W. Okamura

发表

Vitamin D: concerning the relationship between molecular topology and biological function.

A. Norman, W. Okamura, R. M. Wing, 1974, Proceedings of the National Academy of Sciences of the United States of America.

Structure-function relationships in the vitamin D endocrine system.

R. Bouillon, A. Norman, R Bouillon, 1995, Endocrine reviews.

1α,25‐Dihydroxy‐3‐epi‐vitamin D3: In vivo metabolite of 1α,25‐dihydroxyvitamin D3 in rats

M. Uskoković, P. Vouros, W. Okamura, 1999 .

Molecular tools for study of genomic and rapid signal transduction responses initiated by 1α,25(OH)2-vitamin D3

A. Norman, W. Okamura, H. Ishida, 2002, Steroids.

Effect of 25-hydroxyl group orientation on biological activity and binding to the 1α,25-dihydroxy vitamin D3 receptor

A. Norman, W. Okamura, C. Bula, 2005, The Journal of Steroid Biochemistry and Molecular Biology.

Ligand structure-function relationships in the vitamin D endocrine system from the perspective of drug development (including cancer treatment).

A. Norman, W. Okamura, Mathew T. Mizwicki, 2003, Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer.

Conformationally restricted mimics of vitamin D rotamers

A. Norman, W. Okamura, Thong Vu, 2001, Steroids.

Ligands for the vitamin D endocrine system: different shapes function as agonists and antagonists for genomic and rapid response receptors or as a ligand for the plasma vitamin D binding protein

A. Norman, W. Okamura, S. Ishizuka, 2001, The Journal of Steroid Biochemistry and Molecular Biology.

Comparison of 6-s-cis- and 6-s-trans-locked analogs of 1alpha,25-dihydroxyvitamin D3 indicates that the 6-s-cis conformation is preferred for rapid nongenomic biological responses and that neither 6-s-cis- nor 6-s-trans-locked analogs are preferred for genomic biological responses.

R. Bouillon, A. Norman, M. Farach-Carson, 1997, Molecular endocrinology.

Three‐dimensional model of the ligand binding domain of the nuclear receptor for 1α,25‐dihydroxy‐vitamin D3

R. Fletterick, A. Norman, W. Okamura, 1999 .

Oxidative cycloaddition of metal dithiolenes to olefins. Synthesis and characterization of norbornadiene-bis-cis-(1,2-perfluoromethylethene-1,2-dithiolato)nickel

W. Okamura, R. M. Wing, G. Tustin, 1970 .

Production of 1alpha,25-dihydroxy-3-epi-vitamin D3 in two rat osteosarcoma cell lines (UMR 106 and ROS 17/2.8): existence of the C-3 epimerization pathway in ROS 17/2.8 cells in which the C-24 oxidation pathway is not expressed.

M. Uskoković, A. Norman, P. Vouros, 1999, Bone.

1Alpha,25-dihydroxy-3-epi-vitamin D3, a natural metabolite of 1alpha,25-dihydroxyvitamin D3, is a potent suppressor of parathyroid hormone secretion.

E. Slatopolsky, W. Okamura, C. Ritter, 1999, Journal of cellular biochemistry.

Metabolism of 1α,25-dihydroxyvitamin D3 and its C-3 epimer 1α,25-dihydroxy-3-epi-vitamin D3 in neonatal human keratinocytes

W. Okamura, K. Tserng, G. Reddy, 2001, Steroids.

1α,25‐Dihydroxyvitamin D3 modulates human adipocyte metabolism via nongenomic action

M. Zemel, A. Norman, W. Okamura, 2001, FASEB journal : official publication of the Federation of American Societies for Experimental Biology.

1α,25‐dihydroxyvitamin D3 inhibits uncoupling protein 2 expression in human adipocytes

M. Zemel, Hang Shi, A. Norman, 2002, FASEB journal : official publication of the Federation of American Societies for Experimental Biology.

23,25-Dihydroxy-24-oxovitamin D3: a metabolite of vitamin D3 made in the kidney.

A. Norman, R. Chandraratna, W. Okamura, 1983, Biochemistry.

Vitamin D: 3-deoxy-lalpha-hydroxyvitamin D3, biologically active analog of lalpha-dihydroxyvitamin D3.

A. Norman, W. Okamura, R. M. Wing, 1975, Science.

The mass spectra of suprasterol3-II, vitamin D3 and related molecules

H. Jacobs, W. Okamura, J. V. Thuijl, 1976 .

STRUCTURE-FUNCTION STUDIES OF THE INTERACTION OF THE HORMONALLY ACTIVE FORM OF VITAMIN D3, 1α,25-DIHYDROXY-VITAMIN D3, WITH THE INTESTINE

A. Norman, W. Okamura, R. M. Wing, 1976 .

Studies on the mode of action of calciferol. X. 24-Nor-25-hydroxyvitamin D3, an analog of 25-hydroxyvitamin D3 having "anti-vitamin" activity.

A. Norman, W. Okamura, R. Johnson, 1975, Biochemical and biophysical research communications.

Structure-function studies of the interaction of the hormonally active form of vitamin D3, 1alpha, 25-dihydroxy-vitamin D3, with the intestine.

A. Norman, W. Okamura, R. M. Wing, 1975, Journal of steroid biochemistry.

Studies on the Metabolism, Mode of Action and Pharmacology of Vitamin D and Related Analogs

A. Norman, W. Okamura, R. Johnson, 1975 .

Vitamin D: Structure‐function analyses and the design of analogs

J. Palenzuela, W. Okamura, J. Plumet, 1992, Journal of cellular biochemistry.

Synthesis of 3-deoxy-1α,25-dihydroxy-9,11-dehydrovitamin D3: Selective formation of 6β-vitamin D vinylallenes and their thermal [1,5]-sigmatropic hydrogen shift☆

R. Gibbs, W. Okamura, 1987 .

Demonstration that 1 beta,25-dihydroxyvitamin D3 is an antagonist of the nongenomic but not genomic biological responses and biological profile of the three A-ring diastereomers of 1 alpha,25-dihydroxyvitamin D3.

R. Bouillon, A. Norman, M. Farach-Carson, 1993, The Journal of biological chemistry.

THE CHEMISTRY AND CONFORMATIONAL AND BIOLOGICAL ANALYSIS OF VITAMIN D3, ITS METABOLITES AND ANALOGUES

A. Norman, W. Okamura, R. M. Wing, 1976, Clinical endocrinology.

Differing shapes of 1α,25-dihydroxyvitamin D3 function as ligands for the D-binding protein, nuclear receptor and membrane receptor: A status report

S. Zanello, R. Bouillon, A. Norman, 1996, The Journal of Steroid Biochemistry and Molecular Biology.

1β, 25(OH)2-vitamin D3 is an antagonist of 1α,25(OH)2-vitamin D3 stimulated transcaltachia (The rapid hormonal stimulation of intestinal calcium transport)

A. Norman, I. Nemere, W. Okamura, 1992 .

Nonnuclear effects of the steroid hormone 1 alpha,25(OH)2-vitamin D3: analogs are able to functionally differentiate between nuclear and membrane receptors.

A. Norman, I. Nemere, W. Okamura, 1994, Biochemical and biophysical research communications.

Structure-function studies of 1,25-dihydroxyvitamin D3 and the vitamin D endocrine system. 1,25-dihydroxy-pentadeuterio-previtamin D3 (as a 6-s-cis analog) stimulates nongenomic but not genomic biological responses.

R. Bouillon, A. Norman, M. Farach-Carson, 1993, The Journal of biological chemistry.

Vitamin D (calciferol) and its analogs. 40. 1.alpha.,25-Dihydroxyprevitamin D3: synthesis of the 9,14,19,19,19-pentadeuterio derivative and a kinetic study of its [1,7]-sigmatropic shift to 1.alpha.,25-dihydroxyvitamin D3

M. Curtin, W. Okamura, 1991 .

Studies on vitamin D (calciferol) and its analogs. 37. A-Homo-11-hydroxy-3-deoxy vitamin D: ring size and .pi.-facial selectivity effects on the [1,7]-sigmatropic hydrogen shift of previtamin D to vitamin D

J. Palenzuela, W. Okamura, J. Enas, 1991 .

Studies of vitamin D (calciferol) and its analogs. 36. Hydroxyl-directing effects on [1,7]-sigmatropic hydrogen migrations

W. Okamura, K. Wu, 1990 .

Studies of vitamin D (calciferol) and its analogs. 30. Thermal [1,7]-sigmatropic hydrogen shifts: stereochemistry, kinetics, isotope effects and .pi.-facial selectivity

W. Okamura, C. Hoeger, A. Johnston, 1987 .

Rapid and genomic biological responses are mediated by different shapes of the agonist steroid hormone, 1α,25(oh)2vitamin d3

W. Okamura, C. Bula, L. Zanello, 1999, Steroids.

Stimulation of Phosphorylation of Mitogen-Activated Protein Kinase by 1α,25-Dihydroxyvitamin D3 in Promyelocytic NB4 Leukemia Cells: A Structure-Function Study.

A. Norman, W. Okamura, J. Bishop, 1998, Endocrinology.

Identification of a specific binding protein for 1 alpha,25-dihydroxyvitamin D3 in basal-lateral membranes of chick intestinal epithelium and relationship to transcaltachia.

A. Norman, I. Nemere, W. Okamura, 1994, The Journal of biological chemistry.

7,8-Cis Geometric Isomers of the Steroid Hormone 1.alpha.,25-Dihydroxyvitamin D3

A. Norman, W. Okamura, E. M. VanAlstyne, 1994 .

Studies of vitamin D (calciferol) and its analogs. 45. Studies on the A-ring diastereomers of 1.alpha.,25-dihydroxyvitamin D3

A. Lera, A. Norman, W. Okamura, 1993 .

Studies on vitamin D and its analogs. VIII. Solution conformations of vitamin D3 and 1 alpha, 25-dihydroxyvitamin D3 by high-resolution proton magnetic resonance spectroscopy.

A. Norman, W. Okamura, R. M. Wing, 1975, Journal of the American Chemical Society.

Vitamin D in Solution: Conformations of Vitamin D3, α,25-Dihydroxyvitamin D3, and Dihydrotachysterol3

S. Sine, A. Norman, W. Okamura, 1974, Science.

Studies on vitamin D and its analogs. VIII. 3-deoxy-1α,25-dihydroxyvitamin D3, a potent new analog of 1α,25-(OH)2-D3

A. Norman, W. Okamura, M. N. Mitra, 1975 .

An enantioselective central-axial-central chiral element transfer process leading to a concise synthesis of (+)-sterpurene: Intramolecular Diels-Alder reactions of vinylallene sulfoxides

R. Gibbs, W. Okamura, K. Bartels, 1989 .

Characterization of a novel analogue of 1alpha,25(OH)(2)-vitamin D(3) with two side chains: interaction with its nuclear receptor and cellular actions.

H. Koeffler, M. Uskoković, J. Hisatake, 2000, Journal of medicinal chemistry.

Effect of C2O stereochemistry on the conformational profile of the side chains of vitamin D analogs.

W. Okamura, J. Plumet, M. Midland, 1993 .

Synthesis of Vitamin D (Calciferol)

W. Okamura, G. Zhu, 1995 .

14-epi stereoisomers of 25-hydroxy- and 1 alpha,25-dihydroxyvitamin D3: synthesis, isomerization to previtamins, and biological studies.

A. Norman, W. Okamura, W. G. Trankle, 1994, Journal of medicinal chemistry.

Synthesis of Vitamin D (Calciferol)

W. Okamura, G. Zhu, 1995 .

Studies of vitamin D (calciferol) and its analogs. 39. Arocalciferols: synthesis and biological evaluation of aromatic side-chain analogs of 1.alpha.,25-dihydroxyvitamin D3

H. Koeffler, A. Norman, Jian-yuan Zhou, 1991 .

Studies on the mode of action of calciferol-XXXV. Comparison of the biochemical properties and ligand specificities of receptors and antibodies for 1,25-dihydroxyvitamin D3.

A. Norman, S. Kadowaki, W. Okamura, 1981, Journal of steroid biochemistry.

Biochemical properties of A-homovitamin D derivatives: 1,4-dihydroxy-3-deoxy-A-homo-19-nor-9, 10-secocholesta-5,7-dienes.

A. Norman, J. Gerdes, W. Okamura, 1981, Archives of biochemistry and biophysics.

Comparison of effects of 1 alpha-hydroxy-vitamin D3 and 1,25-dihydroxy-vitamin D3 in man.

S. Massry, A. Norman, A. Brickman, 1976, The Journal of clinical investigation.

Synthesis and NMR Studies of 13C-Labeled Vitamin D Metabolites1

L. J. Mueller, A. Norman, D. Borchardt, 2002 .

Biochemical Significance of the 6‐s‐cis Conformation of the Steroid Hormone lα,25‐Dihydroxyvitamin D3 Based on the Provitamin D Skeleton a

A. Norman, I. Nemere, W. Okamura, 1995, Annals of the New York Academy of Sciences.

Inhibitors of 25-hydroxyvitamin D3-1α-hydroxylase: Thiavitamin D analogs and biological evaluation

A. Norman, A. Lee, W. Okamura, 1997, The Journal of Steroid Biochemistry and Molecular Biology.

Isolation and identification of 1,25-dihydroxy-24-oxo-vitamin D3 and 1,23,25-trihydroxy-24-oxo-vitamin D3. New metabolites of vitamin D3 produced by a C-24 oxidation pathway of metabolism for 1,25-dihydroxyvitamin D3 present in intestine and kidney.

A. Norman, R. Chandraratna, W. Okamura, 1983, The Journal of biological chemistry.

Studies on the mode of action of vitamin D--XIV. Quantitative assessment of the structural requirements for the interaction of 1 alpha, 25-dihydroxyvitamin D3 with its chick intestinal mucosa receptor system.

A. Norman, W. Wecksler, W. Okamura, 1978, Journal of steroid biochemistry.

Selective biological response by target organs (intestine, kidney, and bone) to 1,25-dihydroxyvitamin D3 and two analogues.

A. Norman, W. Okamura, J. Bishop, 1993, Cancer research.

Studies of vitamin D (calciferol) and its analogs. 34. Potential inhibitors of vitamin D metabolism: an oxa analog of vitamin D

R. Gibbs, W. Okamura, S. A. Barrack, 1988 .

Chemical synthesis and biological activity of 3-deoxy-1α-hydroxyvitamin D3 an analog of 1α,25-(OH)2-D3, the active form of vitamin D3

A. Norman, W. Okamura, R. M. Wing, 1974 .

Structural requirements for the interaction of 1 alpha, 25-(OH) 2- vitiamin D3 with its chick interestinal receptor system.

A. Norman, W. Okamura, D. Procsal, 1975, The Journal of biological chemistry.

1 , 25-dihydroxyvitamin D 3 inhibits uncoupling protein 2 expression in human adipocytes 1

M. Zemel, Hang Shi, A. Norman, 2002 .

Studies on vitamin d (calciferol) and its analogs. IX. lα-hydroxy-3-epivitamin D3: Its synthesis and conformational analysis.☆☆☆

W. Okamura, M. Pirio, 1975 .

1,3-Cyclohexadiene Formation Reactions

A. Lera, W. Okamura, 1991 .

The thermal reorganization of homoazepine derivatives

W. Okamura, 1969 .

On the antarafacial stereochemistry of the thermal [1,7]-sigmatropic hydrogen shift

W. Okamura, C. Hoeger, 1985 .

Studies on vitamin D (calciferol) and its analogs. 18. The vinylallene approach to the 1-hydroxyvitamin D system. New sigmatropic reactions in the vitamin D series

W. Okamura, A. Mouriño, M. Hammond, 1980 .

6.pi.-Electrocyclization of 1-Azatrienes to 1,2-Dihydropyridines

W. Okamura, D. F. Maynard, 1995 .

A short enantioselective synthesis of (+)-sterpurene: complete intramolecular transfer of central to axial to central chiral elements

R. Gibbs, W. Okamura, 1988 .

Allenyldiene electrocyclization, a stereospecific tandem center-axis-center chirality transfer: synthesis of drimatrienes and related trans-decalins

W. Okamura, W. Reischl, R. Peter, 1985 .

Synthetic and kinetic studies of the intramolecular Diels-Alder reactions of cycloalkenylallenylphosphine oxides

M. Curtin, W. Okamura, 1990 .

Stereospecific reductive desulfurization of vinyl sulfoxides with tert-butyllithium and an internal proton source

W. Okamura, P. Theobald, 1990 .

On the thermal behavior of Schiff bases of retinal and its analogs: 1,2-dihydropyridine formation via six-.pi.-electron electrocyclization of 13-cis isomers

A. Lera, W. Okamura, W. Reischl, 1989 .

Selective cis-trans isomerization of a tetraene via an allene intermediate. Geometric isomerism via an sp2 to sp2 sigmatropic hydrogen shift and kinetic isotope effect studies

J. Palenzuela, W. Okamura, H. Elnagar, 1989 .

Allenyldiene electrocyclization, a stereospecific tandem center-axis-center chirality transfer: synthesis of drimatrienes and related trans-decalins

W. Okamura, W. Reischl, R. Peter, 1985 .

Electrocyclic reactions of 13-cis-retinal Schiff bases

A. Lera, W. Okamura, W. Reischl, 1988 .

2-Methyl-5-tert-butylcyclohexane-1,3-dione and related 2-alkylcyclohexane-1,3-diones from 1,3-dimethoxybenzenes

W. Okamura, A. Mouriño, F. Sardina, 1982 .

Electrocyclization of 1-allenyldienes: novel synthesis of drimatrienes and related trans-decalins

W. Okamura, W. Reischl, 1982 .

Studies on vitamin D (calciferol and its analogs). 22. Synthesis and thermolysis of A-norvinylallenes related to vitamin D

J. Gerdes, W. Okamura, P. Condran, 1981 .

6π‐Electrocyclization of 1‐Azatrienes to 1,2‐Dihydropyridines.

W. Okamura, D. F. Maynard, 2010 .

A Short Enantioselective Synthesis of (+)-Sterpurene: Complete Intramolecular Transfer of Central to Axial to Central Chiral Elements.

R. Gibbs, W. Okamura, 1988 .

On the stereospecific reduction of vinylsulfoxides with thepossibility of deuterium labeling

W. Okamura, P. Theobald, 1987 .

On the Stereochemistry of Organocopper Mediated Conversion of Propargylic Esters to Allenes

W. Okamura, A. Haces, E. M. V. Kruchten, 1985 .

Pericyclic reactions of vinylallenes: from calciferols to retinoids and drimanes

W. Okamura, 1983 .

An 8π Electron Electrocyclization Leading to a 9,19-Methano-Bridged Analogue of 1α,25-Dihydroxyvitamin D3

S. Fernández, W. Okamura, Rena Hayashi, 2002 .

The synthesis of 1,2,3-trichloro- and 2,3-dichlorobicyclo[2.2.1]hept-2-en-7-one. A selective reduction of bridgehead chlorine.

W. Okamura, J. Monthony, C. M. Beechan, 1969 .

Thermal [1,7]-sigmatropic hydrogen shift versus electrocyclization of dienylallene sulfoxides

W. Okamura, H. Elnagar, 1988 .

Studies of vitamin D (calciferol) and its analogs. 42. 3-Deoxy-3-thia-1.alpha.,25-dihydroxyvitamin D3 and its 1.beta.-epimer: synthesis and biological evaluation

A. Norman, A. Lee, W. Okamura, 1992 .

Hydrozirconation-protonation of vitamin D☆

F. Ross, A. Norman, W. Okamura, 1978 .

The 4-azepentalenyl anion

T. J. Katz, W. Okamura, 1967 .

Cycloaddition reactions of bicyclo[6.1.0]nona-2,4,6-triene

W. Okamura, Terry W. Osborn, 1970 .

2,3-Di(phenylsulfinyl)-1,3-butadiene via a double [2,3]-sigmatropic rearrangement of the bis-sulfenate ester of 2-butyne-1,4-diol.

W. Okamura, S. Jeganathan, 1982 .

Configurational stability of allenic anions, use of a vitamin D derived CD fragment as a stereochemical probe and the stereoselective synthesis of precursors

W. Okamura, A. Haces, E. M. V. Kruchten, 1984 .

On the lithium dimethylcuprate induced conversion of propargylic esters into allenes using a steroidal C/D fragment derived from vitamin D3 as a stereochemical probe.

W. Okamura, A. Haces, E. M. V. Kruchten, 1982 .

C11H2 Hydrocarbons—I

W. Okamura, J. Monthony, 1972 .

Sigmatropic rearrangement of vinylallenes: a novel route to the 1-hydroxyvitamin D system

W. Okamura, A. Mouriño, M. Hammond, 1978 .

A short, enantiospecific synthesis of the 1α-hydroxyvitamin D enyne A-ring synthon

W. Okamura, J. Aurrecoechea, 1987 .

Selective Acylation of A-Ring Precursors of Vitamin D Using Enzymes in Organic Solvents

S. Fernández, W. Okamura, V. Gotor, 1995 .

On the thermal sigmatropic rearrangement of allenic retinoids: 12,14-retro-retinol

W. Okamura, J. Sueiras, 1980 .

12-- conformationally locked retinoids: Thermal and photochemical interconversions leading to new geometric isomers

R. Chandraratna, W. Okamura, 1984 .

[1,5]-Sigmatropic rearrangement of vinylallenes: a novel route to geometric isomers of the retinoids possessing 11-cis linkages including 9,11,13-tricis-retinal

W. Okamura, S. Carey, C. Knudsen, 1980 .

Chemistry and Biology of Synthetic Retinoids

M. Dawson, W. Okamura, Marcia I. Dawson, 1990 .

Electronic spectra of 12-- conformationally locked retinals

R. Birge, R. Chandraratna, W. Okamura, 1984 .

Thermal sigmatropic rearrangements of vinylallenes leading to 11-cis-retinoids and the novel properties of 9-cis,11-cis,13-cis-retinal and 11-cis,13-cis-retinal

R. Birge, T. Cooper, R. Chandraratna, 1983 .

Extreme twisting of the retinoid side-chain: 11-tert-butyl retinoids by catalyzed isomerization of β-allenic retinals

Thea C. Norman, A. Lera, W. Okamura, 1988 .

12‐S‐cis Conformationally Locked Retinoids: Thermal and Photochemical Interconversions Leading to New Geometric Isomers. Electronic Spectra of 12‐S‐cis Conformationally Locked Retinals.

R. Birge, R. Chandraratna, W. Okamura, 1984 .

The 12-s-cis conformationally locked 11-cis-retinoids: a delineation of the thermal requirements for [1,5]-sigmatropic shifts and electrocyclizations in the vitamin A series and novel spectral properties

R. Chandraratna, W. Okamura, Ann L. Bayerque, 1983 .

THE 12-S-CIS-LOCKED RETINOIDS (VITAMIN A): SYNTHESIS AND NOVEL SPECTRAL PROPERTIES

R. Chandraratna, W. Okamura, 1982 .

On the [2,3]-sigmatropic rearrangements of sulfenate esters derived from alkenynols: synthesis of vinylallene and vinylacetylene sulfoxides.

W. Okamura, E. M. V. Kruchten, 1982 .

19,19,19- and 20,20,20-trimethylretinal: Side chain tert-butyl substituted retinals

A. Lera, W. Okamura, 1987 .

Studies of vitamin D (calciferol) and its analogs. 44. Thermal [1,7]-sigmatropic shift of previtamin D3 to vitamin D3: synthesis and study of pentadeuterio derivatives

W. Okamura, M. Ruther, H. Elnagar, 1993 .

On a tandem 1,2-elimination/[1,7]-sigmatropic shift: synthesis of double bond shifted isomers of vitamin A

R. Chandraratna, W. Okamura, W. Reischl, 1985 .

Chemistry and conformation of vitamin D molecules

A. Norman, I. Nemere, W. Okamura, 1995, The Journal of Steroid Biochemistry and Molecular Biology.

Sulfoxide induced acceleration and enhancement of geometric selectivity of a [1,5]-sigmatropic hydrogen shift

W. Okamura, R. Tapia, G. Shen, 1986 .

Update on biological actions of 1α,25(OH)2-vitamin D3 (rapid effects) and 24R,25(OH)2-vitamin D3

A. Norman, W. Okamura, H. Henry, 2002, Molecular and Cellular Endocrinology.

Studies on vitamin D and its analogs. I. Synthesis of 1alpha-hydroxycholest-5-ene.

A. Norman, W. Okamura, M. N. Mitra, 1974, The Journal of organic chemistry.

1 beta, 25 (OH)2-vitamin D3 is an antagonist of 1 alpha,25 (OH)2-vitamin D3 stimulated transcaltachia (the rapid hormonal stimulation of intestinal calcium transport).

A. Norman, I. Nemere, W. Okamura, 1992, Biochemical and biophysical research communications.

Studies on vitamin D (calciferol) and its analogues. 10. Side-chain analogues of 25-hydroxyvitamin D3.

A. Norman, W. Okamura, R. Johnson, 2002, Journal of medicinal chemistry.

1,3,7,9,13,15-Hexadehydro[18]annulene

W. Okamura, F. Sondheimer, 1967 .

Studies on vitamin D (calciferol) and its analogs. 25. Studies on a convergent route to side-chain analogues of vitamin D: 25-hydroxy-23-oxavitamin D3

W. Okamura, H. Toh, 1983 .

Studies of vitamin D (calciferol) and its analogs. 35. Synthesis and biological activity of 9,11-dehydrovitamin D3 analogs: stereoselective preparation of 6.beta.-vitamin D vinylallenes and a concise enynol synthesis for preparing the A-ring

R. Gibbs, A. Norman, W. Okamura, 1989 .

Arocalciferols: synthesis and biological evaluation of aromatic side-chain analogues of 1 alpha,25-dihydroxyvitamin D3(1a).

H. Koeffler, A. Norman, J. Zhou, 1991, Journal of medicinal chemistry.

Phosphinic acids and derivatives. 4. Linear free energy relationships in displacement at phosphinyl phosphorus

W. Okamura, D. A. Tyssee, R. Cook, 1968 .

24-Nor-25-hydroxyvitamin D3. A specific antagonist of vitamin D3 action in the chick.

A. Norman, W. Okamura, R. Johnson, 1979, The Journal of biological chemistry.

Vitamin D (calciferol) and its analogs. 20. Synthesis of 3-deoxy-3,3-dimethyl-1-hydroxyvitamin D3 from vinylallene intermediates and related thermal and configurational studies

A. Norman, W. Okamura, A. Mouriño, 1980 .

Structure-function studies of the side chain of 25-hydroxyvitamin D3.

A. Norman, W. Okamura, R. Johnson, 1979, The Journal of biological chemistry.

Studies on vitamin D (calciferol) and its analogues. 15. 24-Nor-1alpha,25-dihydroxyvitamin D3 and 24-nor-25-hydroxy-5,6-trans-vitamin D3.

A. Norman, W. Wecksler, W. Okamura, 1978, Journal of medicinal chemistry.

Studies on vitamin D (calciferol) and its analogs. 24. Heterocalciferols: novel 3-thia and 3-sulfinyl analogs of 1.alpha.-hydroxyvitamin D3

W. Okamura, A. Haces, 1982 .

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGS. 24. HETEROCALCIFEROLS: NOVEL 3-THIA AND 3-SULFINYL ANALOGS OF 1α-HYDROXYVITAMIN D3

W. Okamura, A. Haces, 1983 .

Metabolism of 1alpha,25-dihydroxyvitamin D(3) and its C-3 epimer 1alpha,25-dihydroxy-3-epi-vitamin D(3) in neonatal human keratinocytes.

W. Okamura, K. Tserng, G. Reddy, 2001, Steroids.

STUDIES ON VITAMIN D AND ITS ANALOGS PART 7, SOLUTION CONFORMATIONS OF VITAMIN D3 AND 1ALPHA,25-DIHYDROXYVITAMIN D3 BY HIGH-RESOLUTION PROTON MAGNETIC RESONANCE SPECTROSCOPY

A. Norman, W. Okamura, R. M. Wing, 1975 .

Studies on vitamin D (calciferol) and its analogs. 14. The 10,19-dihydrovitamins related to vitamin D2 including dihydrotachysterol

W. Okamura, A. Mouriño, 1978 .

Three-dimensional model of the ligand binding domain of the nuclear receptor for 1alpha,25-dihydroxy-vitamin D(3).

R. Fletterick, A. Norman, W. Okamura, 1999, Journal of cellular biochemistry.

Chemistry and design: structural biology of vitamin D action

D. Feldman, W. Okamura, G. Zhu, 1997 .

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGS. 13. 3-DEOXY-3α-METHYL-1α-HYDROXYVITAMIN D3, 3-DEOXY-3α-METHYL-1α,25-DIHYDROXYVITAMIN D3, AND 1α-HYDROXY-3-EPIVITAMIN D3. ANALOGS WITH CONFORMATIONALLY BIASED A RINGS

A. Norman, W. Okamura, A. Mouriño, 1978 .

Studies on vitamin D (calciferol) and its analogues. 13. 3-Deoxy-3alpha-methyl-1alpha-hydroxyvitamin D3, 3-deoxy-3alpha-methyl-1alpha,25-dihydroxyvitamin D3, and 1alpha-hydroxy-3-epivitamin D3. Analogues with conformationally biased a rings.

A. Norman, W. Okamura, A. Mouriño, 1978, The Journal of organic chemistry.

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGS. 12. STRUCTURAL AND SYNTHETIC STUDIES OF 5,6-TRANS-VITAMIN D3 AND THE STEREOISOMERS OF 10,19-DIHYDROVITAMIN D3 INCLUDING DIHYDROTACHYSTEROL3

A. Norman, W. Okamura, R. M. Wing, 1977 .

Studies on vitamin D (calciferol) and its analogues. 12. Structural and synthetic studies of 5,6-trans-vitamin D3 and the stereoisomers of 10,19-dihydrovitamin D3 including dihydrotachysterol3.

A. Norman, W. Okamura, R. M. Wing, 1977, The Journal of organic chemistry.

Studies on vitamin D (calciferol) and its analogs. 23. Effect of 3-methyl substituents on the thermal [1,5]- and [1,7]-sigmatropic hydrogen shifts of vinylallenes and other seco steroids related to vitamin D: synthesis of 3-methyl- and 3,3-dimethyl-substituted analogs of 3-deoxy-1.alpha.,25-dihydrox

W. Okamura, G. A. Leyes, 1982 .

Inhibitors of 25-Hydroxyvitamin D3-1α-Hydroxylase: A-Ring Oxa Analogs of 25-Hydroxyvitamin D31

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