R. Crouch

发表

Identification of degradants of a complex alkaloid using NMR cryoprobe technology and ACD/structure elucidator

Antony J. Williams, M. Elyashberg, G. Martin, 2002 .

Strategies for the phase editing of relayed responses in 2D HMQC‐TOCSY spectra

T. Spitzer, Gary E Martin, G. Martin, 1992 .

INVERSE-DETECTED TWO-DIMENSIONAL NMR METHODS : APPLICATIONS IN NATURAL PRODUCTS CHEMISTRY

G. Martin, R. Crouch, 1991 .

1D HMQC-tocsy: A selective one-dimensional analogue of HMQ-TOCSY

J. Shockcor, G. Martin, R. Crouch, 1990 .

The utilization of overlapping delays in the 3D HMQC-TOCSY experiment

B. Farmer, T. Spitzer, J. Shockcor, 1992 .

Opioid conformations: The remarkable effect of C‐14 substituents on ring c conformations of 6α and 6β epimers of 6‐substituted epoxymorphinan opioid ligands

R. Crouch, A. Bhatia, O. Lever, 1990 .

Design and synthesis of novel protease inhibitors. Tripeptide α′,β′-epoxyketones as nanomolar inactivators of the proteasome

J. Leban, O. H. Viveros, R. Crouch, 1996 .

Inverse-Detected 2D-NMR Applications in Alkaloid Chemistry

G. Martin, R. Crouch, 1994 .

Design and Synthesis of Novel Protease Inhibitors. Tripeptide α′, β′-Epoxyketones as Nanomolar Inactivators of the Proteasome.

J. Leban, O. H. Viveros, R. Crouch, 1996 .

Reduction of 3'-azido-3'-deoxythymidine (AZT) and AZT nucleotides by thiols. Kinetics and product identification.

R. Crouch, L. St. John-Williams, J. Reardon, 1994, The Journal of biological chemistry.

An iterative linear method for calculation of spin-lattice relaxation times

R. Crouch, S. Hurlbert, A. Ragouzeos, 1982 .

Total assignment of the 1H and 13C NMR spectra of benzo[f][1]benzothieno[2,3-c]quinoline by inverse-detected two-dimensional NMR techniques

J. Shockcor, A. Cherif, G. Martin, 1991 .

Assignment of the Proton and Carbon NMR Spectra of the Indoloquinoline Alkaloid Cryptolepine

G. Martin, R. Crouch, P. Schiff, 1991 .

Imidazo[4,5-c]pyridines (3-deazapurines) and their nucleosides as immunosuppressive and antiinflammatory agents.

R. Crouch, E. Chao, N. Cohn, 1986, Journal of medicinal chemistry.

Imidazo[4,5‐c]pyridines (3‐Deazapurines) and Their Nucleosides as Immunosuppressive and Antiinflammatory Agents.

R. Crouch, E. Chao, N. Cohn, 1986 .

[[(Guaninylalkyl)phosphinico]methyl]phosphonic acids. Multisubstrate analogue inhibitors of human erythrocyte purine nucleoside phosphorylase.

R. Crouch, D. Averett, J. Kelley, 1995, Journal of medicinal chemistry.

Region‐selective inverse‐detected long‐range heteronuclear chemical shift correlation using shaped pulses

T. Spitzer, Gary E Martin, R. Crouch, 1992 .

ACCORD‐HMBC: advantages and disadvantages of static versus accordion excitation

V. Krishnamurthy, Gary E Martin, C. Hadden, 1999 .

Total assignment of the proton and carbon NMR spectra of the alkaloid quindoline — utilization of HMQC-TOCSY to indirectly establish protonated carbon-protonated carbon connectivities

T. Spitzer, G. Martin, R. Crouch, 1991 .

Selective inverse multiple bond analysis. A simple 1D experiment for the measurement of long-range heteronuclear coupling constants

G. Martin, R. Crouch, 1991 .

The isolation and structure determination of cryptomisrine, a novel indolo[3,2‐b]quinoline dimeric alkaloid from cryptolepis sanguinolenta

C. W. Andrews, G. Martin, R. Crouch, 1996 .

Cryptospirolepine, a Unique Spiro-nonacyclic Alkaloid Isolated from Cryptolepis sanguinolenta

T. Spitzer, G. Martin, R. Crouch, 1993 .

Quindolinocryptotackieine: the elucidation of a novel indoloquinoline alkaloid structure through the use of computer‐assisted structure elucidation and 2D NMR

M. Elyashberg, G. Martin, E. R. Martirosian, 2003 .

Submicromole structure elucidation: Cryptolepicarboline—a novel dimeric alkaloid from Cryptolepis sanguinolenta

C. W. Andrews, J. Shockcor, G. Martin, 1995 .

Isolation and elucidation of the structure of homocryptolepinone

C. W. Andrews, G. Martin, R. Crouch, 1995 .

Long‐range 1H‐15N correlation at natural abundance using gradient‐enhanced inverse‐detection

G. Martin, R. Crouch, 1995 .

Elucidation of the structure of quindolinone, a minor alkaloid of cryptolepis sanguinolenta: Submilligram 1H‐13c and 1H‐15N heteronuclear shift correlation experiments using micro inverse‐detection

T. Spitzer, G. Martin, R. Crouch, 1995 .

Isolation and characterization of an ether glucuronide of zidovudine, a major metabolite in monkeys and humans.

R. Crouch, C. Koble, J. L. Rideout, 1990, Drug metabolism and disposition: the biological fate of chemicals.

19 FDetected Dual-optimized Inverted 1 JCC 1,n-ADEQUATE.

M. Reibarkh, Marius Pelmuş, Gary E Martin, 2021, Magnetic resonance in chemistry : MRC.

Long-range 1H-15N heteronuclear shift correlation at natural abundance using gradient-enhanced HMQC

G. Martin, R. Crouch, P. Schiff, 1996 .

Inverted and suppressed direct response HMQC-TOCSY spectra-A convenient method of spectral editing

T. Spitzer, G. Martin, R. Crouch, 1992 .

Development of 19 F-Detected 1,1-ADEQUATE for the Characterization of Poly- and Perfluorinated Compounds.

M. Reibarkh, Marius Pelmuş, G. Martin, 2021, Magnetic resonance in chemistry : MRC.

Applications of cryogenic NMR probe technology to long‐range 1H‐15N 2D NMR studies at natural abundance

Gary E. Martin, Gary E Martin, C. Hadden, 2001 .

15N chemical shifts and long-range 1H-15N coupling pathways of selected strychnos alkaloids

C. W. Andrews, G. Martin, R. Crouch, 1995 .

Pure absorption phase gradient‐enhanced HMQC‐TOCSY with direct response editing

Gary E Martin, R. Crouch, A. O. Davis, 1995 .

Comparative evaluation of conventional 5 mm inverse and micro inverse detection probes at 500 MHz

Gary E Martin, R. Crouch, 1992 .

Assignment of the NMR spectra of a potent ribonucleotide reductase inactivator-utilization of HMQC-TOCSY to establish connectivities in exchange broadened spectra

T. Blumenkopf, G. Martin, R. Crouch, 1992 .

Brevetoxin-3: Total assignment of the 1H and 13C NMR spectra at the submicromole level

Daniel G. Baden, Gary E. Martin, D. Baden, 1995 .

Application of high-field NMR and cryogenic probe technologies in the structural elucidation of poecillastrin a, a new antitumor macrolide lactam from the sponge poecillastra species.

L. Pannell, K. Gustafson, M. Boyd, 2002, Organic letters.

MOLECULAR MODELING, NMR SPECTROSCOPY, AND CONFORMATIONAL ANALYSIS OF 3',4'-ANHYDROVINBLASTINE

G. Martin, R. Crouch, C. Andrews, 1995 .

Improvements in the sensitivity of inverse-detected heteronuclear correlation spectra using micro inverse probes and micro cells: HMQC and HMBC spectra of caribbean ciguatoxin — preliminary structural inferences

S. Musser, R. Dickey, G. Martin, 1995 .

Micro Inverse-Detection: A Powerful Technique for Natural Product Structure Elucidation

G. Martin, R. Crouch, 1992 .

The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 11. Synthesis and total assignment of the 1H and 13C NMR spectra of isomeric benzothienonaphthoquinolines using multiple inverse detected two‐dimensional NMR methods

A. Zektzer, J. Shockcor, G. Martin, 1993 .

Gradient submicro inverse detection: rapid acquisition of inverse‐detected heteronuclear chemical shift correlation data on submicromole quantities of material

Gary E Martin, R. Crouch, A. Zens, 1998 .

The Isolation and Structure Determination of Cryptomisrine, a Novel Indolo(3,2-b)quinoline Dimeric Alkaloid from Cryptolepis sanguinolenta.

C. W. Andrews, G. Martin, R. Crouch, 1996 .

Disentangling coupling and NOE pathways involving poorly resolved proton signals: HMQC‐TOCSY and HMQC‐NOESY

Gary E Martin, R. Crouch, S. Daluge, 1990 .

Disentangling proton connectivity networks in highly overlapped 1H-NMR spectra of polynuclear aromatics using 1D-HOHAHA

J. Shockcor, A. Cherif, G. Martin, 1990 .

The confromational behaviour of the cardiac glycoside digoxin as indicated by NMR spectroscopy and molecular dynamics calculations

B. Hudson, J. Lindon, R. Farrant, 1992 .

Total assignment of the proton and carbon NMR spectra of 5'-NOR-anhydrovinblastine

T. Spitzer, G. Martin, R. Crouch, 1992 .

LONG-RANGE 1H-15N COUPLINGS AND 15N CHEMICAL SHIFT ASSIGNMENTS OF THE BIS-INDOLE ANTICANCER DRUG NAVELBINE

G. Martin, R. Crouch, 1995 .

Structure elucidation and spectral assignment of analogs of navelbine® (8′‐noranhydrovinblastine)

T. Spitzer, J. Shockcor, G. Martin, 1995 .