H. Chikashita

发表

Synthesis of acryloyl-type polymer fixing 5-fluorouracil residues through D-glucofuranoses and its antitumor activity

T. Ouchi, O. Vogl, H. Fujie, 1986 .

1,3-Dimethyl-2-phenylbenzimidazoline as a novel and efficient reagent for mild reductive dehalogenation of .alpha.-halo carbonyl compounds and acid chlorides

H. Chikashita, K. Itoh, H. Ide, 1986 .

Synthesis of 1,5-Bifunctionalized Optically Active 3-Pentanol as a Reversible Chiral Building Block. Asymmetric Reduction of 4-(1,3-Dithian-2-yl)-3-oxobutanoates with Fermenting Bakers’ Yeast

H. Chikashita, K. Itoh, K. Ohkawa, 1989 .

Synthetic Application of Benzothiazole Ring System as an On-Off Type of Leaving Group. Synthesis of Ketones and Carboxylic Acid Derivatives from 2-(1-Substituted 1-Hydroxyalkyl)- and 2-(1-Hydroxyalkyl)benzothiazoles

M. Ishihara, H. Chikashita, Katsumi Takigawa, 1991 .

Transformation of Aromatic Nitroalkanes into Carbonyl Compounds by the Improved Nef Reaction

Y. Morita, H. Chikashita, K. Itoh, 1987 .

2-Phenylbenzothiazoline as a Reducing Agent in the Conjugate Reduction of α,β-Unsaturated Carbonyl Compounds.

M. Miyazaki, H. Chikashita, K. Itoh, 1984 .

Nonacidic and highly chemoselective protection of the carbonyl function. 3-Methylbenzothiazolines as a base- and acid-resistant protected form for the carbonyl groups.

H. Chikashita, K. Itoh, Koji Inoue, 1989 .

General reactivity of 2-lithiobenzothiazole to various electrophiles and the use as a formyl anion equivalent in the synthesis of α-hydroxy carbonyl compounds

H. Chikashita, K. Itoh, Megumi Ishibaba, 1988 .

General method for an aldol-type reaction of 2-methylbenzothiazole with carbonyl compounds

S. Ikegami, Takeshi Okumura, H. Chikashita, 1986 .

Lewis acid-promoted cross aldol reaction of aldehydes with ketones utilizing 3-methyl-2-phenyl-2-(2-oxoalkyl)benzothiazolines as an enolate-transferring reagent.

Seiji Yamada, H. Chikashita, K. Itoh, 1990 .

The Cyclodehydration Route to the Asymmetric Total Synthesis of the Marine Natural Product Isolated from the Brown Alga, Notheia Anomala

H. Chikashita, K. Itoh, Yusuke Nakamura, 1993 .

In Situ Generation and Synthetic Application of 2-Phenylbenzimidazoline to the Selective Reduction of Carbon–Carbon Double Bonds of Electron-Deficient Olefins

M. Miyazaki, Y. Morita, H. Chikashita, 1987 .

AlCl3-Promoted Conjugate Reduction of α,β Unsaturated Carbonyl Compounds with 1,3-Dimethyl-2-phenylbenzimidazoline

H. Chikashita, K. Itoh, 1986 .

An Efficient Method for the Selective Reduction of 2-Aryl-1-Nitroalkenes to 2-Aryl-1-Nitroalkanes by 2-Phenylbenzimidazoline

Y. Morita, H. Chikashita, K. Itoh, 1985 .

Stereocontrolled 1,4-Asymmetric Reduction of Cyclic Hemiketals. Synthesis of Both anti-and syn-1,4-Diols, and Their Transformations into trans-and cis-2,5-Disubstituted Tetrahydrofurans

T. Fukushima, H. Chikashita, K. Itoh, 1992 .

A New Stereocontrolled Route to trans-2,5-Disubstituted Tetrahydrofurans.

H. Chikashita, H. Yasuda, K. Itoh, 1992 .

Highly Diastereoselective Addition of Methyllithium to Chiral α,β-Dialkoxy Ketones and Its Application to the Stereocontrolled Asymmetric Synthesis of Highly Substituted Tetrahydrofurans

H. Chikashita, K. Itoh, Yusuke Nakamura, 1992 .

Lewis acid-promoted conjugate reduction of α,β-unsaturated carbonyl compounds by 2-phenylbenzothiazoline (2-phenyl-2,3-dihydrobenzothiazole)

M. Miyazaki, H. Chikashita, K. Itoh, 1987 .

2-Phenylbenzimidazoline as a Reducing Agent in the Preparation of Malononitriles from α,β-Unsaturated Dinitriles

M. Miyazaki, H. Chikashita, K. Itoh, 1983 .

Synthesis of an acryloyl-type polymer pending D-glucose analog of N-acetylmuramyl-L-alanyl-D-isoglutamine

T. Ouchi, Satoshi Jokei, Y. Sakamoto, 1984 .

Reaction of 2-lithiobenzothiazole with electrophiles and a synthesis of α-hydroxy aldehydes and ketones

H. Chikashita, K. Itoh, 1985 .

Synthesis of Poly=1={3-O-(1=(benzyl-L=alanyl Carboxylate)ethyl]-D-glucos=6-O-carbonyl}-1=methylethylene

T. Ouchi, H. Chikashita, 1983 .

Facile construction of optically active 1,3-diols. Synthesis of (2S,4R)-7-octene-2,4-diol and endo-(1S,3S,5R)- and exo-(1R,3S,5S)-1,3-dimethyl-2,9-dioxabicyclo[3˚.3.1]nonane

H. Chikashita, K. Itoh, Y. Kimura, 1989 .

Stereoselective Synthesis of Trans Isomers of a Volatile Compound Isolated from the Elm Bark Beetle “Pteleobius vittatus” via Stereospecific Cyclodehydration Route

K. Hirao, H. Chikashita, K. Itoh, 1993 .

Facile Construction of Optically Active 1,3-Diols. Synthesis of (2S,4R)-7-Octene-2,4-diol and endo-(1S,3S,5R)- and exo-(1R,3S,5S)-1,3-Dimethyl-2,9-dioxabicyclo(3.3.1)nonane.

H. Chikashita, K. Itoh, Y. Kimura, 1989 .

THE REACTIONS OF BENZYLIDENEMALONONITRILES AND β-NITROSTYRENES WITH O-PHENYLENEDIAMINE INCLUDING THE NEW ORGANIC REDOX REACTIONS BETWEEN THE OLEFINS AND 2-PHENYLBENZIMIDAZOLINES

H. Chikashita, K. Itoh, H. Ishida, 1983 .

Stereochemical Studies of Chiral Nonconjugated Carbanions. Asymmetric Alkylation of Aldehydes with Sulfur-Substituted Carbanions of Chiral α-(1,3-Dithian-2-yl) Acetals

H. Chikashita, K. Itoh, T. Yuasa, 1992 .

Stereoselective syn-reduction of (R)-4-acyl-2,2-dimethyl-1,3-dioxolanes with metal hydride reagents.

H. Chikashita, K. Itoh, H. Uemura, 1989 .

Iterative and Stereoselective One-Carbon Homologation of 1,2-O-Cyclohexylidene-D-Glyceraldehyde to Aldose Derivatives by Employing 2-Lithio-1,3-Dithiane as a Formyl Anion Equivalent

H. Chikashita, K. Itoh, Toshiki Nikaya, 1993 .

The synthesis of N-[2-(D-glucos-3-O-yl)propionyl]-l-alanine and N-[(d-glucos-3-O-yl)acetyl]-l-alanine

T. Ouchi, H. Chikashita, 1982 .