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Your search keyword '"K, Muranaka"' showing total 4 results
Start Over Author "K, Muranaka" Publisher wiley
4 results on '"K, Muranaka"'

1. ChemInform Abstract: LACTONIZATION OF Γ-HALO ESTERS WITH SILICA GEL CATALYST

Author

Katsuhiko Seko, Hiroshi Fujita, Akira Takeda, K. Muranaka, and Sadao Tsuboi

Subjects
chemistry.chemical_compound, Chemistry, Silica gel, Polymer chemistry, Stereoselectivity, General Medicine, Halo, Catalysis
Abstract

A facile synthesis of γ-butyrolactones by the lactonization of γ-halo esters with silica gel catalyst and its application to the stereoselective synthesis of (±)-canadensolide are described.

Published
1983
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2. ChemInform Abstract: Highly Stereo- and Regioselective Alkylation of Alkylidenemalonates. Its Application to the Synthesis of (.+-.)-Canadensolide

Author

Akira Takeda, Sadao Tsuboi, K. Muranaka, and Takashi Sakai

Subjects
Chemistry, Canadensolide, Regioselectivity, Organic chemistry, General Medicine, Alkylation
Abstract

Obtention des (alcene-1'yl alkyl) malonates par alkylation avec des composes halogenes en presence de diisopropylamidure de lithium dans THF-HMPT

Published
1987
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3. ChemInform Abstract: A New Method for the Synthesis of 3,5-Disubstituted 2(5H)-Furanones. Synthesis of (.+-.)-Acarenoic Acid

Author

Hiroshi Wada, K. Muranaka, Sadao Tsuboi, and Akira Takeda

Subjects
Chemistry, Yield (chemistry), Organic chemistry, Total synthesis, General Medicine
Abstract

Heating of 3,5-disubstituted 4-bromo-3-methoxycarbonyldihydro-2(3H)-furanones with NaI in 3-pentanone gave 3,5-disubstituted 2(5H)-furanones in 55.8–93.3% isolated yields. A total synthesis of (±)-acarenoic acid was established in 33% overall yield via 4 steps.

Published
1987
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