Issue 15, 1995

Biosynthesis of (+)-cubenene and (+)-epicubenol by cell-free extracts of cultured cells of Heteroscyphus planus and cyclization of [2H]farnesyl diphosphates

Abstract

The absolute stereochemistry of cubenene and epicubenol from cultured cells of Heteroscyphus planus was determined as both (+)-isomers by 1H and 13C NMR spectroscopy, GLC using a chiral capillary column, and optical rotations. Incubation of two geometrical isomers of deuteriated farnesyl diphosphate (FPP) with a cell-free extract from cultured cells indicated that both compounds were specifically formed from (2E,6E)-FPP. Gas–liquid chromatography–mass spectrometry (GLC–MS) and 2H NMR analyses of (+)-cubenene and (+)-epicubenol generated from [1,1-2H2]- and [6-2H]-FPP confirmed the presence of 1,2- and 1,3-hydride shifts in their formation.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1995, 1935-1939

Biosynthesis of (+)-cubenene and (+)-epicubenol by cell-free extracts of cultured cells of Heteroscyphus planus and cyclization of [2H]farnesyl diphosphates

K. Nabeta, K. Kigure, M. Fujita, T. Nagoya, T. Ishikawa, H. Okuyama and T. Takasawa, J. Chem. Soc., Perkin Trans. 1, 1995, 1935 DOI: 10.1039/P19950001935

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