Two routes for preparing Ambrox(R) (1) from the methyl esters of trans-communic acid (2b) and/or cis-communic acid (3b), via selective degradation of their side chains, stereoselective formation of the tetrahydrofurane ring, and reduction of the axial methoxycarbonyl group, are described.
CAMBIE, RICHARD C.;CLARK, GEORGE R.;GOETH, MICHELLE E.;RICKARD, CLIFTON E+, AUSTRAL. J. CHEM., 42,(1989) N, C. 497-509
作者:CAMBIE, RICHARD C.、CLARK, GEORGE R.、GOETH, MICHELLE E.、RICKARD, CLIFTON E+
DOI:——
日期:——
Microbial hydroxylation/functionalization of terpenoid synthons derived from communic acids
作者:Gérard Aranda、Robert Azerad、Michèle Maurs、Gildas Bertho、David Jiménez-González、Eduardo Cabrera-Torres、Alejandro F. Barrero
DOI:10.1016/s0031-9422(00)00032-7
日期:2000.5
Incubation of a communic acid-derived synthon with Cunninghamella elegans quantitatively affords 1 beta-, 3 beta- and 7 beta-monohydroxylated derivatives. (C) 2000 Elsevier Science Ltd. All rights reserved.