Highly enantioselective synthesis of long chain alkyl trifluoromethyl carbinols and β-thiotrifluoromethyl carbinols through lipases
摘要:
Among a variety of lipases tested, Candida antarctica lipase has been found to promote the enantioselective acylation of long chain alkyl trifluoromethyl carbinols 1a-4a and beta-thiotrifluoromethyl carbinols 5a-7a, producing both R and S enantiomeric alcohols in good to excellent chemical yield and enantioselectivity. In all cases the lipase preferentially acylates the S enantiomer, irrespective the presence or not of a sulfur atom in beta position to the hydroxyl group, When the reaction was carried out on the non-fluorinated substrates 1c-2c, the process occurred much faster and with higher e.e. of the less reacting enantiomer than when conducted on the fluorinated substrates. Copyright (C) 1996 Elsevier Science Ltd
Oxidation of fluoroalkyl-substituted carbinols by the Dess-Martin reagent
作者:Russell J. Linderman、David M. Graves
DOI:10.1021/jo00264a029
日期:1989.2
Unique inhibition of a serine esterase
作者:Russell J. Linderman、David M. Graves、Sudha Garg、Krishnappa Venkatesh、Douglas D. Anspaugh、R.Michael Roe
DOI:10.1016/s0040-4039(00)73668-9
日期:1993.5
The inhibition of insect juvenile hormone esterase by 3-octylthio-1,1,1-trifluoropropan-2-ol (K(i) = 9.5 x 10(-10)M) indicates that serine esterases may be unique from serine proteases.
LINDERMAN, RUSSELL J.;GRAVES, DAVID M., J. ORG. CHEM., 54,(1989) N, C. 661-668
作者:LINDERMAN, RUSSELL J.、GRAVES, DAVID M.
DOI:——
日期:——
LINDERMAN, RUSSELL J.;GRAVES, DAVID M., TETRAHEDRON LETT., 28,(1987) N 37, 4259-4262