Cycloadditions of chiral anthracenes: effect of the trifluoromethyl group
摘要:
Chiral anthracene template, 10-methyl-9-(1-methoxy-2,2,2-trifluoroethyl)anthracene undergoes highly diastereoselective cycloadditions with maleic anhydride and 5-acetoxy-2(5H)-furanone. Subsequent regioselective and stereoselective manipulations demonstrate the synthetic utility in conversions to enantioenriched butenolides, and elucidate the origin of diastereoselection. (C) 2003 Elsevier Science Ltd. All rights reserved.
Cycloadditions of chiral anthracenes: effect of the trifluoromethyl group
作者:Matthew S. Corbett、Xiang Liu、Amitav Sanyal、John K. Snyder
DOI:10.1016/s0040-4039(02)02766-1
日期:2003.1
Chiral anthracene template, 10-methyl-9-(1-methoxy-2,2,2-trifluoroethyl)anthracene undergoes highly diastereoselective cycloadditions with maleic anhydride and 5-acetoxy-2(5H)-furanone. Subsequent regioselective and stereoselective manipulations demonstrate the synthetic utility in conversions to enantioenriched butenolides, and elucidate the origin of diastereoselection. (C) 2003 Elsevier Science Ltd. All rights reserved.
Stereoselective Diels−Alder Reactions of Chiral Anthracenes
作者:Amitav Sanyal、John K. Snyder
DOI:10.1021/ol006206m
日期:2000.8.1
Various chiral (9-anthryl)carbinol templates undergo Diels-Alder cycloadditions with a variety of symmetric and nonsymmetric dienophiles with excellent pi-facial selectivity and regioselectivity, under both thermal and Lewisacidcatalyzedconditions.