3-O-Acyl triggered tandem Lewis acid catalyzed intramolecular cyclization of diacetone glucose derivatives to 5-O-acyl-3,6-anhydro-d-glucose
摘要:
BF(3) mediated one-pot conversion of 3-O-acyl-D-glucose-1,2:5,6-diacetonide derivatives to 5-O-acyl-3,6-anhydro-D-glucose is described through a tandem selective intramolecular cyclization sequence. (C) 2011 Elsevier Ltd. All rights reserved.
Radical cation reactions associated with the thiocarbonyl group
作者:Derek H.R. Barton、Peter I. Dalko、Stephan D. Géro
DOI:10.1016/s0040-4039(00)74167-0
日期:1992.3
The radicalcationreactions of different thiocarbonyl compounds were examined. Compounds 7, 8, 11, 14 and 18 underwent a radicalcation fragmentation in a photoinduced electron transfer (PET) reaction, in the presence of tris(4-bromophenyl)aminium hexachloroantimonate.