A stannous chloride-induced deacetalisation–cyclisation process to prepare the ABC ring system of 'upenamide
摘要:
A stannous chloride-induced deacetalisation-cyclisation approach to the ABC core of the macrocyclic alkaloid, 'upenamide is reported. The use of a substituted beta-lactone to prepare a C-2 substituted 'upenamide analogue is also disclosed. (C) 2004 Elsevier Ltd. All rights reserved.
Tin(II) chloride dihydrate-mediated deacetalisation- bicyclisation procedures for the construction of novel polycyclic heterocycles from amides possessing a pendant acetal group are re- ported. Optimisation and scoping studies are described; using this methodology, a range of known, and novel, ring-fused heterocyclic systems have been prepared, some in enantiomerically pure form.
A stannous chloride-induced deacetalisation–cyclisation process to prepare the ABC ring system of 'upenamide
作者:Mark Reid、Richard J.K. Taylor
DOI:10.1016/j.tetlet.2004.03.119
日期:2004.5
A stannous chloride-induced deacetalisation-cyclisation approach to the ABC core of the macrocyclic alkaloid, 'upenamide is reported. The use of a substituted beta-lactone to prepare a C-2 substituted 'upenamide analogue is also disclosed. (C) 2004 Elsevier Ltd. All rights reserved.