Regiocontrolled [3+2] quinone-nitrile oxide entry to type II polyketide building blocks
摘要:
Bromine substituents on naphthoquinones effectively activate and orient the [3+2] dipolar cycloaddition reaction with nitrile oxides to generate regiodefined type II polyketide building blocks. (C) 2003 Elsevier Ltd. All rights reserved.