ChemInform Abstract: A Novel and Practical Synthesis of 3-Unsubstituted Indolizines.
Abstract
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ChemInform Abstract
A new and general procedure for the preparation of 3-unsubstituted indolizines (III) by 1,3-dipolar cycloaddition is developed. In the presence of MnO2 electron-deficient alkenes (II) serve as dipolarophiles yielding the cycloadducts in moderate to high yields.