Tetrahedron letters

Transition state stucture and frontier orbital influence on the cycloaddition reactions of 2, 5-dimethyl-3, 4-dimethylenethiophene with styrenes and benzaldehydes

KW Haider, JA Clites, JA Berson

文献索引：Haider; Clites; Berson Tetrahedron Letters, 1991 , vol. 32, # 39 p. 5305 - 5308

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被引用次数: 11

摘要

Abstract The biradical 2, 5-dimethyl-3, 4-dimethylenethiophene reacts with styrenes and benzaldehydes to give fused cycloadducts. The effect of substituents on the efficiency of the benzaldehyde trapping reaction resembles that of normal electron-demand Diels-Alder