The Journal of Organic Chemistry

Heterocyclic o-quinodimethanes in synthesis: a Diels-Alder approach to xanthene-derived heterocycles

MN Greco, CR Rasmussen

Index: Greco, Michael N.; Rasmussen, C. Royce Journal of Organic Chemistry, 1992 , vol. 57, # 20 p. 5532 - 5535

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Citation Number: 8

Abstract

1 1 12, further underscoring the propensity for the newly formed ring to aromatize. Since the cycloaddition proceee between 2 and dimethyl fumarate gave complex mixtures using NaI, powdered zinc was used to generate 1: resulting in a mixture of adducts, 13a and 13b (ca. 1.51. 0). An

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