Synthesis of 2-Methyl-9-oxo-9 H-furo [2, 3-c] benzopyrans and 2-Methyl-3 H, 4 H [1] benzopyrano [3, 4-b] pyrrol-4-ones

R Ram, S Krupadanam…

Index: Synthetic Communications, , vol. 28, # 13 p. 2421 - 2428

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Citation Number: 4

Abstract

Page 1. SYNTHETIC COMMUNICATIONS, 28(13), 2421-2428 (1998) ... Many substituted natural coumarins are biologwally active and development of new synthetic methodologies for coumarins and fused-ring ... (30), 209(28). Anal.: calc. ...