Microwave-Assisted Rate-Enhanced Method for the Synthesis of 2, 2-Dimethyl-2H-chromenes.

K Subburaj, GK Trivedi

Index: Subburaj, Kandasamy; Trivedi, Girish K. Bulletin of the Chemical Society of Japan, 1999 , vol. 72, # 2 p. 259 - 263

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Citation Number: 19

Abstract

260 Bull. Chem. Soc. Jpn., 72, No. 2 (1999) CHO + H. Pyridine Microwave irradiation 25 min Microwave-Assisted Synthesis of 2,2-Dimethyl-2H-chromenes OHC CHO CHO Pyridine Microwave irradiation 25 min 13 Pyridine Microwave irradiation 25 min 14 Scheme 2. Synthesis of 2H-chromenes. OMe Table 1. Microwave Assisted Cyclization of Substituted Phenols with 3-Methyl-2-butenala) Entry Phenol Thermal condition Microwave condition Time (h) ...