Chemical and Pharmaceutical Bulletin

Thermal Cyclization of Nonconjugated Aryl-Yne-Carbodiimide Furnishing a Dibenzonaphthyridine Derivative

H Kimura, K Torikai, I Ueda

Index: Kubota; Horie; Misra; Toyooka; Uda; Shibuya; Terada Chemical and Pharmaceutical Bulletin, 1985 , vol. 33, # 2 p. 662 - 666

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Citation Number: 5

Abstract

... In addition, the Sonogashira–Hagihara reaction in triethylamine (instead of THF) in the presence of Ph3P was found to improve the yield of 6. 35) Kubota S., Horie K., Misra HK, Toyooka K., Uda M., Shibuya M., Terada H., Chem. Pharm. Bull., 33, 662—666 (1985). ...