3, 3′-(Phenylphosphinylidene) bis [2 (3H)-benzoxazolone] and 3, 3′-(Phenylphosphinylidene) bis [2 (3H)-benzothiazolone]. New Activating Agents

…, A Mochizuki, I Hiratsuka, H Oikawa

文献索引：Ueda, Mitsuru; Mochizuki, Amane; Hiratsuka, Ichiro; Oikawa, Hideaki Bulletin of the Chemical Society of Japan, 1985 , vol. 58, # 11 p. 3291 - 3297

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被引用次数: 15

摘要

New activating agents, 3, 3′-(phenylphosphinylidene) bis [2 (3H)-benzoxazolone](4) and 3, 3′-(phenylphosphinylidene) bis [2 (3H)-benzothiazolone](5), were readily prepared by the reaction of phenylphosphonic dichloride (3) with 2 (3H)-benzoxazolone (1) and 2 (3H)- benzothiazolone (2) respectively in the presence of triethylamine at room temperature. The new activating agents 4 and 5 were found to be useful for the preparation of amides, ...