Bulletin of the Chemical Society of Japan p. 85 - 89 (1984)
Update date:2022-08-16
Topics:
Ueda
Kawaharasaki
Imai
A new condensing agent, N,N prime -carbonyldi left bracket 2(3H)-benzoxazolethione right bracket , was readily prepared by the reaction of 2-benzoxazolethiol and trichloromethyl chloroformate in benzene. The condensing agent is shown to be useful for the preparation of amides, esters, and dipeptides under mild conditions. A successful polyamide synthesis by the polycondensation of isophthalic acid with diamines using the condensing agent is also described.
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(1992)
