发明授权
US07888515B2 Method for the production of N,N-carbonyldiazoles 有权
制备N,N-羰基二唑的方法

Method for the production of N,N-carbonyldiazoles
摘要:
The present invention relates to an improved process for preparing N,N′-carbonyldiazoles by reacting azoles with phosgene.
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