期刊
RUSSIAN CHEMICAL BULLETIN
卷 52, 期 10, 页码 2251-2260出版社
SPRINGER
DOI: 10.1023/B:RUCB.0000011887.40529.b0
关键词
N-alkoxy-N-chloro derivatives of ureas; carbamates; benzamide; and p-toluenesulfonamide; sodium carboxylates; N-acyloxy-N-alkoxy derivatives of ureas; carbamates; and tertiary alkylamines; alcoholysis; H-1 NMR spectra; mass spectra; N,N-dialkoxyamino derivatives of ureas and carbamates
Procedures were developed for the synthesis of N-acyloxy-N-alkoxy derivatives of ureas, carbamates, and benzamides by the reactions of the corresponding N-alkoxy-N-chloro derivatives with sodium carboxylates in MeCN. N-Chloro-N-etlioxy-p-toluenesulfonamide was inert in this reaction. Alcoholysis of N-acyloxy-N-alkoxy derivatives of ureas, carbamates, and tert-alkylamines afforded the corresponding N,N-dialkoxy derivatives, whereas alcoholysis of N-acetoxy-N-ethoxybenzamide gave rise to alkyl benzoates.
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