期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 73, 期 7, 页码 2909-2911出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo702506v
关键词
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Treatment of amines under a carbon dioxide atmosphere with tetramethylphenylguanidine (PhTMG) and diphenylphosphoryl azide (DPPA) in acetonitrile below 0 degrees C provides carbamoyl azides in high to excellent yields. In addition, epimerization is not observed when optically pure alpha-amino esters are used as substrates.
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