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Perhydro‐1,3‐diazepine‐2,4‐diones by cyclization of 4‐ureidobutyric acids with thionyl chloride: A reinvestigation
Author(s) -
Heckendorn Roland,
Winkler Tammo
Publication year - 2000
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570370118
Subject(s) - chemistry , thionyl chloride , diazepine , chloride , organic chemistry , medicinal chemistry , ring (chemistry)
The structures of the previously reported aryl‐perhydro‐1,3‐diazepine‐2,4‐diones are shown to be pyrro‐lidinone carboxamide derivatives by nmr spectroscopy.