Heterocyclic Communications p. 363 - 366 (2003)
Update date:2022-08-17
Topics:
Gupta, Renu
Sirohi, Reenu
Shastri, Sudha
Kishore
1,2,3-Benzotriazin-4-(3H)-one(3) and its 6-chloro derivative (4) on thermal condensation with α-amino acids yielded 3H-1,4-benzodiazepin-(1H,4H)-2,5-diones(7-12) in moderate to good yield. The cyclocondensation is believed to proceed through the formation of an iminoketene intermediate (5).
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(2002)
