Detail of "5118-94-5"

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A novel one step approach to the synthesis of 3H-1,4-benzodiazepin-(1H,4H)-2,5-diones from 1,2,3-benzotriazin-4-(3H)-one

A novel one step approach to the synthesis of 3H-1,4-benzodiazepin-(1H,4H)-2,5-diones from 1,2,3-benzotriazin-4-(3H)-one. Gupta, Renu; Sirohi, Reenu; Shastri, Sudha; Kishore, D. (Department of Chemistry, Banasthali Vidyapith 304022, India). Heterocyclic Communications, 9(4), 363-366 (English) 2003 Freund Publishing House Ltd. CODEN: HCOMEX. 3415-35-8 and 5118-94-5 which are cas registry numbers are also used here. ISSN: 0793-0283. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Section cross-reference(s): 34 1,2,3-Benzotriazin-4-(3H)-one and its 6-chloro deriv. on thermal condensation with a-amino acids yielded 3H-1,4-benzodiazepin-(1H,4H)-2,5-diones in moderate to good yield. The cyclocondensation is believed to proceed through the formation of an iminoketene intermediate. .