✦ LIBER ✦

A new entry to pyrazolo[4,3-e][1,4]diazepines. Facile synthesis of pyrazolo [4,3-e][1,4]diazepin-5,8-diones, 5,6,8-triones and pyrazolo[4,3-e]pyrrolo-[1,2-a][1,4]diazepin-5,10-diones

✍ Scribed by Nalla Ram Reddy; Ghanta Mahesh Reddy; Padi Pratap Reddy

Publisher: Journal of Heterocyclic Chemistry
Year: 2005
Tongue: English
Weight: 74 KB
Volume: 42
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570420429

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✦ Synopsis

A facile approach to pyrazolo [4,3-e][1,4] diazepin-5,8-diones andpyrazolo[4,3-e]pyrrolo[1,2-a][1,4]diazepin-5,10-diones is reported. Strategy involved the utility of α-amino acid as a three-atom segment in the construction of diazepine skeleton on the preformed pyrazole ring.

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