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Cyclization of 4-[Alkoxycarbonylmethylamino]- and 4-[Alkoxycarbonylmethylthio]-5-aminopyrrolo[2,3-d]pyrimidines to Give Azabenz[cd]azulenes

✍ Scribed by S. Tumkevicius; V. Masevicius

Book ID
111558039
Publisher
Springer US
Year
2003
Tongue
English
Weight
101 KB
Volume
39
Category
Article
ISSN
0009-3122

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## Abstract Some new 7,9‐disubstituted 7__H__‐1,2,3,4‐tetrazolo[1,5‐__c__]pyrrolo[3,2‐__e__]pyrimidines 5 have been synthesized either by diazotization of 4‐hydrazino‐5,7‐disubstituted‐7__H__‐pyrrolo[2,3‐__d__]pyrimidines 4 obtained by hydrazinolysis of 4‐chloro‐5,7‐disubstituted‐7__H__‐pyrrolo[2,3