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One-pot synthesis of novel 1H-pyrimido[4,5-c][1,2]diazepines and pyrazolo[3,4-d]pyrimidines.

ABSTRACT: Novel 1H-pyrimido [4,5-c][1,2]diazepines 3 & 4 and pyrazolo [3,4-d]pyrimidines 6 were regioselectively synthesised by the reaction of 1,3-dimethyl-6-hydrazinouracils 1 with various alpha,beta-unsaturated compounds 2 and alpha-ketoalkynes 8 in excellent yields.

SUBMITTER: Prajapati D 

PROVIDER: S-EPMC1470455 | biostudies-literature | 2006 Mar

REPOSITORIES: biostudies-literature

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One-pot synthesis of novel 1H-pyrimido[4,5-c][1,2]diazepines and pyrazolo[3,4-d]pyrimidines.

Prajapati Dipak D   Baruah Partha P PP   Gogoi Baikuntha J BJ   Sandhu Jagir S JS  

Beilstein journal of organic chemistry 20060323

Novel 1H-pyrimido [4,5-c][1,2]diazepines 3 & 4 and pyrazolo [3,4-d]pyrimidines 6 were regioselectively synthesised by the reaction of 1,3-dimethyl-6-hydrazinouracils 1 with various alpha,beta-unsaturated compounds 2 and alpha-ketoalkynes 8 in excellent yields. ...[more]

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