3 years ago

Al(III) chloride catalyzed multi-component domino strategy: Synthesis of library of dihydrotetrazolo[1,5-a]pyrimidines and tetrahydrotetrazolo[1,5-a]quinazolinones

Al(III) chloride catalyzed multi-component domino strategy: Synthesis of library of dihydrotetrazolo[1,5-a]pyrimidines and tetrahydrotetrazolo[1,5-a]quinazolinones
Tetrazolo[1,5-a]pyrimidines are well recognized and valuable scaffolds in drug discovery. In the current manuscript, we demonstrated AlCl3 catalyzed synthesis of series of dihydrotetrazolo[1,5-a]pyrimidines and tetrahydrotetrazolo[1,5-a]quinazolinones via a modified Biginelli type multi-component reaction of 5-aminotetrazole, aldehyde and diverse active methylene components such as acetophenone/alkylacetoacetates/dimedone. This provides an efficient route to construct highly functionalized dihydrotetrazolo[1,5-a]pyrimidines and tetrahydrotetrazolo[1,5-a]quinazolinones directly from readily available starting materials.

Publisher URL: www.sciencedirect.com/science

DOI: S0040403917311796

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