Al(III) chloride catalyzed multi-component domino strategy: Synthesis of library of dihydrotetrazolo[1,5- a ]pyrimidines and tetrahydrotetrazolo[1,5- a ]quinazolinones
作者:Parteek Kour、Varun P. Singh、Brijmohan Khajuria、Tajinder Singh、Anil Kumar
DOI:10.1016/j.tetlet.2017.09.052
日期:2017.11
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/al
Tetrazolo [1,5- a ]嘧啶是药物发现中公认的有价值的支架。在当前的手稿中,我们证明了AlCl 3通过5-氨基四唑,醛和多种多样的修饰的Biginelli型多组分反应,催化合成一系列二氢四唑并[1,5- a ]嘧啶和四氢四唑并[1,5- a ]喹唑啉酮。活性亚甲基组分,如苯乙酮/乙酰乙酸烷基酯/二甲酮。这提供了直接从容易获得的起始原料直接构建高度官能化的二氢四唑并[1,5- a ]嘧啶和四氢四唑并[1,5- a ]喹唑啉酮的有效途径。