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New polycyclic azines derived from pyrazolo[3,4-b]pyridine.

T I el-Emary¹, A M Hussein, H S el-Kashef.

Abstract

The aminoimidazolinyl derivative 3 was synthesized using the pyrazole amino aldehyde 1 as a starting material. Compound 3 has been used as a key intermediate in the synthesis of the title compounds.

Entities: Chemical

Mesh：

Substances：

Year: 2000 PMID： 11828614

Source DB: PubMed Journal: Pharmazie ISSN： 0031-7144 Impact factor: 1.267

New polycyclic azines derived from pyrazolo[3,4-b]pyridine.

1. Diastereoselective synthesis of atropisomeric pyrazolyl pyrrolo[3,4-d]isoxazolidines via pyrazolyl nitrone cycloaddition to facially divergent maleimides: intensive NMR and DFT studies.

2. Multi-component one-pot synthesis and antimicrobial activities of 3-methyl-1,4-diphenyl-7-thioxo-4,6,8,9-tetrahydro-pyrazolo[5,4-b]pyrimidino[5,4-e]pyridine-5-one and related derivatives.