A facile and diverse synthesis of coumarin substituted spirooxindole and dispiro oxindole-pyrrolizidine/pyrrolothiazole/pyrrolidine derivatives via 1, 3-dipolar cycloaddition
A diverse series of coumarin substituted spirooxindole and dispirooxindole-pyrrolizidine/pyrrolothiazole/pyrrolidinederivatives have been obtained via azomethineylide specific three-component 1,3-dipolarcycloadditionreaction. This protocol features include operational simplicity, mild reaction conditions, high yields and a broad substrate scope.
Co-initiator compositions for photopolymerization containing 3-acyl-substituted coumarins, photopolymerizable composition and photographic element
申请人:EASTMAN KODAK COMPANY
(a New Jersey corporation)
公开号:EP0022188B1
公开(公告)日:1984-10-03
Miky, J. A. A.; Farrag, A. A., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1997, vol. 36, # 4, p. 357 - 360
作者:Miky, J. A. A.、Farrag, A. A.
DOI:——
日期:——
Expeditious synthesis of coumarin-pyridone conjugates molecules and their anti-microbial evaluation
作者:Rajni Khajuria、Sheena Mahajan、Ambica、Kamal K Kapoor
DOI:10.1007/s12039-017-1362-7
日期:2017.10
and 2d, 2m were found to be moderately active against all the tested fungal organisms. Compound 2k showed good inhibitory potential against the tested yeasts organisms. Graphical Abstract Expedient synthesis of coumarin-pyridone conjugate molecules has been reported via one-pot, three-component reaction between (E)-3-(3-arylacryloyl)-2H-chromen-2-ones, ethyl 2-nitroacetate and ammonium acetate. Anti-microbial