Isatin derivatives, processes for the preparation thereof and
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04382934A1
公开(公告)日:1983-05-10
A compound of the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen, halogen, lower alkyl, lower alkoxy, halo (lower) alkyl, lower alkanoylamino, lower alkoxyalylamino, or a 5 to 6 membered saturated or unsaturated heterocyclic group having at least one imino group, and selected from the group consisting of pyrrolidinyl, pyrrolinyl, imidazolidinyl, piperazinyl, piperidyl, and morpholynyl, or R.sup.1 and R.sup.2 are combined together to form a benzene ring, R.sup.3 is oxo or a group of the formula .dbd.N--OR.sup.5, in which R.sup.5 is hydrogen or lower alkyl, R.sup.4 is mono- or di- or triphenyl (lower) alkyl, A is C.sub.1 to C.sub.7 alkylene and its hydroxy derivatives, Y is (C.sub.1 to C.sub.3) alkylene, or a pharmaceutically acceptable salt thereof. Said compounds having antiallergic properties represent inclusively all of the possible optical and/or geometrical isomers due to the asymmetric carbon and carbon-nitrogen double bond.
Novel tetracyclic structures from the synthesis of thiolactone-isatin hybrids
作者:Renate Hazel Hans、Hong Su、Kelly Chibale
DOI:10.3762/bjoc.6.78
日期:——
A simple and straightforward synthetic approach to potential anti-infective thiolactone-isatin hybrids led to the discovery of novel tetracyclic compounds which bear a macrocylic motif containing an unusual bridged amide bond.
article narrates the synthesis of ferrocene appended isatin−2,4-thiazolidinedione molecular hybrid linked via a triazole moiety. Isatin and 2,4-thiazolidinedione were linked via a triazole unit formed by a simple copper catalysed alkyne-azide 1,3-dipolar cycloaddition reaction. The UV–vis and electrochemical studies on all the new compounds are reported. Antimicrobial activity against some selected
Design, synthesis and biological evaluation of novel indolinedione–coumarin hybrids as xanthine oxidase inhibitors
作者:Harmandeep Kaur Gulati、Kavita Bhagat、Atamjit Singh、Nitish Kumar、Arshmeet Kaur、Akriti Sharma、Shilpa Heer、Harbinder Singh、Jatinder Vir Singh、Preet Mohinder S. Bedi
DOI:10.1007/s00044-020-02589-2
日期:2020.9
potent IC50 value against xanthineoxidase enzyme. Kinetic studies were also performed to check the mode of inhibition of most potent compound K-7, which revealed its mixed-type inhibition behavior. Structure-activity relationships revealed that electron-donating groups and small alkyl chains between the two active scaffolds might be beneficial in inhibitingxanthineoxidase enzyme. It was also shown
A novel series of triazole tethered isatin-benzotriazole hybrids has been designed as potential antifungal agents against Candida strains. Hybrid molecules were synthesised viaclickchemistry approach and characterized by NMR and Mass spectroscopic techniques. Among the synthesized hybrids, AS14 showed most potent activity against fluconazole resistant Candida albicans with minimum inhibitory concentration