Synthesis and Structural Study of New Saturated Isoindol-1-one Derivatives
摘要:
Condensation of 2-p-toluoylcyclohexanecarboxylic acid (1a,b) with primary amines gave the corresponding hexahydroisoindol-1-ones (2a-g) in good yield. The octahydro derivatives (4a-g) were prepared from cis- and trans-hexahydro-1-(2H)-phthalazinone (3a,b) by reduction with zinc-hydrochloric acid via ring contraction. Stereoselective synthesis of cis-N-phenyloctahydroisoindol-1-one (4h) was performed starting from 2b by reduction with magnesium-methanol at room temperature. Configurational assignments of cis and trans isomers were based on H-1- and C-13-nmr spectroscopic studies.
Synthesis and Structural Study of New Saturated Isoindol-1-one Derivatives
摘要:
Condensation of 2-p-toluoylcyclohexanecarboxylic acid (1a,b) with primary amines gave the corresponding hexahydroisoindol-1-ones (2a-g) in good yield. The octahydro derivatives (4a-g) were prepared from cis- and trans-hexahydro-1-(2H)-phthalazinone (3a,b) by reduction with zinc-hydrochloric acid via ring contraction. Stereoselective synthesis of cis-N-phenyloctahydroisoindol-1-one (4h) was performed starting from 2b by reduction with magnesium-methanol at room temperature. Configurational assignments of cis and trans isomers were based on H-1- and C-13-nmr spectroscopic studies.
Design and synthesis of some isoindoline derivatives as analogues of the active anti-inflammatory Indoprofen
作者:Ferenc Csende、Ferenc Miklós、Andrea Porkoláb
DOI:10.3998/ark.5550190.0014.225
日期:——
Searching new targets for anti-inflammatory drug de sign, agents with the isoindole skeleton were focused on the basis of preliminary studies of NSAI Ds as COX-1 and/or COX-2 enzyme inhibitors. Thus several novel N-substituted isoindoline derivatives as possible bi ologically active compounds were prepared as analogues of Indoprofen ( 1) starting from cis -2-((4- methylphenyl)carbonyl)cyclohexanecarboxylic
Synthesis and Structural Study of New Saturated Isoindol-1-one Derivatives
作者:Ferenc Csende、Zolt� Szab�、G斯a St�er
DOI:10.3987/com-93-6366
日期:——
Condensation of 2-p-toluoylcyclohexanecarboxylic acid (1a,b) with primary amines gave the corresponding hexahydroisoindol-1-ones (2a-g) in good yield. The octahydro derivatives (4a-g) were prepared from cis- and trans-hexahydro-1-(2H)-phthalazinone (3a,b) by reduction with zinc-hydrochloric acid via ring contraction. Stereoselective synthesis of cis-N-phenyloctahydroisoindol-1-one (4h) was performed starting from 2b by reduction with magnesium-methanol at room temperature. Configurational assignments of cis and trans isomers were based on H-1- and C-13-nmr spectroscopic studies.