Superoxide dismutase mimetics. Part 2: synthesis and structure–Activity relationship of glyoxylate- and glyoxamide-Derived metalloporphyrins
摘要:
Novel glyoxylate- and glyoxamide-derived metalloporphyrins 26-58 were synthesized and evaluated as potential superoxide dismutase (SOD) mimetics. Relative to previously studied MnTBAP analogues, the glyoxylate-derived metalloporphyrins 32, 39, and 54 and glyoxamide-derived metalloporphyrin 49, exhibited enhanced activity in the SOD assay and the majority of the analogues in the current series showed enhanced inhibition of lipid peroxidation and catalase activity. (C) 2003 Elsevier Science Ltd. All rights reserved.
Superoxide dismutase mimetics. Part 2: synthesis and structure–Activity relationship of glyoxylate- and glyoxamide-Derived metalloporphyrins
摘要:
Novel glyoxylate- and glyoxamide-derived metalloporphyrins 26-58 were synthesized and evaluated as potential superoxide dismutase (SOD) mimetics. Relative to previously studied MnTBAP analogues, the glyoxylate-derived metalloporphyrins 32, 39, and 54 and glyoxamide-derived metalloporphyrin 49, exhibited enhanced activity in the SOD assay and the majority of the analogues in the current series showed enhanced inhibition of lipid peroxidation and catalase activity. (C) 2003 Elsevier Science Ltd. All rights reserved.
[EN] PROCESS FOR SEPARATING ENANTIOMERS FROM A RACEMIC MIXTURE<br/>[FR] PROCEDE DE SEPARATION D'ENANTIOMERES D'UN MELANGE RACEMIQUE
申请人:AKZO NOBEL N.V.
公开号:WO1994007814A1
公开(公告)日:1994-04-14
(EN) Proposed is a process for separating enantiomers from a racemic mixture by countercurrent extraction using at least two liquids of mutually differing chiralities, said liquids being wholly miscible and separated from each other by a phase with which they are immiscible. The separating, immiscible phase may be incorporated into a solid carrier which may be porous or not and preferably is in the form of a hollow fibre. The liquids of mutually differing chiralities may be chirally active as such or, alternatively, be obtained by the incorporation of a chiral adjuvant into at least one of the extracting liquids.(FR) L'invention concerne un procédé de séparation d'énantiomères d'un mélange racémique par extraction à contre courant au moyen d'au moins deux liquides de chiralité différente, lesdits liquides étant totalement miscibles et séparés l'un de l'autre par une phase avec laquelle ils ne peuvent pas se mélanger. Cette phase de séparation, avec laquelle les deux liquides ne peuvent pas se mélanger, peut être incorporée à un vecteur solide qui peut être poreux ou non, et qui se présente, de préférence, sous la forme d'une fibre creuse. Lesdits liquides de chiralité différente peuvent être chiralement actifs en tant que tels, ou bien, ils peuvent être obtenus par incorporation d'un additif chiral dans au moins un des liquides d'extraction.