The anticonvulsant activities of N-benzyl 3-methoxypropionamides
摘要:
We recently reported that the ED(50) value for (R,S)-2,3-dimethoxypropionamide (1) in the maximal electroshock (MES)induced seizure test in mice was 30 mg/kg (Choi, D.; Stables, J.P., Kohn, H. Bioorg. Med. Chem. 1996, 4, 2105). This value is comparable to that observed for phenobarbital (ED(50) = 22 mg/kg). Compound 1 is structurally similar to a class of MES-selective anticonvulsant agents, termed functionalized amino acids (2), that were developed in our laboratory. The distinguishing feature of 2 is the differential activities observed for enantiomers. In this study, we asked whether comparable differences in activities were observed in the MES-induced seizure test for (R)- and (S)-1. We developed stereospecific syntheses for these enantiomers and showed that both compounds exhibit nearly equal anticonvulsant activity in mice (ip) (MES ED(50) = 79-111 mg/kg). The surprisingly high ED(50) values for (R)- and (S)-1 required our redetermining the ED(50) value for (R,S)-1. We revised this value to 79 mg/kg. A limited structure-activity relationship study for 1 was conducted. Special attention was given to the C(2) methoxy unit in 1. We found that replacement of this moiety led to only modest differences in the MES activities upon ip administration to mice. Significantly we observed an enhancement in the anticonvulsant activity for (R,S)-N-benzyl 2-hydroxy-3-methoxypropionamide ((R,S)-6) upon oral administration to rats ((R,S)-6: mice tip) ED(50) > 100, < 300 mg/kg; rat (oral) ED(50) = 62 mg/kg), The activities of 3-methoxypropionamides, functionalized amino acids, and related compounds are discussed. (C) 1999 Elsevier Science Ltd. All rights reserved.
2-THIOINDOLES (SELENOINDOLES) AND RELATED DISULFIDES (SELENIDES) WHICH INHIBIT PROTEIN TYROSINE KINASES AND WHICH HAVE ANTITUMOR PROPERTIES
申请人:WARNER-LAMBERT COMPANY
公开号:EP0654024A1
公开(公告)日:1995-05-24
US5464861A
申请人:——
公开号:US5464861A
公开(公告)日:1995-11-07
US5556874A
申请人:——
公开号:US5556874A
公开(公告)日:1996-09-17
[EN] 2-THIOINDOLES (SELENOINDOLES) AND RELATED DISULFIDES (SELENIDES) WHICH INHIBIT PROTEIN TYROSINE KINASES AND WHICH HAVE ANTITUMOR PROPERTIES<br/>[FR] 2-THIOINDOLES (SELENOINDOLES) ET DISULFURES ASSOCIES (SELENIURES) INHIBANT LES TYROSINE KINASES ET PRESENTANT DES PROPRIETES ANTITUMORALES
申请人:——
公开号:WO1994003427A1
公开(公告)日:1994-02-17
[EN] 2-Thioindoles (2-selenoindoles) and analogous 2-indolinethione (2-indolineselenone) and polysulfide (selenide) compounds, salts thereof, methods of production, intermediates in their production, pharmaceutical compositions containing said compounds, and methods for inhibiting protein kinase dependent disease in a mammal or treating aberrant cell growth in a mammal, using said compositions, are disclosed. [FR] L'invention concerne des composés de 2-thioindoles (2-sélénoindoles) ainsi que de 2-indolinethione (2-indolinesélénone) et de polysulfure (séléniure) analogues, des sels de ceux-ci, des procédés de production, leurs intermédiaires de production, des compositions pharmaceutiques contenant lesdits composés, ainsi que des procédés d'inhibition de maladies liées à la kinase chez un mammifère, ou de traitement d'une croissance cellulaire aberrante chez un mammifère, à l'aide desdites compositions.
Tyrosine kinase inhibitors. 2. Synthesis of 2,2'-dithiobis(1H-indole-3-alkanamides) and investigation of their inhibitory activity against epidermal growth factor receptor and pp60v-src protein tyrosine kinases
作者:Andrew M. Thompson、David W. Fry、Alan J. Kraker、William A. Denny
DOI:10.1021/jm00031a009
日期:1994.3
class of tyrosinekinaseinhibitors have been prepared, by reaction of 1H-indole-3-alkanamides (8) with S2Cl2, and separation of the desired disulfides from the initial mixtures of mono-, di-, and trisulfides formed. These amides were evaluated in vitro against epidermalgrowthfactorreceptor and pp60v-src proteintyrosinekinases. Inhibitory activity against EGF receptortyrosinekinase was chain-length