正丁醇 、 Diphenylacetylisocyanat 在
silica gel 、 ethyl acetate n-hexane 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以to give the title compound (0.3 g, 83%) as a light yellow solid, m.p. 82-84° C. and MS的产率得到Diphenylacetyl-carbamic acid butyl ester
[EN] CARBAMIC ACID DERIVATIVES AND THEIR USE AS METABOTROPIC GLUTAMATE RECEPTOR LIGANDS<br/>[FR] DERIVES D'ACIDE CARBAMIQUE ET LEUR UTILISATION COMME LIGANDS DU RECEPTEUR DE GLUTAMATE METABOTROPIQUE
申请人:HOFFMANN LA ROCHE
公开号:WO2000063166A1
公开(公告)日:2000-10-26
The present invention relates to compounds of formula (I) wherein X signifies O, S or two hydrogen atoms not forming a bridge; A1/A2 signify, independently from each other, phenyl or a 6-membered heterocycle containing 1 or 2 nitrogen atoms; B is a group of formula (A), wherein Y signifies -O-, -S- or a bond; Z signifies -O- or -S-; or B is a 5-membered heterocyclic group of formulas (a, b, c or d). These compounds may be used as metabotropic glutamate receptor ligands in the control or prevention of acute and/or chronic neurological disorders.