o-Methoxy benzoic acid is produced by reacting chlorobenzoic acids having at least one chlorine atom at least at the ortho position with lower alcohol in the presence of a copper salt and a lower alkyl as a catalyst under moderate reaction conditions. o-Methoxy benzoic acid is useful as an intermediate for pharmaceutical, agricultural chemicals, and the like.
A series of some novel N-(1-ethyl-2-pyrrolidinylmethyl)benzamides was synthesized and tested for dopamine receptor blockade in vivo by the ability to block the apomorphine syndrome in the rat.Several compounds were considerably more potent than sulpiride as dopamine receptor blockers and displayed low liability to induce extrapyramidal side effects (catalepsy) in the rat.The blockade of dopamine receptor activity in vivo was mainly confined to the levorotatory isomers having the S absolute configuration.The structure-activity relationships are discussed.
Florvall, Lennart,Oegren, Sven-Ove
p. 1280 - 1286
(2007/10/02)
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