This invention involves a coupling reaction involving an organo-metallic catalyst, preferably a palladium catalyst involving reacting 2-halo-3-hydroxy-6-hydroxymethylpyridine, acrylic acid or its alkali metal salt and benzyl or a phenylalkyl derivative in presence of a dipolar aprotic solvent producing none other than the expected 2-propenoate-3-benzyl or phenylalkylether-6-hydroxymethyl-pyridine product. Said products are converted into medicaments useful for treating psoriasis.
这项发明涉及一种偶联反应,涉及一个有机
金属催化剂,最好是涉及
钯催化剂,包括在二极无极溶剂存在下反应2-卤代-3-羟基-6-羟
甲基吡啶,
丙烯酸或其碱
金属盐和苄基或苯基烷基衍
生物,产生预期的2-
丙烯酸-3-苄基或苯基烷醚-6-羟
甲基吡啶产物。这些产物被转化为治疗
银屑病的药物。