A series of 4-(2-carboxymethylthiomethyl)pyridines and related compounds, and their pharmaceutically acceptable salts, are disclosed as having antiinflammatory and immunoregulatory activity. Preferred compounds include 4-(2-carboxymethylthiomethyl)pyridine [alternatively named 2-(4-picolylthio)acetic acid] and (C.sub.1 -C.sub.4)alkyl esters thereof, and 4-(1-formylmethylthiomethyl)pyridine [alternatively named 2-(4-picolylthio)-acetaldehyde] and bis(C.sub.1 -C.sub.4)alkyl or cyclic acetals thereof. These acids, esters, aldehydes and acetals also have utility as intermediates in the synthesis of the corresponding 4-(2-hydroxyethylthiomethyl)pyridines.
一系列4-(2-羧甲基
硫甲基)
吡啶和相关化合物,以及它们的药用盐,被公开为具有抗炎和免疫调节活性。首选化合物包括4-(2-羧甲基
硫甲基)
吡啶[另称2-(4-
吡啶基
硫基)
乙酸]及其(C.sub.1 -C.sub.4)烷基酯,以及4-(1-
甲醛基
硫甲基)
吡啶[另称2-(4-
吡啶基
硫基)
乙醛]及其双(C.sub.1 -C.sub.4)烷基或环状
缩醛。这些酸、酯、醛和
缩醛还可作为合成相应的4-(2-羟乙基
硫甲基)
吡啶的中间体。