Novel process steps and novel processes for producing unsubstituted and substituted meta- and para- cyano benzoic acid compounds, as well as salts and derivatives thereof, and intermediates therefor which are useful as intermediates for producing platelet aggregation inhibitors. Further disclosed are processes for producing bicyclic and heterocyclic cyano substituted compounds also having a carboxyl group attached to the same ring structure.
生产未取代和取代的元和
对氰基苯甲酸化合物及其盐和衍
生物的新型工艺步骤和新型工艺,以及可用作生产血小板聚集
抑制剂中间体的中间体。进一步公开的是生产双环和杂环
氰基取代化合物的工艺,这些化合物也具有连接到相同环结构上的羧基。