申请人:G. D. Searle & Co.
公开号:US04803294A1
公开(公告)日:1989-02-07
This invention relates to novel intermediate compounds which are useful for producing the halogenated protease inhibitors that are the subject matter of U.S. Pat. No. 4,469,885. In particular, the invention relates to novel methods and intermediates for making said protease inhibitors, the intermediate compounds being of the formula: ##STR1## wherein R.sub.1 is: (a) straight or branched chain lower alkyl having 1-6 carbon atoms; or (b) H; wherein R.sub.6 is: (a) straight or branched chain higher alkyl having 13-25 carbon atoms; or (b) straight or branched chain higher alkenyl having 13-25 carbon atoms; wherein R.sub.5 is: (a) straight or branched chain lower alkyl having 1-6 carbon atoms; or (b) benzyl; wherein R.sub.7 is: (a) straight or branched chain lower alkyl having 1-6 carbon atoms; or (b) H; wherein R.sub.2 is: (a) --Cl, --Br, or --I; or (b) --CF.sub.3.
这项发明涉及一种新型中间化合物,用于制备美国专利号4,469,885所涉及的卤代蛋白酶抑制剂。具体而言,该发明涉及制备所述蛋白酶抑制剂的新方法和中间体,其中中间化合物的结构如下:其中R1为:(a) 1-6个碳原子的直链或支链低碳链烷基;或(b) H;其中R6为:(a) 13-25个碳原子的直链或支链高碳链烷基;或(b) 13-25个碳原子的直链或支链高碳链烯基;其中R5为:(a) 1-6个碳原子的直链或支链低碳链烷基;或(b) 苄基;其中R7为:(a) 1-6个碳原子的直链或支链低碳链烷基;或(b) H;其中R2为:(a) --Cl,--Br或--I;或(b) --CF3。