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    • 81. 发明专利
    • NO813546L
    • 1982-04-26
    • NO813546
    • 1981-10-21
    • SCHERING CORP
    • NEUSTADT BERNARD RGOLD ELIJAH HSMITH ELIZABETH M
    • C12N9/99A61K38/00A61P9/12A61P43/00C07K1/06C07K1/113C07K5/02C07K5/06C07K14/81C07C
    • Disclosed are novel carboxyalkyl dipeptides which are useful as inhibitors of angiotensinconverting enzyme and as antihypertensive agents, having the formula … … and the pharmaceuticallv acceptable salts thereof, wherein R and R are for example hydroxy, lower alkoxy or aryllower-4 alkoxy; R is for example hydrogen, alkyl, lower alkoxy or aryloxy; R and R are the same or different and are hydrogen or lower alkyl; R is for example lower alkyl or phenyl lower alkyl; R and R are selected from hydrogen, lower alkyl and Z, or R and R taken together form a group represented by Q, U, V, Y, D or E wherein … … wherein X and X independent of each other are O, S or CH2, R and R independent of each other are lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl having 3 to 8 carbon atoms, hydroxy lower alkyl or -(CH2)nAr, wherein n is 0, 1. 2 or 3 or R and R taken together form a bridge W, wherein W is a single bond or a methylene bridge or a substituted methylene bridge when at least one of X and X is methylene, or W is an alkylene or substituted alkylene bridge having 2 or 3 carbon atoms; with the proviso that at least one of R and R is Z; … … wherein L is O or S.… The compounds can be prepared according to known methods such as for example by condensation of an aminoacid XXI with an aminoacid XVII … …