process for the production of trans 4ar - 5 - n - propyl - 4,4a, 5,6,7,8,8a, 9 octahydro - 1h and 2h) pyrazolo (3.4 g) - chinolinen

摘要

PROCEDURE FOR PREPARING pyrazolo-quinolines of general formula (I) or (II), and their pharmaceutically ACEPTABLES.COMPRENDE the following: FIRST, reacted TRANS-D1-5-N-Propyl-4, 4A, 5,6,7,8,8a, 9-octahydro-1H (and 2H) pyrazolo3,4-GQUINOLINA WITH AN EXCESS OF tARTARIC aCID FORMULA (II); Second, SPREADING THE SALT OF TRANS-stereoisomer tartrate; THIRD fractionally recrystallized MIX FOR TARTRATE SALTS the tartrate salt of Isomer TRANS-4AR; FOURTH, reacting an aqueous solution of the tartrate salt with excess base; And finally, it insulates TRANS-4AR-5-N-propyl-4,4a, 5,6,7,8,8a, 9-octahydro-1H9Y 2H) pyrazolo3,4-SHAPED BASE GQUINOLINA LIBRE.DE application as hypotensive agents.