NOVEL DIESTER octahydro-indolo 2,3-A -TETRAHYDROPYRANYL 2,3-C quinolizine RACEMIC OPTICALLY ACTIVE AND METHOD FOR PREPARING.

摘要

Diester derivatives of octahydro-indolo (2,3-a) -tétrahydropyranyl (2,3-c) quinolizin racemic and optically active form of (see fig 1) wherein R1 and R2 are independently alkyl of 1 to 4 carbon atoms and their acid addition salts of formula 1b (see fig 2), wherein R1 and R2 are as déinis above and X is an acid residue, and the preparation of the novel compounds.