abstract |
THE PRESENT INVENTION RELATES TO A PROCESS FOR THE PRODUCTION OF (3aR, 4S,7aR)-4 -HYDROXY-4-M-TOLYLETHYNYI-OCTAHYDRO-INDOLE-1-CARBOXYLIC ACID METHYL ESTER (I), OF CARBAMIC ACID (2-CHLOROETHYL)(3-OXOCYCLOHEXYL)-ALKYL ESTER ENANTIOMERS (II), AND OF 1 -CARBALKOXY-4 KETOPERHYDROINDOLE ENANTIOMERS (III). |