首页>
外国专利>
Procedure for the production of 5-phenyl-1, 3, 4, 4a, 5, 9b-hexahidro-2H-indeno (1,2-c) pyridines. (Machine-translation by Google Translate, not legally binding)
Procedure for the production of 5-phenyl-1, 3, 4, 4a, 5, 9b-hexahidro-2H-indeno (1,2-c) pyridines. (Machine-translation by Google Translate, not legally binding)
Procedure for the production of 5-phenyl-1,3,4,4a, 5,9b-hexahydro-2H-indene [1,2-c] pyridines, of general formula: **(See formula)** wherein either R1, R2, and R3 signify hydrogen or R1 signifies hydrogen, an alkyl, alkenyl or lower alkynyl radical, R2 signifies chlorine, bromine, fluorine or a lower alkyl radical and R3 signifies hydrogen, chlorine, bromine, fluorine or an alkyl, lower alkyl or lower alkoxy or trifluoromethyl radical and their acid addition salts, characterized in that it is heated in an alkaline medium, a compound in which the 4a/5 hydrogen atoms are cis and the 4a/9b hydrogen atoms they are cis, of formula I and, if desired, the obtained compounds are transformed into their acid addition salts. (Machine-translation by Google Translate, not legally binding)
展开▼