ES426328A1 - A procedure for the preparation of new derivatives of 1,2,3,4-tetrahidroisoquinoleina. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of new derivatives of 1,2,3,4-tetrahidroisoquinoleina. (Machine-translation by Google Translate, not legally binding)
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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
A procedure for the preparation of new 1,2,3,4-tetrahydroisoquinoline derivatives of general formula: **(See formula)** where R1 and R2 are each a hydrogen atom or a lower alkyl radical, X is an oxygen or sulfur atom and R4 is a phenyl radical with one to three substituents selected from the group consisting of a lower alkoxy, hydroxy, nitro radical or lower haloalkyl and a halogen atom, and the pharmaceutically acceptable salts thereof, the process of which is characterized by reacting a compound of formula: **(See formula)** where R1 and R2 are as defined above and Y is an acidic residue, or a salt thereof, with a compound of the formula: R4 - XH where R4 and X are the ones defined above. (Machine-translation by Google Translate, not legally binding)
ES426328A1974-05-141974-05-14A procedure for the preparation of new derivatives of 1,2,3,4-tetrahidroisoquinoleina. (Machine-translation by Google Translate, not legally binding)
ExpiredES426328A1
(en)