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Pfizer Italia SRL
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Farmaceutici Italia SpA
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Publication date
Application filed by Farmaceutici Italia SpAfiledCriticalFarmaceutici Italia SpA
Publication of DE1218464BpublicationCriticalpatent/DE1218464B/en
Patentanspruch:Claim:Verfahren zur Herstellung von l-(3,4-Dimethoxyphenyl)-2-tert.-butylaminoäthanol
und dessen Salzen, dadurch gekennzeichnet, daß man in an sich bekannter Weise ew-tert.-Butylamino-3,4-dimethoxy-acetophenon
bzw. dessen Salze in Gegenwart eines Palladium-Kohleträgerkatalysators hydriert und die erhaltene Base
gegebenenfalls in ein Salz bzw. die erhaltenen Salze gegebenenfalls in die Base überführt.Process for the preparation of 1- (3,4-dimethoxyphenyl) -2-tert-butylaminoethanol
and its salts, characterized in that ew-tert-butylamino-3,4-dimethoxy-acetophenone is used in a manner known per se
or its salts are hydrogenated in the presence of a palladium-carbon supported catalyst and the base obtained
optionally converted into a salt or the salts obtained, optionally converted into the base.
DES87260A1962-09-171963-09-12
Process for the preparation of 1- (3, 4-dimethoxyphenyl) -2-tert-butylamino-ethanol and its salts
PendingDE1218464B
(en)
Process for the preparation of the new 1-vetratryl-4-methyl-5-ethyl-7,8-dimethoxy-2,3-diazabicyclo [5.4.0] undecapentaens- (1,3,6,8,10) and its acid addition salts
Process for the preparation of the new 1- (3 ', 5'-dihydroxy- or 3', 5'-diacyloxyphenyl) -2-cyclopentylaminobutanol and its acid addition salts
Process for the preparation of new 1-amino-2-hydroxy-3- (1 ', 4'-methano- or 1', 4'-ethano-tetrahydronaphthyloxy) -propanes and their acid addition salts