ES321313A1 - Procedure for the preparation of biphenyl-4-substitute-4-amino-terciary-alcoxy. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of biphenyl-4-substitute-4-amino-terciary-alcoxy. (Machine-translation by Google Translate, not legally binding)
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Wyeth Holdings LLC
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American Cyanamid Co
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Publication date
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Publication of ES321313A1publicationCriticalpatent/ES321313A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Hydrogenated Pyridines
(AREA)
Abstract
Process for the preparation of biphenyls-4-substituted-4'-amino-tertiary-alkoxy, of the general formula: ** (See formula) ** wherein Z is halogen, nitro, lower alkanoyl, carboxyl, lower carboalkoxy, trifluoromethyl, sulfonamido, methylsulfonyl or 1-hydroxy-1-methyl-2-propynyl; R1, R2, R3 and R4 are each hydrogen, methyl or ethyl, provided that the sum of the carbon atoms of R1 + R2 + R3 + R4 is less than 5; R5 is lower alkyl; R6 is lower alkyl and R5 and R6, taken together with the N (itrogen) is pyrrolidino, piperidino, morpholino, thiomorpholino or 4- (lower alkyl) -1-piperazino; characterized in that a compound of the formula is heated in an inert solvent at a temperature of 80 to 140º C. ** (See formula) ** wherein B is an alkali metal or hydrogen and Z is as defined above, with a compound of the formula: ** (See formula) ** wherein X is halogen or hydroxyl and R1, R2, R3, R4, R5 and R6 have the meaning given above. (Machine-translation by Google Translate, not legally binding)
ES0321313A1965-01-211965-12-30Procedure for the preparation of biphenyl-4-substitute-4-amino-terciary-alcoxy. (Machine-translation by Google Translate, not legally binding)
ExpiredES321313A1
(en)
Procedure for the preparation of new oxazolinic and tiazolinic derivatives with nematocide action (Machine-translation by Google Translate, not legally binding)
Procedure to obtain derivatives of piridinoalcohol carbamate and thiocarbamate and its oxides. (Machine-translation by Google Translate, not legally binding)