ES355550A1 - Procedure for the preparation of new derivatives of piperidine. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new derivatives of piperidine. (Machine-translation by Google Translate, not legally binding)
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Novartis AG
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JR Geigy AG
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Publication of ES355550A1publicationCriticalpatent/ES355550A1/en
Process for the preparation of new piperidine derivatives of the general formula i ** (see formula) ** In which R1 means a phenyl-alkyl group with at most 9 carbon atoms, Y R2 means the allylic or propynyl group, And its addition salts with inorganic and organic acids, characterized in that on an alkaline-metal compound of the general formula ii ** (see formula) ** In which Y (+) means an alkali metal ion, especially a lithium ion, and R1 has the significance indicated above, It is allowed to act in an inert organic solvent, an ester suitable for reaction of the allyl alcohol or 2-propyn-1-ol, and if desired the compound obtained of the general formula i is transformed into an addition salt with an inorganic acid or organic (Machine-translation by Google Translate, not legally binding)
ES355550A1967-06-281968-06-27Procedure for the preparation of new derivatives of piperidine. (Machine-translation by Google Translate, not legally binding)
ExpiredES355550A1
(en)
A process for preparing new esters of n, n'-di- (bethydroxyethyl) -piperazine of alpha-substitute 1-nafthyl acetyces. (Machine-translation by Google Translate, not legally binding)
A process for the preparation of acids 2- (6-metoxy2'naftil) propionico and 2- (6-metoxy-2-naftil) -1-propanol. (Machine-translation by Google Translate, not legally binding)