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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES229974A1publicationCriticalpatent/ES229974A1/es
Procedimiento para la preparación de compuestos de benzhidril-piperidina y de sus sales, caracterizado porque se hace reaccionar alfa (I-etil-piperidil- 2-2) -benzhidrol con ácido bromhídrico, se trata el brohidrato que resulta con álcali acuoso y se reduce el producto de alcalinización, siendo seguidamente la I-etil-2benzhildril-piperidina, eventualmente, transformada en una de sus sales.
ES0229974A1955-07-251956-07-24PROCEDIMIENTO PARA LA PREPARACIoN DE COMPUESTOS DE BENZHIDRIL-PIPERIDINA
ExpiredES229974A1
(es)