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Novartis AG
Original Assignee
JR Geigy AG
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Publication date
Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Priority to ES0223230ApriorityCriticalpatent/ES223230A1/es
Publication of ES223230A1publicationCriticalpatent/ES223230A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para la preparación de derivados de la 4-oxi-cumarinacaracterizado porque se prepara compuestos de fórmula general **(Ver fórmula)** en la cual significan R y R1 grupos alcoílo de peso molecular inferiory X hidrógenohalógeno o un grupo metilohaciendo reaccionar un medio que disocia aguaparticularmente ácido clorhídricocon una mezcla a base de un compuesto de fórmula general **(Ver fórmula)** y un alcohol de fórmula general R''-OH.
ES0223230A1955-07-151955-07-15PROCEDIMIENTO PARA LA PREPARACIoN DE DERIVADOS DE LA 4-OXI-CUMARINA
ExpiredES223230A1
(es)