Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth LLC
Original Assignee
American Home Products Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Home Products CorpfiledCriticalAmerican Home Products Corp
Publication of ES209891A1publicationCriticalpatent/ES209891A1/es
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General
(AREA)
Abstract
Procedimiento de ciclización caracterizado por calentar un amino-halcalcano terciario de por lo menos 6 átomos de carbono a una temperatura en la gama de alrededor de 70º alrededor de 120ºC en presencia de un disolvente orgánico altamente polar y precipitar de la mezcla de reacción el compuesto amónico cuaternario cíclico formado.
ES0209891A1952-07-031953-06-22Un procedimiento de ciclizacion
ExpiredES209891A1
(es)