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Home   •   Patent Watch--January 19, 2009
Patent Watch--January 19, 2009

The following record is from the CAplusSM database

CAPLUS COPYRIGHT 2009 ACS

PATENT NUMBER: US 7442826
TITLE: Esterification process for the preparation of nitrooxy derivatives of paracetamol
INVENTOR(S): Rivolta, Romano; Aureli, Roberto
PATENT ASSIGNEE(S): Nicox S. A., Fr.
SOURCE: PCT Int. Appl., 11 pp. CODEN: PIXXD2
LANGUAGE: English
ABSTRACT:
Nitrooxy derivs. of paracetamol 4-(AcNH)C6H4O2CXONO2 [X = (un)branched C1-20 alkylene; e.g., 4-(acetylamino)phenyl 4-(nitrooxy)butanoate] are prepd. by the esterification of 4-(acetylamino)phenolates 4-(AcNH)C6H4OM [M = H, Group IA or IIA cation, onium cation; e.g., 4-(acetylamino)phenol] with a nitrooxycarboxylic acid deriv. O2NOXCOY [Y = OH, Cl, OCO2R, O2CXCOY; R = alkyl; e.g., 4-(nitrooxy)butanoyl chloride].

View the full-text patent from USPTO.

Updated: 1/7/2009 7:39:59 AM
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