CH507253A - Process for the preparation of a complex of phenyl-1-dimethyl-2,3-pyrazolin-5-one and N-acetyl-p-aminophenol - Google Patents

Process for the preparation of a complex of phenyl-1-dimethyl-2,3-pyrazolin-5-one and N-acetyl-p-aminophenol

Info

Publication number
CH507253A
CH507253A CH35870A CH35870A CH507253A CH 507253 A CH507253 A CH 507253A CH 35870 A CH35870 A CH 35870A CH 35870 A CH35870 A CH 35870A CH 507253 A CH507253 A CH 507253A
Authority
CH
Switzerland
Prior art keywords
pyrazolin
aminophenol
acetyl
dimethyl
phenyl
Prior art date
Application number
CH35870A
Other languages
French (fr)
Inventor
Ridgway Frank
Ann Johnson Barbara
Original Assignee
Squibb & Sons Inc
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 Squibb & Sons Inc filed Critical Squibb & Sons Inc
Publication of CH507253A publication Critical patent/CH507253A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
    • C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
CH35870A 1969-01-13 1970-01-12 Process for the preparation of a complex of phenyl-1-dimethyl-2,3-pyrazolin-5-one and N-acetyl-p-aminophenol CH507253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB193569 1969-01-13

Publications (1)

Publication Number Publication Date
CH507253A true CH507253A (en) 1971-05-15

Family

ID=9730621

Family Applications (1)

Application Number Title Priority Date Filing Date
CH35870A CH507253A (en) 1969-01-13 1970-01-12 Process for the preparation of a complex of phenyl-1-dimethyl-2,3-pyrazolin-5-one and N-acetyl-p-aminophenol

Country Status (5)

Country Link
CA (1) CA948642A (en)
CH (1) CH507253A (en)
DE (1) DE2000210A1 (en)
FR (1) FR2034467B1 (en)
GB (1) GB1297261A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10130504B4 (en) 2001-06-25 2005-02-03 Nutrinova Nutrition Specialties & Food Ingredients Gmbh Xanthine and phenazone acesulfame H complexes with improved taste, process for their preparation and their use
US7927613B2 (en) 2002-02-15 2011-04-19 University Of South Florida Pharmaceutical co-crystal compositions
US7790905B2 (en) 2002-02-15 2010-09-07 Mcneil-Ppc, Inc. Pharmaceutical propylene glycol solvate compositions
CA2477923C (en) 2002-03-01 2021-02-23 University Of South Florida Multiple-component solid phases containing at least one active pharmaceutical ingredient
MXPA05000232A (en) 2002-06-21 2005-06-17 Transform Pharmaceuticals Inc Pharmaceutical compositions with improved dissolution.
US8183290B2 (en) 2002-12-30 2012-05-22 Mcneil-Ppc, Inc. Pharmaceutically acceptable propylene glycol solvate of naproxen

Also Published As

Publication number Publication date
FR2034467B1 (en) 1974-04-12
FR2034467A1 (en) 1970-12-11
DE2000210A1 (en) 1970-07-23
CA948642A (en) 1974-06-04
GB1297261A (en) 1972-11-22

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Legal Events

Date Code Title Description
PL Patent ceased