ES8200897A1 - Manufacture of cephalosporanic acid derivative - Google Patents

Manufacture of cephalosporanic acid derivative

Info

Publication number
ES8200897A1
ES8200897A1 ES497973A ES497973A ES8200897A1 ES 8200897 A1 ES8200897 A1 ES 8200897A1 ES 497973 A ES497973 A ES 497973A ES 497973 A ES497973 A ES 497973A ES 8200897 A1 ES8200897 A1 ES 8200897A1
Authority
ES
Spain
Prior art keywords
formula
compound
manufacture
group
acid derivative
Prior art date
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.)
Expired
Application number
ES497973A
Other languages
Spanish (es)
Other versions
ES497973A0 (en
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES497973A0 publication Critical patent/ES497973A0/en
Publication of ES8200897A1 publication Critical patent/ES8200897A1/en
Expired legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

Procedure for the obtaining of acid compounds 7b-cianecetylamino-3-acetiximethyl-3-cefem-4-carboxylic, of formula (I), where r means hidroxi or a rest r formator, along with the carbonilic group (c = o) -, from a protected carboxilic group. It can be done to the compound of formula (I) by two different methods. In the first, reaction, in the presence of inert solvents and at a temperature of -60 to 30 c, a compound of formula (II) or a salt thereof, with an adequate isocyanate compound of formula (III), where r0 is the acid reset of an inorganic acid halide, dissecting carbon dioxide from the addition product, and this is dissented in the presence of an organic base. (Machine-translation by Google Translate, not legally binding)
ES497973A 1979-12-21 1980-12-19 Manufacture of cephalosporanic acid derivative Expired ES8200897A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1140679 1979-12-21

Publications (2)

Publication Number Publication Date
ES497973A0 ES497973A0 (en) 1981-11-16
ES8200897A1 true ES8200897A1 (en) 1981-11-16

Family

ID=4373193

Family Applications (1)

Application Number Title Priority Date Filing Date
ES497973A Expired ES8200897A1 (en) 1979-12-21 1980-12-19 Manufacture of cephalosporanic acid derivative

Country Status (3)

Country Link
JP (1) JPS5699488A (en)
AT (1) ATA621080A (en)
ES (1) ES8200897A1 (en)

Also Published As

Publication number Publication date
ATA621080A (en) 1982-06-15
ES497973A0 (en) 1981-11-16
JPS5699488A (en) 1981-08-10

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