DK142419B - N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin. - Google Patents

N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin. Download PDF

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Publication number
DK142419B
DK142419B DK13074A DK13074A DK142419B DK 142419 B DK142419 B DK 142419B DK 13074 A DK13074 A DK 13074A DK 13074 A DK13074 A DK 13074A DK 142419 B DK142419 B DK 142419B
Authority
DK
Denmark
Prior art keywords
acid
sulfoxide
cephalexin
nitroso
nitrosohetacillin
Prior art date
Application number
DK13074A
Other languages
Danish (da)
English (en)
Other versions
DK142419C (en:Method
Inventor
Jun Okumura
Takayuki Naito
Hideaki Hoshi
Original Assignee
Bristol Myers Co
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
Priority claimed from DK408573AA external-priority patent/DK138745B/da
Application filed by Bristol Myers Co filed Critical Bristol Myers Co
Priority to DK13074A priority Critical patent/DK142419B/da
Publication of DK142419B publication Critical patent/DK142419B/da
Application granted granted Critical
Publication of DK142419C publication Critical patent/DK142419C/da

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  • Cephalosporin Compounds (AREA)
DK13074A 1972-07-26 1974-01-10 N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin. DK142419B (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK13074A DK142419B (da) 1972-07-26 1974-01-10 N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US27539972A 1972-07-26 1972-07-26
US27539972 1972-07-26
DK408573 1973-07-24
DK408573AA DK138745B (da) 1972-07-26 1973-07-24 Fremgangsmåde til fremstilling af cephalexin eller salte deraf.
DK13074 1974-01-10
DK13074A DK142419B (da) 1972-07-26 1974-01-10 N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin.

Publications (2)

Publication Number Publication Date
DK142419B true DK142419B (da) 1980-10-27
DK142419C DK142419C (en:Method) 1981-03-23

Family

ID=27220438

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13074A DK142419B (da) 1972-07-26 1974-01-10 N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin.

Country Status (1)

Country Link
DK (1) DK142419B (en:Method)

Also Published As

Publication number Publication date
DK142419C (en:Method) 1981-03-23

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