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 (ja
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.
DK13074A DK142419B (da) 1972-07-26 1974-01-10 N-nitrosohetacillinsulfoxidester til anvendelse som mellemprodukt til fremstilling af cephalexin.
DK13074 1974-01-10

Publications (2)

Publication Number Publication Date
DK142419B true DK142419B (da) 1980-10-27
DK142419C DK142419C (ja) 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 (ja)

Also Published As

Publication number Publication date
DK142419C (ja) 1981-03-23

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