ES437331A1 - Un procedimiento para la produccion de nuevos derivados de penicilina y cafalosporina. - Google Patents

Un procedimiento para la produccion de nuevos derivados de penicilina y cafalosporina.

Info

Publication number
ES437331A1
ES437331A1 ES437331A ES43733176A ES437331A1 ES 437331 A1 ES437331 A1 ES 437331A1 ES 437331 A ES437331 A ES 437331A ES 43733176 A ES43733176 A ES 43733176A ES 437331 A1 ES437331 A1 ES 437331A1
Authority
ES
Spain
Prior art keywords
group
see formula
hydrogen atom
atom
radicals
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
ES437331A
Other languages
English (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.)
Toyama Chemical Co Ltd
Original Assignee
Toyama Chemical Co Ltd
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 JP5066374A external-priority patent/JPS539238B2/ja
Priority claimed from JP5225474A external-priority patent/JPS539239B2/ja
Priority claimed from JP6078774A external-priority patent/JPS539240B2/ja
Priority claimed from JP9199674A external-priority patent/JPS5123284A/ja
Application filed by Toyama Chemical Co Ltd filed Critical Toyama Chemical Co Ltd
Publication of ES437331A1 publication Critical patent/ES437331A1/es
Expired legal-status Critical Current

Links

Landscapes

  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
ES437331A 1974-05-09 1976-12-14 Un procedimiento para la produccion de nuevos derivados de penicilina y cafalosporina. Expired ES437331A1 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5066374A JPS539238B2 (es) 1974-05-09 1974-05-09
JP5225474A JPS539239B2 (es) 1974-05-13 1974-05-13
JP6078774A JPS539240B2 (es) 1974-05-31 1974-05-31
JP9199674A JPS5123284A (en) 1974-08-13 1974-08-13 Shinkina penishirinruino seizoho

Publications (1)

Publication Number Publication Date
ES437331A1 true ES437331A1 (es) 1977-05-16

Family

ID=27462534

Family Applications (2)

Application Number Title Priority Date Filing Date
ES437331A Expired ES437331A1 (es) 1974-05-09 1976-12-14 Un procedimiento para la produccion de nuevos derivados de penicilina y cafalosporina.
ES454264A Expired ES454264A1 (es) 1974-05-09 1976-12-15 Un procedimiento para la produccion de nuevos derivados de penicilina y cefalosporina.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES454264A Expired ES454264A1 (es) 1974-05-09 1976-12-15 Un procedimiento para la produccion de nuevos derivados de penicilina y cefalosporina.

Country Status (1)

Country Link
ES (2) ES437331A1 (es)

Also Published As

Publication number Publication date
ES454264A1 (es) 1977-12-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970210