BE798209A - SYNTHESIS OF CEPHALOSPHORINS - Google Patents

SYNTHESIS OF CEPHALOSPHORINS

Info

Publication number
BE798209A
BE798209A BE130008A BE130008A BE798209A BE 798209 A BE798209 A BE 798209A BE 130008 A BE130008 A BE 130008A BE 130008 A BE130008 A BE 130008A BE 798209 A BE798209 A BE 798209A
Authority
BE
Belgium
Prior art keywords
cephalosphorins
synthesis
Prior art date
Application number
BE130008A
Other languages
French (fr)
Inventor
B G Christensen
R W Ratcliffe
Original Assignee
Merck & Co 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 Merck & Co Inc filed Critical Merck & Co Inc
Publication of BE798209A publication Critical patent/BE798209A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04—Five-membered rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/40—Esters thereof
    • C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4006—Esters of acyclic acids which can have further substituents on alkyl
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
    • C07F9/568—Four-membered rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
BE130008A 1972-04-14 1973-04-13 SYNTHESIS OF CEPHALOSPHORINS BE798209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24427172A 1972-04-14 1972-04-14

Publications (1)

Publication Number Publication Date
BE798209A true BE798209A (en) 1973-10-15

Family

ID=22922077

Family Applications (1)

Application Number Title Priority Date Filing Date
BE130008A BE798209A (en) 1972-04-14 1973-04-13 SYNTHESIS OF CEPHALOSPHORINS

Country Status (3)

Country Link
BE (1) BE798209A (en)
HU (1) HU167151B (en)
ZA (1) ZA732576B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099000A (en) * 1976-03-30 1978-07-04 Merck & Co., Inc. Process for preparing di-7-azido cephalosporin compounds
US4348518A (en) 1974-05-05 1982-09-07 Hoffmann-La Roche Inc. Cephalosporins

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348518A (en) 1974-05-05 1982-09-07 Hoffmann-La Roche Inc. Cephalosporins
US4099000A (en) * 1976-03-30 1978-07-04 Merck & Co., Inc. Process for preparing di-7-azido cephalosporin compounds

Also Published As

Publication number Publication date
HU167151B (en) 1975-08-28
ZA732576B (en) 1974-11-27
AU5433073A (en) 1974-10-10

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