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GB1421199A - Process for prepating a cephalosporin - Google Patents

Process for prepating a cephalosporin

Info

Publication number
GB1421199A
GB1421199A GB1839173A GB1839173A GB1421199A GB 1421199 A GB1421199 A GB 1421199A GB 1839173 A GB1839173 A GB 1839173A GB 1839173 A GB1839173 A GB 1839173A GB 1421199 A GB1421199 A GB 1421199A
Authority
GB
United Kingdom
Prior art keywords
amino
cephalosporin
group
imino
halide
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
GB1839173A
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.)
Eli Lilly and Co
Original Assignee
Eli Lilly and 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 US00249294A external-priority patent/US3840532A/en
Priority claimed from US249293A external-priority patent/US3904615A/en
Application filed by Eli Lilly and Co filed Critical Eli Lilly and Co
Publication of GB1421199A publication Critical patent/GB1421199A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/14—Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D499/21—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
GB1839173A 1972-05-01 1973-04-17 Process for prepating a cephalosporin Expired GB1421199A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00249294A US3840532A (en) 1972-05-01 1972-05-01 Process for cleaving cephalosporin compounds
US249293A US3904615A (en) 1972-05-01 1972-05-01 Process for cleaving cephalosporin compounds

Publications (1)

Publication Number Publication Date
GB1421199A true GB1421199A (en) 1976-01-14

Family

ID=26939961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1839173A Expired GB1421199A (en) 1972-05-01 1973-04-17 Process for prepating a cephalosporin

Country Status (16)

Country Link
JP (1) JPS5842194B2 (fr)
AR (1) AR203623A1 (fr)
CH (1) CH582184A5 (fr)
DD (1) DD105239A5 (fr)
DE (1) DE2321234A1 (fr)
ES (1) ES414153A1 (fr)
FR (1) FR2183098B1 (fr)
GB (1) GB1421199A (fr)
HU (2) HU167444B (fr)
IE (1) IE37562B1 (fr)
IL (1) IL42087A (fr)
NL (1) NL181197C (fr)
RO (1) RO62896A (fr)
SE (1) SE418746B (fr)
SU (1) SU587867A3 (fr)
YU (1) YU108273A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055484A1 (fr) * 1997-06-04 1998-12-10 Biochemie Gesellschaft Mbh Procede de precipitation ameliore d'un acide 7-aminocephalosporanique (7-aca)
US6518420B2 (en) 1997-06-04 2003-02-11 Biochemie Gesellschaft M.B.H. Precipitation process of 7-aminocephalosporanic acid (7-ACA)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5256823U (fr) * 1975-10-22 1977-04-25
DE2933075C2 (de) * 1979-08-16 1984-04-19 Zahnraederfabrik Renk Ag, 8900 Augsburg Antriebs- und Bremsanlage von Kraftfahrzeugen
JPH0633990U (ja) * 1992-09-29 1994-05-06 呉羽合繊株式会社 着色装置
JP3487083B2 (ja) 1996-02-09 2004-01-13 日立化成工業株式会社 熱硬化性樹脂組成物及びその硬化物
CN110094151B (zh) * 2018-01-31 2020-06-16 光宝电子(广州)有限公司 百叶窗

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055484A1 (fr) * 1997-06-04 1998-12-10 Biochemie Gesellschaft Mbh Procede de precipitation ameliore d'un acide 7-aminocephalosporanique (7-aca)
US6518420B2 (en) 1997-06-04 2003-02-11 Biochemie Gesellschaft M.B.H. Precipitation process of 7-aminocephalosporanic acid (7-ACA)

Also Published As

Publication number Publication date
HU167444B (fr) 1975-10-28
SE418746B (sv) 1981-06-22
IL42087A0 (en) 1973-06-29
JPS4947387A (fr) 1974-05-08
YU108273A (en) 1982-02-28
FR2183098B1 (fr) 1975-08-22
IL42087A (en) 1976-01-30
FR2183098A1 (fr) 1973-12-14
IE37562L (en) 1973-11-01
JPS5842194B2 (ja) 1983-09-17
RO62896A (fr) 1978-03-15
HU167595B (fr) 1975-11-28
DE2321234A1 (de) 1973-11-22
NL181197C (nl) 1987-07-01
CH582184A5 (fr) 1976-11-30
ES414153A1 (es) 1976-06-01
AU5468973A (en) 1974-10-24
SU587867A3 (ru) 1978-01-05
IE37562B1 (en) 1977-08-17
AR203623A1 (es) 1975-09-30
NL7306068A (fr) 1973-11-05
DD105239A5 (fr) 1974-04-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930416