GB1443738A - Chemical intermediates - Google Patents

Chemical intermediates

Info

Publication number
GB1443738A
GB1443738A GB4239173A GB4239173A GB1443738A GB 1443738 A GB1443738 A GB 1443738A GB 4239173 A GB4239173 A GB 4239173A GB 4239173 A GB4239173 A GB 4239173A GB 1443738 A GB1443738 A GB 1443738A
Authority
GB
United Kingdom
Prior art keywords
alkyl group
penicillin
cephalosporin
carbon atoms
acid
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
GB4239173A
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.)
Astra Lakemedel AB
Original Assignee
Astra Lakemedel AB
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 Astra Lakemedel AB filed Critical Astra Lakemedel AB
Publication of GB1443738A publication Critical patent/GB1443738A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
GB4239173A 1973-02-19 1973-09-10 Chemical intermediates Expired GB1443738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7302279A SE397981B (sv) 1973-02-19 1973-02-19 Nya tetraalkylammoniumsalter av 6-aminopenicillansyra och av bensylpenicillin avsedda att anvendas som mellanprodukter vid framstellning av vissa estrar av 6-aminopenicillansyra och av bensylpenicillin

Publications (1)

Publication Number Publication Date
GB1443738A true GB1443738A (en) 1976-07-21

Family

ID=20316663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4239173A Expired GB1443738A (en) 1973-02-19 1973-09-10 Chemical intermediates

Country Status (9)

Country Link
JP (1) JPS49110812A (xx)
AT (1) AT325770B (xx)
CA (1) CA1026321A (xx)
DE (1) DE2345236A1 (xx)
DK (1) DK139389B (xx)
FR (1) FR2218089B1 (xx)
GB (1) GB1443738A (xx)
NL (1) NL7312438A (xx)
SE (1) SE397981B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606865A (en) * 1982-09-20 1986-08-19 Astra Lakemedel Aktiebolag Methods for the preparation of α-bromodiethylcarbonate
US4619785A (en) * 1982-06-29 1986-10-28 Astra Lakemedel Aktiebolag Novel synthesis route for bacampicillin

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1565656A (en) * 1975-12-13 1980-04-23 Beecham Group Ltd Preparation of substituted penicillin acid esters
DE3348300C2 (de) * 1982-06-29 1994-04-21 Astra Laekemedel Ab Verwendung von alpha-Bromdiethylcarbonat
IL68992A (en) * 1982-06-29 1991-06-10 Astra Laekemedel Ab Alpha-bromo diethyl carbonate and process for the preparation of ethoxycarbonyloxy esters of penicillanic acids
IL67637A0 (en) * 1983-01-07 1983-05-15 Orvet Bv Preparation of 1'-ethoxycarbonyl-oxyethyl esters of penicillins and novel intermediates
JPS59134796A (ja) * 1983-01-18 1984-08-02 Taito Pfizer Kk ６−アミノペニシラン酸のテトラアルキルアンモニウム塩を用いる６−アミノペニシラン酸エステルの製造法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE35105B1 (en) * 1970-03-27 1975-11-12 Squibb & Sons Inc Amcyclodin salts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619785A (en) * 1982-06-29 1986-10-28 Astra Lakemedel Aktiebolag Novel synthesis route for bacampicillin
US4606865A (en) * 1982-09-20 1986-08-19 Astra Lakemedel Aktiebolag Methods for the preparation of α-bromodiethylcarbonate
US4820857A (en) * 1982-09-20 1989-04-11 Astra Lakemedel Aktiebolag α-bromodiethylcarbonate

Also Published As

Publication number Publication date
ATA752373A (de) 1975-01-15
DK139389B (da) 1979-02-12
AU5992973A (en) 1975-03-06
NL7312438A (xx) 1974-08-21
DE2345236A1 (de) 1974-08-22
JPS49110812A (xx) 1974-10-22
CA1026321A (en) 1978-02-14
AT325770B (de) 1975-11-10
FR2218089A1 (xx) 1974-09-13
SE397981B (sv) 1977-11-28
FR2218089B1 (xx) 1977-05-27
DK139389C (xx) 1979-07-09

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee