GB1443738A - Chemical intermediates - Google Patents
Chemical intermediatesInfo
- 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
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)
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IE35105B1 (en) * | 1970-03-27 | 1975-11-12 | Squibb & Sons Inc | Amcyclodin salts |
-
1973
- 1973-02-19 SE SE7302279A patent/SE397981B/xx unknown
- 1973-08-23 CA CA179,533A patent/CA1026321A/en not_active Expired
- 1973-08-30 AT AT752373A patent/AT325770B/de not_active IP Right Cessation
- 1973-09-07 DE DE19732345236 patent/DE2345236A1/de active Pending
- 1973-09-10 NL NL7312438A patent/NL7312438A/xx not_active Application Discontinuation
- 1973-09-10 GB GB4239173A patent/GB1443738A/en not_active Expired
- 1973-09-11 JP JP10172373A patent/JPS49110812A/ja active Pending
- 1973-09-11 DK DK497873A patent/DK139389B/da unknown
- 1973-09-11 FR FR7332679A patent/FR2218089B1/fr not_active Expired
Cited By (3)
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 |