KR830002772A - 메탄디올의 페니실린 및 페니실란산 1,1-디옥사이드 와의 비스-에스테르 - Google Patents

메탄디올의 페니실린 및 페니실란산 1,1-디옥사이드 와의 비스-에스테르 Download PDF

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KR830002772A
KR830002772A KR1019800001917A KR800001917A KR830002772A KR 830002772 A KR830002772 A KR 830002772A KR 1019800001917 A KR1019800001917 A KR 1019800001917A KR 800001917 A KR800001917 A KR 800001917A KR 830002772 A KR830002772 A KR 830002772A
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South Korea
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formula
group
compound
methanediol
penicillin
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KR1019800001917A
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English (en)
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KR840000105B1 (ko
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클리브랜드 빅햄 에릭
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폴 에스. 밀러
화이자 인코포레이티드
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    • 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
    • C07D499/28—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 with modified 2-carboxyl group
    • C07D499/32—Esters
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A61P7/10—Antioedematous agents; Diuretics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/12—Antihypertensives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Diabetes (AREA)
  • Hematology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

내용 없음

Description

메탄디올의 페니실린 및 페니실란산 1, 1-디옥사이드 와의 비스-에스테르
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 구조식(a)의 화합물을 구조식(Ⅶ)의 화합물과 반응시킨 후, 필요하면 아미노 및 카복시 보호그룹을 제거시킴을 특징으로 하여 구조식(Ⅰ)의 화합물 또는 그의 약제학적으로 허용되는 염을 제조하는 방법.
    상기 구조식중
    R1은 유기 카복실산의 아실그룹이고
    R2는 유리의 아미노 또는 카복시 그룹이 보호되어 있는 그룹 R1이며
    M은 카복실레이트염 생성양이온이며
    X는 클로로, 브로모, 요도, 탄소수 1 내지 4의 알킬설포닐옥시, 벤젠설포닐옥시 및 톨루엔설포닐로 구성되는 그룹중에서 선택된다.
  2. 구조식(Ⅷ)의 화합물과 구조식(Ⅸ)의 화합물을 반응시킨 후, 필요하면 아미노 및 카복시 보호그룹을 제거시킴을 특징으로 하여 구조식(Ⅰ)의 화합물 또는 그의 약제학적으로 허용되는 염을 제조하는 방법.
    상기 구조식중
    R1은 유기 카복실산의 아실 그룹이고
    R2는 유리의 아미노 또는 카복시그룹이 보호되어 있는 그룹 R1이며
    M은 카복실레이트 염 생성 양이온이며
    X는 클로로, 브로모, 요도, 탄소수 1 내지 4의 알킬설포닐 옥시, 벤젠설포닐옥시 및 톨루엔설포닐옥시로 구성되는 그룹중에서 선택된다.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019800001917A 1979-05-16 1980-05-15 메탄디올의 페니실린 및 페니실란산 1, 1-디옥사이드와의 비스-에스테르 제조방법 KR840000105B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/039,539 US4244951A (en) 1979-05-16 1979-05-16 Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
US39539 1979-05-16

Publications (2)

Publication Number Publication Date
KR830002772A true KR830002772A (ko) 1983-05-30
KR840000105B1 KR840000105B1 (ko) 1984-02-11

Family

ID=21906015

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KR1019800001917A KR840000105B1 (ko) 1979-05-16 1980-05-15 메탄디올의 페니실린 및 페니실란산 1, 1-디옥사이드와의 비스-에스테르 제조방법

Country Status (44)

Country Link
US (1) US4244951A (ko)
JP (1) JPS55157589A (ko)
KR (1) KR840000105B1 (ko)
AR (1) AR226062A1 (ko)
AT (2) AT369373B (ko)
AU (1) AU520066B2 (ko)
BE (1) BE883299A (ko)
BG (1) BG35467A3 (ko)
CA (1) CA1200545A (ko)
CH (1) CH646177A5 (ko)
CS (1) CS276964B6 (ko)
DD (1) DD150898A5 (ko)
DE (2) DE3050440A1 (ko)
DK (1) DK159786C (ko)
EC (1) ECSP941080A (ko)
EG (1) EG15129A (ko)
ES (1) ES8104300A1 (ko)
FI (1) FI71742C (ko)
FR (2) FR2456745A1 (ko)
GB (2) GB2081269B (ko)
GR (1) GR68468B (ko)
GT (1) GT198063473A (ko)
HK (2) HK66787A (ko)
HU (1) HU184754B (ko)
IE (1) IE49892B1 (ko)
IL (1) IL60074A (ko)
IN (1) IN154371B (ko)
IT (1) IT1131187B (ko)
KE (2) KE3457A (ko)
LU (1) LU82452A1 (ko)
MX (1) MX6717E (ko)
MY (2) MY8500322A (ko)
NL (1) NL8002793A (ko)
NO (3) NO801415L (ko)
NZ (1) NZ193713A (ko)
PH (3) PH16554A (ko)
PL (2) PL127434B1 (ko)
PT (1) PT71248A (ko)
RO (2) RO80220A (ko)
SE (1) SE449749B (ko)
SG (1) SG56284G (ko)
SU (2) SU1122226A3 (ko)
YU (1) YU41925B (ko)
ZA (1) ZA801885B (ko)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE49881B1 (en) * 1979-02-13 1986-01-08 Leo Pharm Prod Ltd B-lactam intermediates
US4309347A (en) * 1979-05-16 1982-01-05 Pfizer Inc. Penicillanoyloxymethyl penicillanate 1,1,1',1'-tetraoxide
DE3051044C2 (ko) * 1979-06-19 1989-03-30 Leo Pharmaceutical Products Ltd. A/S (Loevens Kemiske Fabrik Produktionsaktieselskab), Ballerup, Dk
US4364957A (en) * 1979-09-26 1982-12-21 Pfizer Inc. Bis-esters of alkanediols as antibacterial agents
US4342768A (en) * 1979-10-22 1982-08-03 Pfizer Inc. Bis-esters of 1,1-alkanediols with 6-beta-hydroxymethylpenicillanic acid 1,1-dioxide and beta-lactam antibiotics
IL61880A (en) * 1980-01-21 1984-11-30 Bristol Myers Co 2beta-chloromethyl-2alpha-methylpenam-3alpha-carboxylic acid sulfone derivatives,their preparation and pharmaceutical compositions containing them
US4488994A (en) * 1980-09-08 1984-12-18 Pfizer Inc. Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
IE51516B1 (en) * 1980-10-06 1987-01-07 Leo Pharm Prod Ltd 1,1-dioxapenicillanoyloxymethyl 6-(d-alpha-amino-alpha-phenylacetamido)penicillanate napsylate
IL64009A (en) * 1980-10-31 1984-09-30 Rech Applications Therap Crystalline 1,1-dioxopenicillanoyloxymethyl 6-(d-alpha-amino-alpha-phenylacetamido)penicillanate tosylate hydrates,their production and pharmaceutical compositions containing them
US4474698A (en) * 1980-12-11 1984-10-02 Pfizer Inc. Process for preparing esters of penicillanic acid sulfone
US4323499A (en) * 1981-01-05 1982-04-06 Pfizer Inc. 6-(2-Aryl-2-(1,1-dioxopenicillanoyloxy-methoxycarbonyl)acetamido penicillanic acids
US4478748A (en) * 1981-02-20 1984-10-23 Pfizer Inc. Bis-esters of alkanediols
US4381263A (en) * 1981-03-23 1983-04-26 Pfizer Inc. Process for the preparation of penicillanic acid esters
US4321196A (en) * 1981-03-23 1982-03-23 Pfizer Inc. Bis-esters of methanediol with acetonides of ampicillin or amoxicillin and penicillanic acid 1,1-dioxide
IN157669B (ko) * 1981-03-23 1986-05-17 Pfizer
US4393001A (en) * 1981-03-23 1983-07-12 Pfizer Inc. Intermediates for production of 1,1-dioxopenicillanoyloxymethyl 6-(2-amino-2-phenylacetamido)penicillanates
US4376076A (en) * 1981-03-23 1983-03-08 Pfizer Inc. Bis-esters of 1,1-alkanediols with 6-beta-hydroxymethylpenicillanic acid 1,1-dioxide
US4582829A (en) * 1981-09-09 1986-04-15 Pfizer Inc. Antibacterial 6'-(2-amino-2-[4-acyloxyphenyl]acetamido)penicillanoyloxymethyl penicillanate 1,1-dioxide compounds
US4540687A (en) * 1981-09-09 1985-09-10 Pfizer Inc. Antibacterial 6'-(2-amino-2-[4-acyloxyphenyl]acetamido)penicillanoyloxymethyl penicillanate 1,1-dioxide compounds
ZA826687B (en) * 1981-09-14 1983-07-27 Pfizer Beta-lactamase inhibiting 2-beta-substituted-2-alpha-methyl 5(r)penam-3-alpha-carboxylic acid 1,1-dioxides and intermediates therefor
US4351840A (en) * 1981-09-18 1982-09-28 Pfizer Inc. Antibacterial esters of resorcinol with ampicillin and penicillanic acid 1,1-dioxide derivatives
US4359472A (en) * 1981-12-22 1982-11-16 Pfizer Inc. Bis-hydroxymethyl carbonate bridged antibacterial agents
US4457924A (en) * 1981-12-22 1984-07-03 Pfizer, Inc. 1,1-Alkanediol dicarboxylate linked antibacterial agents
US4452796A (en) * 1982-06-14 1984-06-05 Pfizer Inc. 6-Aminoalkylpenicillanic acid 1,1-dioxides as beta-lactamase inhibitors
EP0084730A1 (en) * 1982-01-22 1983-08-03 Beecham Group Plc Esters of penicillin derivatives with beta-lactamase inhibitors, their preparation and their use
US4444686A (en) * 1982-01-25 1984-04-24 Pfizer Inc. Crystalline penicillin ester intermediate
US4432987A (en) * 1982-04-23 1984-02-21 Pfizer Inc. Crystalline benzenesulfonate salts of sultamicillin
US4377590A (en) * 1982-05-10 1983-03-22 Pfizer Inc. Derivatives of ampicillin and amoxicillin with beta-lactamase inhibitors
US4428935A (en) 1982-05-24 1984-01-31 Pfizer Inc. Penicillanic acid dioxide prodrug
US4375434A (en) * 1982-06-21 1983-03-01 Pfizer Inc. Process for 6'-amino-penicillanoyloxymethyl penicillanate 1,1-dioxide
US4530792A (en) * 1982-11-01 1985-07-23 Pfizer Inc. Process and intermediates for preparation of 1,1-dioxopenicillanoyloxymethyl 6-beta-aminopenicillanate
US4868297A (en) * 1982-12-06 1989-09-19 Pfizer Inc. Process for preparing sultamicillin and analogs
US4462934A (en) * 1983-03-31 1984-07-31 Pfizer Inc. Bis-esters of dicarboxylic acids with amoxicillin and certain hydroxymethylpenicillanate 1,1-dioxides
US4536393A (en) * 1983-06-06 1985-08-20 Pfizer Inc. 6-(Aminomethyl)penicillanic acid 1,1-dioxide esters and intermediates therefor
JPS60214792A (ja) * 1984-04-06 1985-10-28 Taiho Yakuhin Kogyo Kk ペナム酸エステル誘導体
JPH01139584A (ja) * 1987-11-25 1989-06-01 Yoshitomi Pharmaceut Ind Ltd ペニシラン酸化合物の製造法
GB8808001D0 (en) * 1988-04-06 1988-05-05 Scras Stereospecific preparative process for furol(3,4-c)pyridine derivatives
GB8808701D0 (en) * 1988-04-13 1988-05-18 Erba Carlo Spa Beta-lactam derivatives
GB2231049A (en) * 1989-04-14 1990-11-07 Yoshitomi Pharmaceutical Method for producing diester compounds
KR910009271B1 (ko) * 1989-06-20 1991-11-08 김영설 1,1-디옥소페닐실라노일 옥시메틸 D-6-[α-(메틸렌아미노)페닐-아세트아미도]-페니실라네이트와 그의 파라-톨루엔술폰산염
ES2057876T3 (es) * 1990-04-13 1994-10-16 Pfizer Procedimiento para la obtencion de un intermedio de sultamicilina.
CN100384857C (zh) * 2003-11-28 2008-04-30 浙江永宁制药厂 耐β-内酰胺酶的头孢菌素酯化合物及其盐
IT202000031070A1 (it) 2020-12-16 2022-06-16 Paolo Bonomi Procedimento di sintesi di derivati ammidici dell’acido 8-idrossi penicillanico
CN115385934A (zh) * 2022-10-26 2022-11-25 北京纳百生物科技有限公司 一种舒巴坦半抗原及其合成方法和应用

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE34948B1 (en) * 1970-03-12 1975-10-01 Leo Pharm Prod Ltd New penicillin esters
GB1303491A (ko) * 1970-03-24 1973-01-17
GB1335718A (en) * 1971-05-05 1973-10-31 Leo Pharm Prod Ltd Penicillin esters salts thereof and methods for their preparation
US3838152A (en) * 1971-10-07 1974-09-24 American Home Prod Poly alpha-amino penicillins
DE2460477A1 (de) * 1973-12-26 1975-07-10 Yamanouchi Pharma Co Ltd Verbessertes verfahren zur herstellung von 6-alkoxy-substituierten penicillinen
GB1467604A (en) * 1974-06-27 1977-03-16 Toyama Chemical Co Ltd Bis-type penicillins and process for producing the same
GB1578128A (en) * 1976-03-30 1980-11-05 Leo Pharm Prod Ltd Amidinopenicillanoyloxyalkyl amoxycillinates
IN149747B (ko) * 1977-06-07 1982-04-03 Pfizer
IE49881B1 (en) 1979-02-13 1986-01-08 Leo Pharm Prod Ltd B-lactam intermediates
ZA80796B (en) * 1979-02-13 1981-02-25 Leo Pharm Prod Ltd Chemical compounds

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NZ193713A (en) 1984-05-31
JPS6318595B2 (ko) 1988-04-19
ATA258880A (de) 1982-05-15
PL224225A1 (ko) 1981-02-13
FR2477154A1 (fr) 1981-09-04
HK66787A (en) 1987-09-25
ES491534A0 (es) 1981-04-01
DK211880A (da) 1980-11-17
PT71248A (en) 1980-06-01
KR840000105B1 (ko) 1984-02-11
FR2456745A1 (fr) 1980-12-12
AU520066B2 (en) 1982-01-14
YU41925B (en) 1988-02-29
MX6717E (es) 1985-11-07
PL127434B1 (en) 1983-10-31
US4244951A (en) 1981-01-13
SE8003603L (sv) 1980-11-17
IT8022097A0 (it) 1980-05-15
IT1131187B (it) 1986-06-18
DE3018590A1 (de) 1980-11-20
AU5839680A (en) 1980-11-20
EG15129A (en) 1985-12-31
FI71742B (fi) 1986-10-31
BG35467A3 (en) 1984-04-15
BE883299A (fr) 1980-11-14
AR226062A1 (es) 1982-05-31
CS325280A3 (en) 1992-05-13
IL60074A (en) 1983-09-30
DK159786B (da) 1990-12-03
GB2051057B (en) 1983-02-09
GB2081269B (en) 1983-01-19
JPS55157589A (en) 1980-12-08
ATA16082A (de) 1984-08-15
ES8104300A1 (es) 1981-04-01
RO84151A (ro) 1984-05-23
HK66987A (en) 1987-09-25
GB2081269A (en) 1982-02-17
NO831025L (no) 1980-11-17
FR2477154B1 (ko) 1983-08-19
SU1122228A3 (ru) 1984-10-30
PH16554A (en) 1983-11-16
AT377522B (de) 1985-03-25
RO84151B (ro) 1984-07-30
CA1200545A (en) 1986-02-11
NO831026L (no) 1980-11-17
FI801546A (fi) 1980-11-17
FR2456745B1 (ko) 1983-08-19
GB2051057A (en) 1981-01-14
IL60074A0 (en) 1980-07-31
SU1122226A3 (ru) 1984-10-30
IN154371B (ko) 1984-10-20
IE801007L (en) 1980-11-16
PL127283B1 (en) 1983-10-31
LU82452A1 (fr) 1980-12-16
RO80220A (ro) 1982-10-26
DK159786C (da) 1991-04-22
GT198063473A (es) 1981-11-07
NO801415L (no) 1980-11-17
NL8002793A (nl) 1980-11-18
IE49892B1 (en) 1986-01-08
GR68468B (ko) 1982-01-04
ZA801885B (en) 1981-04-29
KE3460A (en) 1984-10-12
CH646177A5 (de) 1984-11-15
HU184754B (en) 1984-10-29
MY8500324A (en) 1985-12-31
FI71742C (fi) 1987-02-09
DD150898A5 (de) 1981-09-23
PH15539A (en) 1983-02-09
YU130380A (en) 1983-02-28
PH15706A (en) 1983-03-14
MY8500322A (en) 1985-12-31
DE3050440A1 (ko) 1982-07-29
SE449749B (sv) 1987-05-18
SG56284G (en) 1985-03-08
AT369373B (de) 1982-12-27
ECSP941080A (es) 1995-02-27
KE3457A (en) 1984-10-12
CS276964B6 (en) 1992-11-18

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