SG56284G - Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide - Google Patents

Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide

Info

Publication number: SG56284G
Authority: SG; Singapore
Prior art keywords: methanediol; penicillins; bis; esters; dioxide
Prior art date: 1979-05-16

Application number

SG562/84A

Other languages

English (en)

Original Assignee

Pfizer

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.)

1979-05-16

Filing date

1984-08-13

Publication date

1985-03-08

1984-08-13 Application filed by Pfizer filed Critical Pfizer

1985-03-08 Publication of SG56284G publication Critical patent/SG56284G/en

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
- 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

Landscapes

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)
Bioinformatics & Cheminformatics (AREA)
Engineering & Computer Science (AREA)
Diabetes (AREA)
Cardiology (AREA)
Communicable Diseases (AREA)
Oncology (AREA)
Heart & Thoracic Surgery (AREA)
Hematology (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Cephalosporin Compounds (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

SG562/84A 1979-05-16 1984-08-13 Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide SG56284G (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
SG56284G true SG56284G (en)	1985-03-08

Family

ID=21906015

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SG562/84A SG56284G (en)	1979-05-16	1984-08-13	Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide

Country Status (44)

Country	Link
US (1)	US4244951A (el)
JP (1)	JPS55157589A (el)
KR (1)	KR840000105B1 (el)
AR (1)	AR226062A1 (el)
AT (2)	AT369373B (el)
AU (1)	AU520066B2 (el)
BE (1)	BE883299A (el)
BG (1)	BG35467A3 (el)
CA (1)	CA1200545A (el)
CH (1)	CH646177A5 (el)
CS (1)	CS276964B6 (el)
DD (1)	DD150898A5 (el)
DE (2)	DE3050440A1 (el)
DK (1)	DK159786C (el)
EC (1)	ECSP941080A (el)
EG (1)	EG15129A (el)
ES (1)	ES491534A0 (el)
FI (1)	FI71742C (el)
FR (2)	FR2456745A1 (el)
GB (2)	GB2081269B (el)
GR (1)	GR68468B (el)
GT (1)	GT198063473A (el)
HK (2)	HK66987A (el)
HU (1)	HU184754B (el)
IE (1)	IE49892B1 (el)
IL (1)	IL60074A (el)
IN (1)	IN154371B (el)
IT (1)	IT1131187B (el)
KE (2)	KE3460A (el)
LU (1)	LU82452A1 (el)
MX (1)	MX6717E (el)
MY (2)	MY8500322A (el)
NL (1)	NL8002793A (el)
NO (3)	NO801415L (el)
NZ (1)	NZ193713A (el)
PH (3)	PH16554A (el)
PL (2)	PL127434B1 (el)
PT (1)	PT71248A (el)
RO (2)	RO80220A (el)
SE (1)	SE449749B (el)
SG (1)	SG56284G (el)
SU (2)	SU1122226A3 (el)
YU (1)	YU41925B (el)
ZA (1)	ZA801885B (el)

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 (el) *	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
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 (el) *	1981-03-23	1986-05-17	Pfizer
US4376076A (en) *	1981-03-23	1983-03-08	Pfizer Inc.	Bis-esters of 1,1-alkanediols with 6-beta-hydroxymethylpenicillanic acid 1,1-dioxide
US4393001A (en) *	1981-03-23	1983-07-12	Pfizer Inc.	Intermediates for production of 1,1-dioxopenicillanoyloxymethyl 6-(2-amino-2-phenylacetamido)penicillanates
US4381263A (en) *	1981-03-23	1983-04-26	Pfizer Inc.	Process for the preparation of penicillanic acid esters
US4540687A (en) *	1981-09-09	1985-09-10	Pfizer Inc.	Antibacterial 6'-(2-amino-2-[4-acyloxyphenyl]acetamido)penicillanoyloxymethyl penicillanate 1,1-dioxide compounds
US4582829A (en) *	1981-09-09	1986-04-15	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
DE69103003T2 (de) *	1990-04-13	1994-11-03	Pfizer Inc., Groton, Conn.	Verfahren für sultamicillinzwischenprodukt.
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 (el) *	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 (el) *	1977-06-07	1982-04-03	Pfizer
ZA80796B (en) *	1979-02-13	1981-02-25	Leo Pharm Prod Ltd	Chemical compounds
IE49881B1 (en) *	1979-02-13	1986-01-08	Leo Pharm Prod Ltd	B-lactam intermediates

1979
- 1979-05-16 US US06/039,539 patent/US4244951A/en not_active Expired - Lifetime
1980
- 1980-03-31 ZA ZA00801885A patent/ZA801885B/xx unknown
- 1980-04-22 IN IN290/DEL/80A patent/IN154371B/en unknown
- 1980-05-08 HU HU801136A patent/HU184754B/hu unknown
- 1980-05-08 CS CS803252A patent/CS276964B6/cs not_active IP Right Cessation
- 1980-05-08 SU SU802921352A patent/SU1122226A3/ru active
- 1980-05-09 RO RO80101076A patent/RO80220A/ro unknown
- 1980-05-09 BG BG047702A patent/BG35467A3/xx unknown
- 1980-05-09 RO RO108682A patent/RO84151B/ro unknown
- 1980-05-13 SE SE8003603A patent/SE449749B/sv not_active IP Right Cessation
- 1980-05-13 NO NO801415A patent/NO801415L/no unknown
- 1980-05-13 FI FI801546A patent/FI71742C/fi not_active IP Right Cessation
- 1980-05-13 CA CA000351802A patent/CA1200545A/en not_active Expired
- 1980-05-14 DE DE19803050440 patent/DE3050440A1/de active Pending
- 1980-05-14 DK DK211880A patent/DK159786C/da active
- 1980-05-14 ES ES491534A patent/ES491534A0/es active Granted
- 1980-05-14 NL NL8002793A patent/NL8002793A/nl not_active Application Discontinuation
- 1980-05-14 AU AU58396/80A patent/AU520066B2/en not_active Expired
- 1980-05-14 IL IL60074A patent/IL60074A/xx unknown
- 1980-05-14 PL PL1980224225A patent/PL127434B1/pl unknown
- 1980-05-14 DE DE19803018590 patent/DE3018590A1/de not_active Withdrawn
- 1980-05-14 PL PL1980230846A patent/PL127283B1/pl unknown
- 1980-05-14 GR GR61944A patent/GR68468B/el unknown
- 1980-05-14 AR AR281014A patent/AR226062A1/es active
- 1980-05-14 AT AT0258880A patent/AT369373B/de active
- 1980-05-14 MX MX808811U patent/MX6717E/es unknown
- 1980-05-14 PH PH24029A patent/PH16554A/en unknown
- 1980-05-14 CH CH380680A patent/CH646177A5/de not_active IP Right Cessation
- 1980-05-14 LU LU82452A patent/LU82452A1/fr unknown
- 1980-05-14 FR FR8010886A patent/FR2456745A1/fr active Granted
- 1980-05-14 NZ NZ193713A patent/NZ193713A/en unknown
- 1980-05-14 BE BE0/200615A patent/BE883299A/fr not_active IP Right Cessation
- 1980-05-15 IE IE1007/80A patent/IE49892B1/en not_active IP Right Cessation
- 1980-05-15 IT IT22097/80A patent/IT1131187B/it active
- 1980-05-15 YU YU1303/80A patent/YU41925B/xx unknown
- 1980-05-15 JP JP6465480A patent/JPS55157589A/ja active Granted
- 1980-05-15 GB GB8127095A patent/GB2081269B/en not_active Expired
- 1980-05-15 GB GB8016136A patent/GB2051057B/en not_active Expired
- 1980-05-15 KR KR1019800001917A patent/KR840000105B1/ko active
- 1980-05-15 PT PT71248A patent/PT71248A/pt unknown
- 1980-05-16 GT GT198063473A patent/GT198063473A/es unknown
- 1980-05-16 DD DD80221170A patent/DD150898A5/de unknown
- 1980-05-17 EG EG308/80A patent/EG15129A/xx active
1981
- 1981-02-20 FR FR8103436A patent/FR2477154A1/fr active Granted
- 1981-04-27 SU SU813274747A patent/SU1122228A3/ru active
- 1981-04-27 PH PH25556A patent/PH15539A/en unknown
- 1981-04-27 PH PH25555A patent/PH15706A/en unknown
1982
- 1982-01-18 AT AT0016082A patent/AT377522B/de not_active IP Right Cessation
1983
- 1983-03-23 NO NO831025A patent/NO831025L/no unknown
- 1983-03-23 NO NO831026A patent/NO831026L/no unknown
1984
- 1984-08-13 SG SG562/84A patent/SG56284G/en unknown
- 1984-09-24 KE KE3460A patent/KE3460A/xx unknown
- 1984-09-24 KE KE3457A patent/KE3457A/xx unknown
1985
- 1985-12-30 MY MY322/85A patent/MY8500322A/xx unknown
- 1985-12-30 MY MY324/85A patent/MY8500324A/xx unknown
1987
- 1987-09-17 HK HK669/87A patent/HK66987A/xx not_active IP Right Cessation
- 1987-09-17 HK HK667/87A patent/HK66787A/xx not_active IP Right Cessation
1994
- 1994-05-05 EC EC1994001080A patent/ECSP941080A/es unknown

Also Published As

Publication number	Publication date
ATA16082A (de)	1984-08-15
PH15706A (en)	1983-03-14
YU41925B (en)	1988-02-29
NO801415L (no)	1980-11-17
IE801007L (en)	1980-11-16
JPS6318595B2 (el)	1988-04-19
MY8500324A (en)	1985-12-31
AT369373B (de)	1982-12-27
CS325280A3 (en)	1992-05-13
RO84151B (ro)	1984-07-30
DD150898A5 (de)	1981-09-23
JPS55157589A (en)	1980-12-08
NO831025L (no)	1980-11-17
FR2456745B1 (el)	1983-08-19
IT8022097A0 (it)	1980-05-15
PT71248A (en)	1980-06-01
FI71742C (fi)	1987-02-09
PL224225A1 (el)	1981-02-13
DE3050440A1 (el)	1982-07-29
DK211880A (da)	1980-11-17
KR830002772A (ko)	1983-05-30
IN154371B (el)	1984-10-20
GB2051057B (en)	1983-02-09
ECSP941080A (es)	1995-02-27
GB2081269B (en)	1983-01-19
SU1122226A3 (ru)	1984-10-30
EG15129A (en)	1985-12-31
GB2051057A (en)	1981-01-14
DE3018590A1 (de)	1980-11-20
PH15539A (en)	1983-02-09
YU130380A (en)	1983-02-28
KE3457A (en)	1984-10-12
BG35467A3 (en)	1984-04-15
AU5839680A (en)	1980-11-20
KR840000105B1 (ko)	1984-02-11
IL60074A (en)	1983-09-30
DK159786B (da)	1990-12-03
PL127434B1 (en)	1983-10-31
KE3460A (en)	1984-10-12
RO80220A (ro)	1982-10-26
SE449749B (sv)	1987-05-18
FI71742B (fi)	1986-10-31
CS276964B6 (en)	1992-11-18
US4244951A (en)	1981-01-13
HU184754B (en)	1984-10-29
CH646177A5 (de)	1984-11-15
AR226062A1 (es)	1982-05-31
SE8003603L (sv)	1980-11-17
RO84151A (ro)	1984-05-23
IL60074A0 (en)	1980-07-31
MX6717E (es)	1985-11-07
LU82452A1 (fr)	1980-12-16
ES8104300A1 (es)	1981-04-01
DK159786C (da)	1991-04-22
PL127283B1 (en)	1983-10-31
NO831026L (no)	1980-11-17
MY8500322A (en)	1985-12-31
ES491534A0 (es)	1981-04-01
IT1131187B (it)	1986-06-18
PH16554A (en)	1983-11-16
FR2477154B1 (el)	1983-08-19
HK66987A (en)	1987-09-25
FR2456745A1 (fr)	1980-12-12
IE49892B1 (en)	1986-01-08
NZ193713A (en)	1984-05-31
FI801546A (fi)	1980-11-17
BE883299A (fr)	1980-11-14
CA1200545A (en)	1986-02-11
AT377522B (de)	1985-03-25
FR2477154A1 (fr)	1981-09-04
ATA258880A (de)	1982-05-15
ZA801885B (en)	1981-04-29
GT198063473A (es)	1981-11-07
AU520066B2 (en)	1982-01-14
GR68468B (el)	1982-01-04
HK66787A (en)	1987-09-25
SU1122228A3 (ru)	1984-10-30
GB2081269A (en)	1982-02-17
NL8002793A (nl)	1980-11-18

Publication	Publication Date	Title
GB2051057B (en)	1983-02-09	Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
AU527916B2 (en)	1983-03-31	Bis-esters of methanediol with acetonides of ampicilli or amoxicillin and penicillanic acid 1,1-dioxide
PT68511A (en)	1978-10-01	Process for the preparation of a d-alpha-amino- (p-hydroxyphenyl)-acetamido group containing penicillanic acid and cephalosporanic acid derivatives.
JPS55154977A (en)	1980-12-02	Penicillanic acid derivative* its manufacture and use
EG14437A (en)	1984-09-30	Process and intermediates for penicillanic acid 1,1-dioxide and esters thereof
ZA80646B (en)	1981-02-25	Process and intermediates for penicillanic acid,1,1-dioxide and esters thereof
GB2001985B (en)	1982-07-07	Process for the preparation of penicillanic and cephalosporanic acid derivatives
JPS57122089A (en)	1982-07-29	Manufacture of penicillanic acid sulfone derivatives
PH17002A (en)	1984-05-11	Bis-esters of methanediol with acetonides of ampicillin or amoxicillin and penicillanic acid 1,1-dioxide
NZ193020A (en)	1982-11-23	Preparation of penicillanic acid 1,1-dioxide and intermediates therefor
GB2051055B (en)	1983-03-02	6-haloalkylsulphonyloxy penicillanic acid derivatives and reactions thereof
NZ190797A (en)	1982-08-17	Combination of penicillanic 1,1-dioxide and 7-(d-2-(4-ethylpiperazin-2 3-dione-1-carboxamido)-2-(4-hydroxphenyl)acetamido)-3-(1-methyl-5-tetrazolyl)-thiomethyl-3-desacetoxymethylcephalosporanic acid
BA97159B1 (bs)	1998-12-28	Postupak za dobivanje 1,1-dioksida penicilanske kiseline i njegovih estara
PH19472A (en)	1986-05-14	Process and intermediates for penicillanic acid 1,1-dioxide and esters thereof
GB2037275B (en)	1983-01-19	Production of penicillins
ZA773499B (en)	1979-01-31	Derivatives of penicillanic acid
JPS55105687A (en)	1980-08-13	Manufacture of ddalphaaamidoopphydroxyphenyl*acetoamido group contained penicillanic acid and cephalosporanic acid derivative