and with a nitrogen atom directly attached in position 3

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C07D205/095

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CCHEMISTRY METALLURGY C07Organic chemistry C07DHETEROCYCLIC COMPOUNDS C07D205/00Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom

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C07D205/095and with a nitrogen atom directly attached in position 3

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Patents Grantslast 30 patents

Information Patent Grant
Methods of synthesizing aztreonam derivatives
- Patent number 11,565,999
- Issue date Jan 31, 2023
- Arixa Pharmaceuticals, Inc.
- Eric M. Gordon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compounds and method for preparing 3-methylcephams
- Patent number 6,908,996
- Issue date Jun 21, 2005
- Imperial College of London
- Robin D. G. Cooper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for and synthesis of 3-methylene cephams
- Patent number 6,683,176
- Issue date Jan 27, 2004
- Robin D. G. Cooper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing .beta.-lactam derivatives
- Patent number 6,150,519
- Issue date Nov 21, 2000
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing .beta.-lactam halide compound
- Patent number 6,011,151
- Issue date Jan 4, 2000
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibiotic synthesis
- Patent number 5,998,612
- Issue date Dec 7, 1999
- Paul J. Reider
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of .beta.-lactam compounds
- Patent number 5,986,091
- Issue date Nov 16, 1999
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclization for preparing halo-cephems
- Patent number 5,929,233
- Issue date Jul 27, 1999
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ozonide reducing agent
- Patent number 5,770,729
- Issue date Jun 23, 1998
- Otsuka Kagaku Kabushiki Kaisha
- Michio Sasaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.beta.-lactam and cephem compounds and processes for their production
- Patent number 5,693,792
- Issue date Dec 2, 1997
- Otsuga Kagaku Kabushiki Kaisha
- Shigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cephem compounds
- Patent number 5,656,754
- Issue date Aug 12, 1997
- Otsuka Kagaku Kabushiki Kaisha
- Shigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of 2-chloro sulfinyl azetidinones
- Patent number 5,604,222
- Issue date Feb 18, 1997
- Lupin Laboratories, Ltd.
- Niranjan L. Gupta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidinone derivatives and method for producing azetidinone and ce...
- Patent number 5,596,096
- Issue date Jan 21, 1997
- Meiji Seika Kaisha, Ltd.
- Osamu Sakanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing examethylenecephem compounds
- Patent number 5,470,972
- Issue date Nov 28, 1995
- Otsuka Kagaku Kabushiki Kaisha
- Shigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amides of 4-oxo-azetidine-2-sulfonic acids and salts thereof, proce...
- Patent number 5,466,686
- Issue date Nov 14, 1995
- PLIVA and PLIVA Handels GmbH
- Mice Kovacevic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3,4 substituted and bicyclic derivatives of 2-azetidinones and pr...
- Patent number 5,453,502
- Issue date Sep 26, 1995
- Eli Lilly and Company
- James A. Aikins
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing azetidinone and cephalosporin derivatives
- Patent number 5,405,955
- Issue date Apr 11, 1995
- Meiji Seika Kaisha, Ltd.
- Osamu Sakanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-chlorosulfinylazetidinone
- Patent number 5,347,000
- Issue date Sep 13, 1994
- Ranbaxy Laboratories Ltd.
- Jag M. Khanna
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidin-2-one derivatives as serine protease inhibitors
- Patent number 5,326,863
- Issue date Jul 5, 1994
- Bristol-Myers Squibb Company
- William T. Han
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for making cephems from allenylazetidinone derivatives
- Patent number 5,266,691
- Issue date Nov 30, 1993
- Bristol-Myers Squibb Company
- Vittorio Farino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-oxo-azetidine-2-sulfonic acids and their salts, processes for the...
- Patent number 5,250,525
- Issue date Oct 5, 1993
- Pliva Handels GmbH
- Mice Kovacevic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidin-2-one derivatives as serine protease inhibitors
- Patent number 5,250,677
- Issue date Oct 5, 1993
- Bristol-Myers Squibb Company
- William T. Han
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidin-2-one derivatives as serine protease inhibitors
- Patent number 5,175,283
- Issue date Dec 29, 1992
- Bristol-Myers Squibb Company
- William T. Han
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for making cephems from allenylazetidinone derivatives
- Patent number 5,162,524
- Issue date Nov 10, 1992
- Bristol-Myers Squibb Company
- Vittorio Farina
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 7-amino-3-((Z)-1-propen-1yl)-3-cephe...
- Patent number 5,132,419
- Issue date Jul 21, 1992
- Bayer Aktiengesellschaft
- Joachim Lanz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of .beta.-lactam derivative from an alkenyl...
- Patent number 5,126,447
- Issue date Jun 30, 1992
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidin-2-one derivatives as serine protease inhibitors
- Patent number 5,110,812
- Issue date May 5, 1992
- Bristol-Myers Squibb Co.
- Willima T. W. Han
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-substituted azetidinones
- Patent number 5,106,475
- Issue date Apr 21, 1992
- Eli Lilly and Company
- John M. Morin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for (3S,4R)-3-[1(R)-t-butyl-dimethylsilyloxy)-ethyl]-4-[1...
- Patent number 5,075,439
- Issue date Dec 24, 1991
- Pfizer Inc.
- Frank R. Busch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ring-opening process for preparation of 2-chlorosulfinyl azetidinones
- Patent number 5,070,195
- Issue date Dec 3, 1991
- Ranbaxy Laboratories Limited
- Jag M. Khanna
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHODS OF SYNTHESIZING AZTREONAM DERIVATIVES
- Publication number 20200339507
- Publication date Oct 29, 2020
- ARIXA PHARMACEUTICALS, INC.
- ERIC M. GORDON
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PRODRUG DERIVATIVES OF ACIDS USING ALCOHOLS WITH HOMOTOPIC HYDROXY...
- Publication number 20100228015
- Publication date Sep 9, 2010
- Mitchell A. deLong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Prodrug derivatives of acids using alcohols with homotopic hydroxy...
- Publication number 20070254920
- Publication date Nov 1, 2007
- Aerie Pharmaceuticals, Inc.
- Mitchell A. deLong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process and ester derivatives useful for preparation of cephalosporins
- Publication number 20040267008
- Publication date Dec 30, 2004
- Pfizer Inc.
- Juan C. Colberg
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel compounds and method for preparing 3-methylcephams
- Publication number 20040106790
- Publication date Jun 3, 2004
- Robin D.G. Cooper
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Intermediates for and synthesis of 3-methylene cephams
- Publication number 20030036650
- Publication date Feb 20, 2003
- Robin D.G. Cooper
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process and ester derivatives useful for preparation of cephalosporins
- Publication number 20020099205
- Publication date Jul 25, 2002
- Pfizer Inc.
- Juan C. Colberg
- C07 - ORGANIC CHEMISTRY

and with a nitrogen atom directly attached in position 3

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods of synthesizing aztreonam derivatives

Compounds and method for preparing 3-methylcephams

Intermediates for and synthesis of 3-methylene cephams

Process for preparing .beta.-lactam derivatives

Process for preparing .beta.-lactam halide compound

Antibiotic synthesis

Process for preparation of .beta.-lactam compounds

Cyclization for preparing halo-cephems

Ozonide reducing agent

.beta.-lactam and cephem compounds and processes for their production

Process for preparing cephem compounds

Method for the preparation of 2-chloro sulfinyl azetidinones

Azetidinone derivatives and method for producing azetidinone and ce...

Process for preparing examethylenecephem compounds

Amides of 4-oxo-azetidine-2-sulfonic acids and salts thereof, proce...

1,3,4 substituted and bicyclic derivatives of 2-azetidinones and pr...

Method for producing azetidinone and cephalosporin derivatives

Process for the preparation of 2-chlorosulfinylazetidinone

Azetidin-2-one derivatives as serine protease inhibitors

Processes for making cephems from allenylazetidinone derivatives

4-oxo-azetidine-2-sulfonic acids and their salts, processes for the...

Azetidin-2-one derivatives as serine protease inhibitors

Azetidin-2-one derivatives as serine protease inhibitors

Processes for making cephems from allenylazetidinone derivatives

Process for the preparation of 7-amino-3-((Z)-1-propen-1yl)-3-cephe...

Process for preparation of .beta.-lactam derivative from an alkenyl...

Azetidin-2-one derivatives as serine protease inhibitors

Process for preparing 4-substituted azetidinones

Processes for (3S,4R)-3-[1(R)-t-butyl-dimethylsilyloxy)-ethyl]-4-[1...

Ring-opening process for preparation of 2-chlorosulfinyl azetidinones

Patents Applicationslast 30 patents

METHODS OF SYNTHESIZING AZTREONAM DERIVATIVES

PRODRUG DERIVATIVES OF ACIDS USING ALCOHOLS WITH HOMOTOPIC HYDROXY...

Prodrug derivatives of acids using alcohols with homotopic hydroxy...

Process and ester derivatives useful for preparation of cephalosporins

Novel compounds and method for preparing 3-methylcephams

Intermediates for and synthesis of 3-methylene cephams

Process and ester derivatives useful for preparation of cephalosporins