C07D 205 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom

Patents for C07D 205 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom (6,868)
11/1977
11/15/1977	US4058521 Bactericides
11/08/1977	US4057644 Active derivatives of methylamine in therapeutic compositions and methods of use
11/08/1977	US4057540 Bactericide
11/08/1977	US4057432 Acylacetanilide coupler with heterocyclic diacyl amino coupling-off group
11/01/1977	US4056521 Penicillins, bactericide
10/1977
10/04/1977	US4052511 Angiotensin converting enzyme inhibitors
10/04/1977	US4052408 Oxyacetic acid compounds and process for their manufacture
10/04/1977	US4052387 Method of preparation of 3-methylenecephams
10/04/1977	US4052383 N-diphenylalkyl-2-benzyl azacyclic compounds
09/1977
09/13/1977	US4048162 Process for preparing 3-hydroxy cephalosporins
09/13/1977	US4048157 Cephalosporin antibiotics
09/06/1977	US4046889 Azetidine-2-carboxylic acid derivatives
08/1977
08/02/1977	US4039530 Thioamides
07/1977
07/19/1977	US4036847 Antibacterial
07/19/1977	US4036833 7-[(5'-N-methylthioacetamido)-adipoamido] cephalosporin derivatives
07/12/1977	US4035362 Methods for preparing cephalosporins
06/1977
06/21/1977	US4031225 4H-Benzo[4,5]cyclohepta[1,2-b]thiophenes
06/14/1977	US4029645 Mercury intermediates useful in the preparation of 2-alkoxy cephalosporins
05/1977
05/17/1977	US4024175 Gabapentin, 1-Aminomethyl-1-cyclohexane-acetic acid
05/17/1977	US4024152 4-Dithio-3-imido-azetidin-2-ones
05/03/1977	US4021222 Thiol carbamates
04/1977
04/19/1977	US4018782 1-oxapenicillins, antibiotics
04/12/1977	US4017488 Process for preparing 7β-acylamino-7α-alkoxycephalosporins
03/1977
03/29/1977	US4014935 Heating an aromatic polyisocyanate in a phosphorus compound
03/29/1977	US4014872 Antibiotics
03/22/1977	US4013653 1-oxacephems
03/22/1977	US4013648 Beta-lactam antibiotics
03/15/1977	US4012383 Bactericides
03/15/1977	US4012381 Process for preparing cephalosporins and intermediates
03/08/1977	US4011238 2-imidazolidione derivatives
03/08/1977	US4011216 Δ2,3-0-2-Isocephem-4-carboxylic acid and derivatives thereof as antibacterial agents
03/01/1977	US4010273 5-sulfamoylbenzoic acid derivatives carrying a heterocyclic substituent
02/1977
02/22/1977	US4009159 Penicillins
02/15/1977	US4008230 Process for preparing 3-hydroxy cephalosporins
02/08/1977	US4007202 Cephalosporin intermediates
01/1977
01/04/1977	US4001217 Herbicides
12/1976
12/28/1976	US4000154 3-Substituted-6β-(amino- and acylamino)-7-oxo-1,3-diazabicyclo[3.2.0]-h
12/21/1976	US3998950 7-αHydrazinoacetamido derivatives of cephalosporanic
12/21/1976	US3998808 Insecticides, fungicides
12/14/1976	US3997533 Process for the preparation of 7-acylamino-desacetoxycephalosporanic derivatives
11/1976
11/30/1976	US3994972 Synthesis of N,N',N",N'"-tetra-salicylidene pentaerythrityl tetramine
11/23/1976	US3993689 Sweeteners
11/23/1976	US3993646 Process for the ring expansion of penicillins to cephalosporin compounds
11/09/1976	US3991069 Chemical intermediates for production of cephalosporins, penicillins and other antibiotics
10/1976
10/26/1976	US3988450 Antibacterial
10/19/1976	US3987039 Antibacterial
10/12/1976	US3985764 Production of fused oxazoline azetidinones
09/1976
09/28/1976	US3983245 Coronary vasodilators
08/1976
08/17/1976	US3975383 Microbiocide
08/10/1976	US3974154 3-Benzyl-7-amino-3-cephem-4-carboxylic acid, the tertiary butyl ester, or the pharmaceutically acceptable salts thereof
06/1976
06/29/1976	US3966738 Azetidine derivatives
06/08/1976	US3962276 Azetidinone acetic acid intermediates for 5-epi-penicillins
06/01/1976	US3960851 Preparation of desacetoxy-cephalosporin sulfoxides from penicillin sulfoxides
05/1976
05/25/1976	US3959267 Microbiocides, chemical intermediates
05/25/1976	US3959266 Process for the conversion of penicillin S-oxide into a corresponding desatoxycephalosporin
05/25/1976	US3958974 Herbicidal N-aryl substituted azetidinones
05/18/1976	US3957823 Electrophilic substitution of nitrosamines
05/11/1976	US3956067 Peptides
05/04/1976	US3954732 Bactericidal penicillins
04/1976
04/27/1976	US3953424 Intermediates for b-lactam antibiotics
04/20/1976	US3951951 Cephalosporin intermediates
04/13/1976	US3950352 2,2-Dimethyl-3R-carboxy-6S-phenyl(or phenoxy)acetamido-1-oxa-4-aza-5R-bicyclo[3,2,0]heptan-7-one and processes for their production
04/06/1976	US3948927 Antibiotic intermediate
03/1976
03/16/1976	US3944545 Process for preparing desacetoxycephalosporins
03/09/1976	US3943123 Antibiotic
02/1976
02/17/1976	US3939157 Microbiocides
02/17/1976	US3939151 Bactericide
02/03/1976	US3936444 Production of aryl lactam-hydrazones

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