| Patents for C07D 499 - 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 (3,448) |
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| 01/31/1978 | US4071527 Certain benzothiazole compounds |
| 01/24/1978 | US4070477 2-Penem compounds |
| 01/10/1978 | US4068072 Process for production of 6-aminopenicillanic acid or 7-aminocephalosporanic acid derivatives |
| 01/10/1978 | US4068071 Process for producing 6-aminopenicillanic acid or 7-aminocephalosporanic acid derivatives |
| 01/10/1978 | US4067993 Antimicrobial 2-nitro-3-phenylbenzofurancarboxylic acids |
| 01/10/1978 | US4067986 Novel penicillanic acid |
| 01/10/1978 | US4067858 Acid derivative immobilized cephalosporin carboxylic carrying polymer |
| 01/03/1978 | US4066782 Antimicrobial (2-nitro-3-benzofuranyl)phenylacetic acids |
| 01/03/1978 | US4066664 Intermediates for preparing α-carboxy-α-(3-thienyl)penicillin and cephalosporin derivatives |
| 01/03/1978 | US4066657 2-[(Carboxy)(triphenylmethylamino)methyl]-5,5-dimethyl-3-thiazoline |
| 01/03/1978 | US4066640 Methampicillin lysinate and its method of manufacture |
| 12/20/1977 | US4064346 3-Acetoxymethyl-7β-(2-carboxy-methoxyimino-2-arylacetamido)ceph-3-em-4-carboxylic acids and salts thereof |
| 12/20/1977 | US4064137 Penicillin and cephalosporin derivatives and process for preparing the same |
| 12/13/1977 | US4062842 Method for preparing 7-substituted cephalosporins and 6-substituted penicillins by replacement of sulfur-containing groups |
| 12/06/1977 | US4061630 7-Substituted-ureido-3-carbamoyloxymethyl cephalosporin antibiotics |
| 12/06/1977 | US4061629 6-Amino-6-arylthio penicillanic acids and derivatives thereof |
| 12/06/1977 | US4061628 Intermediates for producing semi-synthetic penicillins and cephalosporins and methods of production |
| 11/29/1977 | US4060536 From urea and hexamethyl disilazane acid catalyst |
| 11/29/1977 | US4060530 Clavulanic acid amides |
| 11/29/1977 | US4060524 Bactericide |
| 11/22/1977 | US4059573 Extraction of N-blocked amino acids from aqueous media |
| 11/15/1977 | US4058660 Reacting 3-trimethylsilyl-2-oxazolidinone |
| 11/15/1977 | US4058521 Bactericides |
| 11/08/1977 | US4057544 α-Alkylsulfobenzyl penicillins |
| 11/01/1977 | US4056521 Penicillins, bactericide |
| 10/11/1977 | US4053609 Penicillins and processes for preparing the same |
| 10/11/1977 | US4053470 Substituted-1,2-dihydro-2-oxonicotinyl-cephalosporins |
| 10/11/1977 | US4053468 Oxidation of amino derivatives |
| 10/11/1977 | US4053360 Amoxycillin |
| 10/04/1977 | US4052408 Oxyacetic acid compounds and process for their manufacture |
| 09/27/1977 | US4051320 Process for preparing alkoxylated derivatives of cephalosporin compounds |
| 09/27/1977 | US4051126 Process for the preparation of 6-alkoxy-substituted penicillins |
| 09/13/1977 | US4048320 Penicillins |
| 09/13/1977 | US4048158 Bactericides, shelf life |
| 09/06/1977 | US4046904 Antibacterial |
| 09/06/1977 | US4046903 Organometallic derivatives of penicillin |
| 09/06/1977 | US4046759 Intermediates for cephalosporins |
| 08/23/1977 | US4044000 Substituted β-lactam antibiotics |
| 08/09/1977 | US4041029 Acylimine cephalosporins |
| 08/02/1977 | US4039673 Penicillins and cephalosporins and their production |
| 08/02/1977 | US4039533 4-(Tetrazol-5-yl)-Δ3 -cephem compounds |
| 08/02/1977 | US4039532 4-(Tetrazol-5-yl)-Δ3 -cephem compounds |
| 07/26/1977 | US4038271 [[[(2,4-Dioxo-1-imidazolidinyl)amino]-carbonyl]amino]acetylpenicillin derivatives |
| 07/19/1977 | US4036847 Antibacterial |
| 07/19/1977 | US4036846 3-Hydroxy and 3-acetoxy-6-triphenyl-methylaminopenams |
| 07/19/1977 | US4036829 Lactonyl esters of penicillins |
| 07/12/1977 | US4035502 Antibacterial |
| 07/12/1977 | US4035381 Antibacterial agents |
| 07/12/1977 | US4035359 6α, β-Substituted penicillin derivatives |
| 07/12/1977 | US4035354 Thioamides of beta-lactam antibiotics |
| 07/12/1977 | US4035352 Preparation of 7-substituted amino-desacetoxycephalosporanic acid compounds |
| 07/05/1977 | US4033979 Reduction of nitrile to amine, penicillins, cephalosporins |
| 07/05/1977 | US4033950 Antibiotics |
| 06/21/1977 | US4031230 Novel penicillins and their preparation |
| 06/21/1977 | US4031229 Penicillins and processes for their preparation and use |
| 06/21/1977 | US4031077 Antibacterial 3-phosphono penams |
| 06/21/1977 | US4031076 Antibiotics; penicillins |
| 06/14/1977 | US4029806 Nitro-β-lactam antibiotics and processes for their preparation and use |
| 06/14/1977 | US4029805 Bactericides |
| 06/14/1977 | US4029669 6-Benzalimino-6-arylthio penicillanic acids and derivatives thereof |
| 06/07/1977 | US4028360 Bactericides |
| 05/31/1977 | US4026881 6-(D-2-[4-hydroxy-1,5-naphthyridine-3-carboxamido]-2-[4-hydroxyphenyl]acetamido)-2,2-dimethyl-3-(5-tetrazolyl)penam |
| 05/24/1977 | US4025622 Novel sugar ureide and thioureide derivatives |
| 05/24/1977 | US4025506 Broad spectrum antibiotics |
| 05/24/1977 | US4025504 Broad Spectrum antibiotics |
| 05/17/1977 | US4024244 Amoxicillin derivatives |
| 05/17/1977 | US4024152 4-Dithio-3-imido-azetidin-2-ones |
| 05/17/1977 | US4024137 Antibiotic |
| 05/17/1977 | US4024133 7β-[2-Etherified oximino-2-(thienyl-,furyl- or pyridylacetamido)]cephalosporins |
| 05/17/1977 | US4024130 Process for the manufacture of alkali metal salts of 6-[2-phenyl-2-(imidoylaminoalkanoylamino)acetamido]penicillanic acids |
| 05/17/1977 | US4024129 Process for the preparation of heterocyclic compounds |
| 05/10/1977 | US4022773 7-acylamino-3-substituted-3-cephem-4-carboxylic acids, 1-oxides |
| 05/03/1977 | US4021426 Oxalyl halide, acid binders; halogenation, hydrolysis |
| 04/26/1977 | US4020077 6b-isocyano penicillin esters |
| 04/26/1977 | US4020060 7-[α-Amino-ω-(3,4-methylenedioxyphenyl)acylamido]cephalosporanic acid derivatives |
| 04/19/1977 | US4018933 Penicillins; bactericides |
| 04/12/1977 | US4017515 Intermediates for cephalosporins and penicillins |
| 04/05/1977 | US4016155 Process for preparing cephalosporin derivatives |
| 03/29/1977 | US4015000 6-Acylamino-penam-3-carboxylic and 7-acylamino-3-cephem-4-carboxylic acids |
| 03/29/1977 | US4014915 Oxime carbonates |
| 03/29/1977 | US4014869 Antibiotics |
| 03/29/1977 | US4014868 Preparation of β-lactam antibiotics |
| 03/22/1977 | US4013653 1-oxacephems |
| 03/15/1977 | US4012518 Nitro-β-lactam antibiotics and processes for their preparation and use |
| 03/15/1977 | US4012382 Antibacterial |
| 03/01/1977 | US4010264 7-[3-Substituted isoxazol-5-yl]-acetamido-cephalosporanic acids and their anti-bacterial use |
| 02/22/1977 | US4009272 Penicillins |
| 02/22/1977 | US4009160 Aminomethylarylmethylpenicillin derivatives |
| 02/22/1977 | US4009159 Penicillins |
| 02/15/1977 | US4008229 Penicillin or cephalosporin |
| 02/15/1977 | US4008226 Intermediates for preparing semi-synthetic cephalosporins and processes relating thereto |
| 02/15/1977 | US4008221 6-[(2,4-Dioxo-1-pyrimidinyl)acylamino]penicillin derivatives |
| 02/15/1977 | US4008220 Penicillins |
| 02/08/1977 | US4007168 Process for preparing penicillins derivatives |
| 02/01/1977 | US4006139 1,2,4-Dithiaaz-3-enes |
| 01/25/1977 | US4005214 Choline, bactericide |
| 01/25/1977 | US4005075 Penicillins and their preparation |
| 01/25/1977 | US4005074 Process for cleaving an imido side chain from penicillins and cephalosporins |
| 01/25/1977 | US4005073 Antibiotics |
| 01/18/1977 | US4003887 Novel penicillins and their preparation |