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| Number | Title | Issue Date |
| 5438052 | Cephalosporin derivatives Cephalosporin derivatives have the formula ##STR1## wherein Z1, Z2, X, Y, P, Q, m, n and p are as defined in the following text. Also described are the readily hydrolyzable esters and pharmaceutically compatible salts of these c... | 08/01/1995 |
| 5359057 | Acylation of amines There is described a process for the manufacture of carboxylic acid amides by acylating amines with 2-benzothiazolyl thioesters of carboxylic acids, which process comprises reacting the amine in the form of an acid addition salt. This process is especiall... | 10/25/1994 |
| 4948898 | Process for the manufacture of 1-sulpho-2-oxoazetidine derivatives The manufacture of 1-sulpho-2-oxazetidine derivatives of the formula ##STR1## in which Het is an optionally amino-substituted, 5- or 6-membered, aromatic heterocycle containing 1 or 2 nitrogen atoms and optionally also an oxygen or sulphur atom, R | 08/14/1990 |
| 4816582 | Antimicrobial 2-oxo-1-azetidinesulphonic acids Antimicrobial 2-oxo-1-azetidinesulphonic acids of the formula ##STR1## in which H2 N ##STR2## represents an amino-substituted thiazolyl group, R1 is lower alkyl which is substituted by carbamoyl, lower alkylsuphonyl, azido,... | 03/28/1989 |
| 4652651 | Process for the manufacture of 1-sulpho-2-oxoazetidine carboxylic acid intermediates via catalytic ester cleavage The manufacture of 1-sulpho-2-oxazetidine derivatives of the formula ##STR1## in which Het is an optionally amino-substituted, 5- or 6-membered, aromatic heterocycle containing 1 or 2 nitrogen atoms and optionally also an oxygen or sulphur atom, R | 03/24/1987 |
| 4482551 | Cephalosporin derivatives There is presented compounds of the formula ##STR1## in which R1 represents hydrogen or methyl, as well as readily hydrolyzable esters and salts of these compounds and the hydrates thereof. Also presented are various intermediates and a process... | 11/13/1984 |
| 4005214 | Water-soluble amoxicillin salts Choline and N-methyl-D-glucamine salts of amoxicillin, processes for their preparation and pharmaceutical compositions containing the salts as the active antibacterial component are disclosed.... | 01/25/1977 |
| 3957758 | 6-Acyl derivatives of aminopenicillanic acid Compounds represented by the following formula ##EQU1## wherein A is a substituted or unsubstituted heterocyclic radical and T is a C2 -C5 alkyl, alkenyl, cyclopropylmethyl, cyclobutylmethyl or cyclopentyl group A process for th... | 05/18/1976 |
| 3956323 | Furan, benzofuran and tetrahydrofuran carboxylic acid esters Compounds represented by the following formula ##EQU1## wherein A is a substituted or unsubstituted heterocyclic radical and T is a C2 -C5 alkyl, alkenyl, cyclopropylmethyl, cyclobutylmethyl or cyclopentyl group A process for th... | 05/11/1976 |
