Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Irina Potoročina"'
Publikováno v:
Current Medicinal Chemistry. 21:393-416
Since the discovery of penicillin, natural and synthetic β-lactams have aroused great interest not only as sources of effective antibacterial agents but also as specific inhibitors of proteases responsible for various non-bacterial pathological proc
Autor:
Edvards Liepinsh, Irina Shestakova, Ilona Domracheva, Irina Potoročina, Maksims Vorona, Grigory Veinberg
Publikováno v:
Chemistry of Heterocyclic Compounds. 47:767-775
The condensation of tert-butyl esters of 3-methyl-7-oxoceph-3-em-4-carboxylic and 6-oxopenicillanic acids with a series of 2-oxoalkylidene(triphenyl)phosphoranes gave tert-butyl esters of new cephalosporin and penicillin analogs with an alkylidene su
Autor:
Iveta Kanepe, Maksims Vorona, Irina Shestakova, E. E. Liepin'sh, Marina Petrova, Irina Potoročina, Edmunds Lukevics, Grigory Veinberg
Publikováno v:
Chemistry of Heterocyclic Compounds. 45:228-244
The condensation of the acetylmethylene group in the tert-butyl esters of 7Z-acetylmethylene-3-methyl-3-cephem-4-carboxylic acid and 7Z-acetylmethylene-3-methyl-1,1-dioxo-3-cephem-4-carboxylic acid and in 7Z-acetylmethylene-3-methylene-1,1-dioxo-3-ce
Autor:
Irina Shestakova, Grigory Veinberg, Irina Potoročina, Edmunds Lukevics, Iveta Kanepe, Maksims Vorona
Publikováno v:
Chemistry of Heterocyclic Compounds. 44:739-749
Sulfones of the tert-butyl esters of 7-arylmethylene-and 7-(2-furyl)methylene-3-methyl-3-cepheme-4-carboxylic acid were obtained by the condensation of the tert-butyl ester of 3-methyl-7-oxo-3-cepheme-4-carboxylic acid with arylmethylene-and 2-furyli
Autor:
Irina Shestakova, Marina Petrova, Grigory Veinberg, Iveta Kanepe, Edvards Liepinsh, Edmunds Lukevics, Irina Potoročina, Maksims Vorona
Publikováno v:
Chemistry of Heterocyclic Compounds. 43:646-652
The reaction of tert-butyl 7α-chloro-and 7-β-chloro-7α-isopropoxy-3-methyl-1,1-dioxoceph-3-em-4-carboxylates with the Vilsmeier reagent was carried out with introduction of N,N-dimethylaminomethylene group at position 2 in the E-and Z-isomeric for
Autor:
Irina Potoročina, Irina Shestakova, Maksims Vorona, Ilona Domracheva, Grigory Veinberg, Edvards Liepinsh
Publikováno v:
ChemInform. 43
New tert-butyl esters of cephalosporin and penicillin analogs with an alkylidene substituent in the β-lactam ring are synthesized.
Autor:
Marina Petrova, Irina Shestakova, Grigory Veinberg, Edmunds Lukevics, E. E. Liepin'sh, Iveta Kanepe, Irina Potoročina, Maksims Vorona
Publikováno v:
ChemInform. 40
The condensation of the acetylmethylene group in the tert-butyl esters of 7Z-acetylmethylene-3-methyl-3-cephem-4-carboxylic acid and 7Z-acetylmethylene-3-methyl-1,1-dioxo-3-cephem-4-carboxylic acid and in 7Z-acetylmethylene-3-methylene-1,1-dioxo-3-ce
Autor:
Irina Shestakova, Iveta Kanepe, Irina Potoročina, Grigory Veinberg, Maksims Vorona, Edmunds Lukevics
Publikováno v:
ChemInform. 40
Sulfones of the tert-butyl esters of 7-arylmethylene-and 7-(2-furyl)methylene-3-methyl-3-cepheme-4-carboxylic acid were obtained by the condensation of the tert-butyl ester of 3-methyl-7-oxo-3-cepheme-4-carboxylic acid with arylmethylene-and 2-furyli
Autor:
Edvards Liepinsh, Grigory Veinberg, Irina Shestakova, Iveta Kanepe, Edmunds Lukevics, Maksims Vorona, Marina Petrova, Irina Potoročina
Publikováno v:
ChemInform. 39
The reaction of tert-butyl 7α-chloro-and 7-β-chloro-7α-isopropoxy-3-methyl-1,1-dioxoceph-3-em-4-carboxylates with the Vilsmeier reagent was carried out with introduction of N,N-dimethylaminomethylene group at position 2 in the E-and Z-isomeric for