Zobrazeno 1 - 10
of 63
pro vyhledávání: '"A D, Kuzovkov"'
Autor:
V. I. Sheichenko, S. I. Veselova, A. D. Kuzovkov, M. N. Gromova, B. V. Rozynov, G. B. Lokshin
Publikováno v:
Chemistry of Natural Compounds. 11:353-357
From the culture liquid of the mutant strains 47 and 48 ofAct. olivovariabilis a new o-naphthoquinone — olivovarin — has been isolated. Structure (I) is proposed for it.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::215d5182a6b4910bb8517501235f505d
https://doi.org/10.1007/bf00571205
https://doi.org/10.1007/bf00571205
Publikováno v:
Chemistry of Natural Compounds. 17:183-188
The results are reported of a study of the dissociative ionization of fusidic acid and its derivatives, and also of an investigation of the products of its thermal degradation by the mass-spectrometric method. A scheme of fragmentation of the antibio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a67d0b1ce4ab05aa0e617a985c036e62
https://doi.org/10.1007/bf00634744
https://doi.org/10.1007/bf00634744
Publikováno v:
Pharmaceutical Chemistry Journal. 1:215-218
The process of complete and partial oxidation of nystatin by potassium permanganate in an acid medium is studied. With complete oxidation of the antibiotic, the main reaction product is succinic acid, and with partial, a mixture of succinic, oxalic,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf78210ce9cbafd740f83ef716729fca
https://doi.org/10.1007/bf00770193
https://doi.org/10.1007/bf00770193
Autor:
L. E. Kushnir, A. D. Kuzovkov
Publikováno v:
Pharmaceutical Chemistry Journal. 2:671-677
1. It was shown that the actual empirical formula of saurine is C19H22O6·H2O. 2. Two possible structural formulas of saurine (Ia and Ib) are proposed. The formulas were confirmed by the NMR spectra and mass spectra.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3801036fa3b8caf6ecbcc8861ef0289
https://doi.org/10.1007/bf00763331
https://doi.org/10.1007/bf00763331
Publikováno v:
Chemistry of Natural Compounds. 7:625-628
A new antibiotic, variamycin, belonging to the aureolic acid group and distinguished from the latter by the presence in the molecule of a residue of the deoxy sugar variose has been isolated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cdd0e9581c4e46c71313924325e81151
https://doi.org/10.1007/bf00568424
https://doi.org/10.1007/bf00568424
Publikováno v:
Chemistry of Natural Compounds. 7:756-761
The definitive structure of delevayine — an alkaloid isolated earlier from the herbStephania delovayi — has been established.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7edffc4f0a6ac123cbc2c692bc5bd648
https://doi.org/10.1007/bf00567931
https://doi.org/10.1007/bf00567931
Autor:
A. D. Kuzovkov
Publikováno v:
Pharmaceutical Chemistry Journal. 6:228-233
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a19e27038875e503f2ec7e1f7d3c1e06
https://doi.org/10.1007/bf00771562
https://doi.org/10.1007/bf00771562
Publikováno v:
Chemistry of Natural Compounds. 10:61-65
1. By means of the NMR method it has been shown that tetracycline hydrochloride undergoes rapid epimerization in pyridine solution. 2. The temperature dependence of the constant of the equilibrium TC ⇆ ETC has been studied and the thermodynamic cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a890ec43d3e8bee07e3b21ea36174126
https://doi.org/10.1007/bf00568224
https://doi.org/10.1007/bf00568224
Publikováno v:
Pharmaceutical Chemistry Journal. 5:599-604
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15d4d0511d68b4600cab54ada12e0da1
https://doi.org/10.1007/bf00778466
https://doi.org/10.1007/bf00778466
Publikováno v:
Pharmaceutical Chemistry Journal. 3:701-704
An active substance (designated as 6666-4), which proved to have considerable bae ter ios ta t ic activity on ac idres i s t ing bac te r i a in vitro, was isolated f rom a culture of one of the act inomycetes during our sea rch for antibiotics. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb30489238278e209d0e6d9c2e345881
https://doi.org/10.1007/bf00761017
https://doi.org/10.1007/bf00761017