Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Sh. Yu. Islambekov"'
Publikováno v:
Chemistry of Natural Compounds. 37:1-24
The distribution and structure of hydrolyzed tannins, the separation of tanning agents and their quantitative determination, methods for preparing tanning extracts, methods for increasing the efficiency of extracting raw material, and the chemical pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a531cbab07a7e6ab72ff7a2c76a7c67b
https://doi.org/10.1023/a:1017605223089
https://doi.org/10.1023/a:1017605223089
Autor:
U. A. Abdullaev, Sh. Yu. Islambekov, S. M. Mavlyanov, A. K. Karimdzhanov, F. G. Kamaev, A. I. Ismailov
Publikováno v:
Chemistry of Natural Compounds. 33:179-184
A study has been made of the phenolic compounds ofGeranium sanguineum. One tannin of the hydrolyzable series has been isolated from the epigeal part, and for this the structure of 1,3-bis-O-digalloyl-2-O-galloyl-4,6-(hexahydroxydiphenoyl)-β-D-glucos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6b3e5c817e7bf7a2a96f640ff184385
https://doi.org/10.1007/bf02291537
https://doi.org/10.1007/bf02291537
Autor:
Sh. Yu. Islambekov, Bakhtiyar T. Ibragimov, Samat Talipov, R. G. Mardanov, A. I. Ismailov, K. M. Beketov
Publikováno v:
Chemistry of Natural Compounds. 31:685-689
The results are given of an x-ray structural investigation of hemigossypolone isolated from the stems of a wiltinfected cotton plant and of gossypolone obtained by oxidizing gossypol.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::083d20c09c1f36aeee9de62e3c51331b
https://doi.org/10.1007/bf01386180
https://doi.org/10.1007/bf01386180
Publikováno v:
Chemistry of Natural Compounds. 30:1-14
This review gives information on the distribution of flavonoids (flavonol and anthocyanin glycosides, catechins, and proanthocyanidins in plants of the family Malvaceae, namely the various species of the genera Gossypium, Hibiscus, Altheae, etc. It i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2984ea13d692f5f8691a3f946161b9c
https://doi.org/10.1007/bf00638411
https://doi.org/10.1007/bf00638411
Publikováno v:
Chemistry of Natural Compounds. 30:33-36
The chemical composition of the phenolic compounds of the epigeal part of blood-red geranium has been studied. The structure of the main substance of the polyphenolic complex of the plant has been established — bis(hexahydroxydiphenoyl)trigalloylgl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cba652d3584304744e2810726e880e7
https://doi.org/10.1007/bf00638415
https://doi.org/10.1007/bf00638415
Publikováno v:
Chemistry of Natural Compounds. 26:239-250
Information is given on vegetable tanning substances, their classification, distribution in the plant world, and structure, and the dependence of their tanning properties on their composition, and also on methods of enriching tanning extracts. The re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::357fa4f789c1a0c9dbfc86d95829ff6d
https://doi.org/10.1007/bf00597841
https://doi.org/10.1007/bf00597841
Publikováno v:
Chemistry of Natural Compounds. 30:37-39
The main component of the polyphenolic complex has been isolated from the leaves of two species of sumac (Rhus glabra andRh. typhina) and for this we have proposed the structure of 3,6-bis-O-digalloyl-1,2,4-tri-O-galloyl-β-D-glucose. A high interfer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb2e110e7f0c5fda2879e043c32f6ea6
https://doi.org/10.1007/bf00638416
https://doi.org/10.1007/bf00638416
Publikováno v:
Chemistry of Natural Compounds. 33:209-209
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::322d190c4d277c7959ecb094a4ff0b97
https://doi.org/10.1007/bf02291544
https://doi.org/10.1007/bf02291544
Publikováno v:
Chemistry of Natural Compounds. 31:268-268
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5442025888174d836295706431a1233f
https://doi.org/10.1007/bf01170226
https://doi.org/10.1007/bf01170226
Publikováno v:
Chemistry of Natural Compounds. 12:39-42
The PMR spectra of catechins, gallocatechins, epigallocatechin gallate, and their acetyl derivatives have been analyzed and the structures of the compounds investigated have been confirmed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f8bbe68c49dc0c97d1222e2c44e780f
https://doi.org/10.1007/bf00570177
https://doi.org/10.1007/bf00570177