Zobrazeno 1 - 10
of 108
pro vyhledávání: '"Pavel F. Vlad"'
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 8, Iss 2, Pp 94-100 (2013)
Synthesis of polyfunctional triterpene derivative [8(27),13E,17E,21E]-15-phenylsulfonyl-16-oxobicyclofarnesylfarnesol benzyl ether (8) from commercially available monoterpene geraniol and diterpene manool has been accomplished in 73% yield and its
Externí odkaz:
https://doaj.org/article/a6d26e7982324ae7a6a5d1f5509ac66a
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 4, Iss 1, Pp 8-16 (2009)
This communication deals with the appearance and development of the research in the field of chemistry in the Republic of Moldova; at the beginning - in chemistry sections of Moldovan Branch of the USSR Academy of Sciences and then - at the Institute
Externí odkaz:
https://doaj.org/article/aecd1346cf8a41bab02eb00939cadee8
Autor:
Pavel F. Vlad, Fliur Z. Macaev
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 4, Iss 1, Pp 30-35 (2009)
This overview deals with the advances in the investigation in the fi eld of organic, bioorganic and naturalproducts chemistry as well as the biologically active compounds in the Institute of Chemistry of the Academy of Sciences of Moldova.
Externí odkaz:
https://doaj.org/article/7af05299d66f413eb324d14432d74995
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 3, Iss 2, Pp 105-108 (2008)
A relatively simple method for isolation of the mixture of ent-kaur-16-en-19-oic (1) and ent-trachiloban-19-oic (2) acids from dry waste of sunflower processing has been elaborated, and it has been shown that the waste can serve as an accessible sour
Externí odkaz:
https://doaj.org/article/18beb58d491d4d6d9f50e0829cd219b1
Autor:
Pavel F. Vlad, Gheorghe Duca
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 2, Iss 1, Pp 8-14 (2007)
The first International Conference organized by the Chemical Society of Moldova has taken place in the early October 2003. Following are the most important research directions, objectives and realizations, achieved by different institutions involved
Externí odkaz:
https://doaj.org/article/15ec474a0cf049d19a1df4bab01b1d8d
Autor:
Pavel F. Vlad, Alexandru G. Ciocarlan, Grigore N. Mironov, Mihai N. Coltsa, Yurii A.Simonov, Victor Ch. Kravtsov, Janusz Lipkowski
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 2, Iss 1, Pp 114-118 (2007)
A mixture of 7α- and 17-bromonorambreinolides was obtained on treatment of the mixture of isomeric methyl bicyclohomofarnesenoates, the norambreinolide transesterification product, with NBS and H2O2. The structure of 7α- and 17-bromonorambreinolide
Externí odkaz:
https://doaj.org/article/799a9432c7c54d348d8c54af2104a599
Autor:
Marina Grinco, Olga Chetraru, Veaceslav Kulciţki, Alic Barba, Alexandr Boico, Pavel F. Vlad, Nicon Ungur
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 5, Iss 1, Pp 106-108 (2010)
The known diterpenic ester – 15α-angeloyl-ent-kaur-16-en-19-oic (angeloylgrandifl oric) acid has been isolated from the dry wastes of Helianthus annuus L. The synthesis of 15α-hydroxy- and 15-oxo-ent-kaur-16-en-19- oic acids starting from ent-k
Externí odkaz:
https://doaj.org/article/e5480625d4c743ef99e7d95af72c12ec
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 5, Iss 1, Pp 121-123 (2010)
An efficient retro-biomimetic procedure for the synthesis of two natural products having atisanic and beyeranic structure is reported. The readily available ent-kaurenoic acid is used as the substrate, which provides under superacidic treatment a m
Externí odkaz:
https://doaj.org/article/d7c9b887ae4243b8843d71491d4e2deb
Autor:
Lidia Lungu, K. I. Kuchkova, E. S. Sekara, Pavel F. Vlad, Alic Barba, Ion Dragalin, Nicoleta Vornicu, Aculina Aricu, Nicon Ungur, E. K. Gorinchoi, M. Niculaua, Sergiu Shova
Publikováno v:
Chemistry of Natural Compounds. 52:1029-1036
12,12′-Azino-di-8′-hydroxy-11-dihomodrimane, N,N′-di-(8′-hydroxy-11-dihomodrim-12-ylidene)-adipic acid dihydrazide, N,N′-di-(∆8,13-bicyclohomofarnesenoyl)-hydrazine, and hydrazides of ∆8,9- and ∆8,13-bicyclohomofarnesenoic acids were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6be6ca0db1c09979d04f7358804dd1f5
https://doi.org/10.1007/s10600-016-1854-6
https://doi.org/10.1007/s10600-016-1854-6
Autor:
F. Makaev, E. Mel’nik, V. Kh. Kravtsov, E. S. Sekara, Alic Barba, A. N. Arycu, K. I. Kuchkova, Pavel F. Vlad
Publikováno v:
Chemistry of Natural Compounds. 51:684-688
Amides of ∆ 8,13 -bicyclohomofarnesoic acid containing 1,2,4-triazole and carbazole rings were synthesized in eight steps from commercially available norambreinolide. The compounds were prepared by reacting the acid chloride with the heterocyclic a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ebc4ec0c4846a32f7d50cf1a7b7f7b6
https://doi.org/10.1007/s10600-015-1384-7
https://doi.org/10.1007/s10600-015-1384-7