Zobrazeno 1 - 10
of 16
pro vyhledávání: '"M. N. Coltsa"'
Autor:
Aede de Groot, Carolina Edu, Pavel F. Vlad, Alina Nicolescu, Alexandru Ciocarlan, Calin Deleanu, Alic Barba, Michele D'Ambrosio, M. N. Coltsa, Andrei Biriiac
Publikováno v:
Natural Product Research 27 (2013) 9
Natural Product Research, 27(9), 809-817
Natural Product Research, 27(9), 809-817
A novel synthesis of natural drimanic compounds, (-)-albrassitriol (2) and (-)-6-epi-albrassitriol (3), has been carried out starting from an easily available labdane diterpenoid, (+)-larixol (1). In a two-step procedure, (+)-larixol (1) was converte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f64564daffcc5e4557be6185e86c7f4f
https://doi.org/10.1080/14786419.2012.706297
https://doi.org/10.1080/14786419.2012.706297
Autor:
M. N. Coltsa, Pavel F. Vlad, Natalya B. Khripach, Alexandru Ciocarlan, Alexandr V. Baranovsky
Publikováno v:
Synthetic Communications. 38:3960-3972
This article describes a new efficient synthesis of drim-7,9(11)-diene and its hydroxylated derivates from drim-8-en-7-one. Reduction of this ketone with NaBO4 in the presence of CeCl3 · 7H2O afforded regio- and stereoselectively drim-8-en-7β-ol in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::665a7bb8e82d8c2079caa85e3cc0ba52
https://doi.org/10.1080/00397910802241399
https://doi.org/10.1080/00397910802241399
Autor:
Alexandru Ciocarlan, Janusz Lipkowski, Victor Ch. Kravtsov, M. N. Coltsa, Grigore N. Mironov, Pavel F. Vlad, Yurii A. Simonov
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://explore.openaire.eu/search/publication?articleId=doi_dedup___::464953e3e58746eba5424c58678ea29a
https://doi.org/10.19261/cjm.2007.02(1).04
https://doi.org/10.19261/cjm.2007.02(1).04
Autor:
Aede de Groot, Pavel F. Vlad, Janusz Lipkowski, Victor Ch. Kravtsov, Calin Deleanu, Tadeusz Lis, Yurii A. Simonov, Oana Costan, M. N. Coltsa, Alexandru Ciocarlan
Publikováno v:
Tetrahedron 62 (2006) 36
Tetrahedron, 62(36), 8489-8497
Tetrahedron, 62(36), 8489-8497
Valuable chiral drimanic dienic synthons have been prepared by a photolytic Norrish type II degradation of the corresponding 14,15-bisnorlabdene-13-ones. Minor by-products with unexpected bi- and tricyclic structures were formed and some of them were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cfbc5ba014937f8876a9aebf8473175
https://doi.org/10.1016/j.tet.2006.06.081
https://doi.org/10.1016/j.tet.2006.06.081
Autor:
Pavel F. Vlad, Carolina Edu, A. Nicolescu, M. N. Coltsa, A. Biriiac, Alexandru Ciocarlan, C. Deleanu
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 6, Iss 2, Pp 13-15 (2011)
The current communication represents an extended abstract of the presentation delivered on the joint Moldo-Italian seminar “New frontiers in natural product chemistry”, held in the Institute of Chemistry, Academy of Sciences of Moldova on 30 Sept
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db7fc1099c24eeb93ca0d644c29db09f
https://doi.org/10.19261/cjm.2011.06(2).03
https://doi.org/10.19261/cjm.2011.06(2).03
Autor:
M. N. Coltsa, Aculina Aricu, Calin Deleanu, Alexandru Ciocarlan, Alina Nicolescu, Nicon Ungur, Andrei Biriiac, Nicoleta Vornicu
The paper describes a new pathway for an efficient synthesis of natural and bioactive drimanic compounds ( − )-pereniporin B (1) and ( − )-cinnamosmolide (2) from ketodiol 7, an intermediate obtained before from accessible labdane diterpenoid (+)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82e759ee5df786b3fd6508c7c308a045
Publikováno v:
Natural Product Letters. 13:1-4
A short and efficient stereospecific synthesis of (-)(3aS,7aS)-trans-tetrahydroactinidiodlide (1) was accomplished starting with drim-8(9)-en-7-one (4).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5469df3b172d9acdd384591188f51258
https://doi.org/10.1080/10575639908048482
https://doi.org/10.1080/10575639908048482
Autor:
Carolina Edu, M. N. Coltsa, Aculina Aricu, Michele D'Ambrosio, Pavel F. Vlad, Sergiu Shova, Andrei Biriiac, Nicoleta Vornicu, Alexandru Ciocarlan, Alina Nicolescu, Calin Deleanu, Aede de Groot
Publikováno v:
Tetrahedron, 69(2), 918-926
Tetrahedron 69 (2013) 2
Tetrahedron 69 (2013) 2
Starting from (+)-larixol and (-)-sclareol, new syntheses of (+)-6-ketoeuryfuran, (+)-6-ketowinterin, and (-)-7-ketoeuryfuran have been elaborated in high yields. (+)-6-Ketowinterin was synthesized for the first time. Both euryfurans are excellent st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::284a461d399814b1328684bc414c6455
https://research.wur.nl/en/publications/regio-and-stereoselective-synthesis-of-6-ketoeuryfuran-6-ketowint
https://research.wur.nl/en/publications/regio-and-stereoselective-synthesis-of-6-ketoeuryfuran-6-ketowint
Publikováno v:
Russian Chemical Bulletin. 52:502-504
The natural drimane sesquiterpenoid lactone 5,6-dehydro-7-oxoisodrimenin was synthesized from drim-8-en-7-one as well as from 7-oxoisodrimenin.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13eddcd685bbf870a2b7c7329e93a176
https://doi.org/10.1023/a:1023404126195
https://doi.org/10.1023/a:1023404126195
Publikováno v:
ChemInform. 31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebf9e4dcbdf9428a8bc8ce40f0fa66ec
https://doi.org/10.1002/chin.200036195
https://doi.org/10.1002/chin.200036195