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First coordination polymer based on diterpenoids. Synthesis, structure, and magnetic properties

Autor: Kataeva O., Mamedova V., Nikitina K., Metlushka K., Ivshin K., Krupskaya Y., Kataev V., Sinyashin O., Alfonsov V.

Publikováno v: SCOPUS10665285-2017-66-2-SID85021846846

© 2017, Springer Science+Business Media, LLC. One-dimensional coordination polymer was obtained by cation exchange reaction of triethylammonium salt of methyl ent-16α-H-phosphonyloxybeyeran-19-oate with CuCl 2 . Its structure was determined by sing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1e99d233af3c96c9d43de10df4cacc13
https://openrepository.ru/article?id=705524

A RETRO-BIOMIMETIC ONE-STEP SYNTHESIS OF NATURAL ATISANIC AND BEYERANIC DITERPENOIDS

Autor: Nicon Ungur, Marina Grinco, Pavel F. Vlad, Veaceslav Kulciţki, Olga Chetraru

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 mix

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0395491fb6881b7eef757a5b37576b47

Biotransformation of steviol derivatives by Aspergillus niger and Fusarium moniliforme

Autor: Paulo C. Leal, Brás H. de Oliveira, José Dias de Souza Filho

Publikováno v: Journal of the Brazilian Chemical Society v.16 n.2 2005
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 16, Issue: 2, Pages: 210-213, Published: APR 2005

Steviol derivatives have been submitted to biotransformations by fungi. Methyl ent-11beta,13-dihydroxy-15,16-epoxikauran-19-oate was hydroxylated at C-11 by Aspergillus niger, whereas ent-16beta-hydroxybeyeran-19-oic acid was hydroxylated at C-6 and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d1ccbea5362b02c6f23eedc32dffb33
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532005000200013