Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Pepa Mechkarova"'
Publikováno v:
Biotechnology & Biotechnological Equipment. 25:2352-2356
The biologically active compounds protodioscin, prototribescin, dioscin and rutin were investigated in the samples originating from 25 natural populations distributed in South Bulgaria, including four floristic regions. The samples were collected alo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63f4d8f1b11ec96037e5e827164a2554
https://doi.org/10.5504/bbeq.2011.0040
https://doi.org/10.5504/bbeq.2011.0040
Publikováno v:
Biotechnology & Biotechnological Equipment. 25:2357-2361
Tribulus terrestris, commonly known as Puncture vine, is a member of the Zygophyllaceae family. The steroidal saponins are considered to be the factor responsible for the biological activity of the products derived from this plant. The content of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09599e16d808d5136c80549e6999829c
https://doi.org/10.5504/bbeq.2011.0041
https://doi.org/10.5504/bbeq.2011.0041
Publikováno v:
Biotechnology & Biotechnological Equipment. 24:129-133
An improvement method for extraction of steroidal saponins and rutin of Tribulus terrestris L. (Zygophyllaceae) was evaluated. It is shown that the ultrasound extraction is faster, easier, solvent-...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d594d819c5b40544370a5ed39eaecc78
https://doi.org/10.1080/13102818.2010.10817826
https://doi.org/10.1080/13102818.2010.10817826
Publikováno v:
Synthetic Communications. 37:3709-3718
A synthesis of a series of N‐alkoxycarbonyl mercaptobenzothiazoles (MBTs) and their application as reagents for chemoselective protection of amino group are presented herein. It was shown that all new reagents, Z‐MBT, Fmoc‐MBT, Phoc‐MBT, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50d3a2f3d42b0dad92962a7ea024f4e4
https://doi.org/10.1080/00397910701569320
https://doi.org/10.1080/00397910701569320
Publikováno v:
Synthetic Communications. 30:2833-2846
Our investigations on the oxidative possibilities of the hypervalent iodine(III) reagent established that phenyliodine(III)bis(trifluoroacclate) (PIFA) can provide one-pot contiguous coupling-cyclization reaction giving a product with narwedine skele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b502e7ae2d15beb2ce4cd742837cab6
https://doi.org/10.1080/00397910008087434
https://doi.org/10.1080/00397910008087434
Autor:
Schunack Walter G, Dikran Krikorian, Miho Penkov, R. Vlahov, Nely Angelova, Stoyan Parushev, Pepa Mechkarova, Velichko Tarpanov
Publikováno v:
Synthetic Communications. 29:15-20
A new four-step synthesis of N-{3-[3-(l-piperidinylmethyl)-phenoxy]propyl}acetoxyacetamide hydrochloride has been performed. The key aralkyl ether was synthesized in high yield under moderate conditions. A suitable scaling up permits a bulky producti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ab9417538ee56e008ecf2567179c73d
https://doi.org/10.1080/00397919908085729
https://doi.org/10.1080/00397919908085729
Autor:
Schunack Walter G, Nely Angelova, Miho Penkov, Dikran Krikorian, Pepa Mechkarova, R. Vlahov, Velichko Tarpanov, Stoyan Parushev
Publikováno v:
ChemInform. 30
A new four-step synthesis of N-{3-[3-(l-piperidinylmethyl)-phenoxy]propyl}acetoxyacetamide hydrochloride has been performed. The key aralkyl ether was synthesized in high yield under moderate conditions. A suitable scaling up permits a bulky producti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afb61ba5042db389e775c846ae1521a8
https://doi.org/10.1002/chin.199922143
https://doi.org/10.1002/chin.199922143
Publikováno v:
ChemInform. 39
A synthesis of a series of N‐alkoxycarbonyl mercaptobenzothiazoles (MBTs) and their application as reagents for chemoselective protection of amino group are presented herein. It was shown that all new reagents, Z‐MBT, Fmoc‐MBT, Phoc‐MBT, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0affaba4fdae99161fde029eaa2aec70
https://doi.org/10.1002/chin.200811190
https://doi.org/10.1002/chin.200811190
Publikováno v:
ChemInform. 31
Our investigations on the oxidative possibilities of the hypervalent iodine(III) reagent established that phenyliodine(III)bis(trifluoroacclate) (PIFA) can provide one-pot contiguous coupling-cyclization reaction giving a product with narwedine skele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73c448d3c2bd54b48369fd1d53fbacf3
https://doi.org/10.1002/chin.200047199
https://doi.org/10.1002/chin.200047199