Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Tiantian Guo"'
Autor:
Li Guolin, Lu Yinghui, Liu Tian, Weiguo Song, Chuncheng Yang, Qingchao Liu, Fahui Li, Han Wenrong, Tiantian Guo, Yiming Song
Publikováno v:
Journal of Chemical Research. 44:42-49
The first synthesis of a natural triterpenoid saponin bearing N-acetylglucosamine, albidoside A, which is isolated from the roots of Acacia albida, is concisely achieved in a convergent strategy. Preliminary pharmacological research shows anticancer
Publikováno v:
Journal of Chemical Research. Jan/Feb2019, Vol. 43 Issue 1/2, p20-25. 6p.
A sequential one-pot strategy for the synthesis of triterpenoid saponins in ionic liquid [emim][OTf]
Publikováno v:
Journal of Chemical Research. 43:20-25
1-Ethyl-3-methylimidazolium trifluoromethanesulfonate ([emim][OTf]) is an efficient co-solvent and co-promoter for one-pot sequential glycosylation with the combined use of thioglycosides and trichloroacetimidates (or N-phenyltrifluoroacetimidates) d
Publikováno v:
Helvetica Chimica Acta. 98:1254-1266
The first concise synthesis of the bidesmosidic oleanolic acid saponins 1–3 isolated from Fadogia ancylantha (Makoni tea) have been accomplished through a ‘one-pot sequential glycosylation’ strategy with two glycosyl 1-(trichloroacetimidate)s a
Publikováno v:
Archiv der Pharmazie. 348:615-628
Sixteen naturally occurring oleanolic acid saponins and their derivatives were synthesized in an efficient and practical strategy, and their inhibitory activities against α-glucosidase and α-amylase were evaluated in vitro. Among all the compounds,
Publikováno v:
Research on Chemical Intermediates. 42:1611-1626
Two natural steroidal glycosides, diosgenin 3-O-α-l-rhamnopyranosyl-(1→2)-[β-d-glucopyranosyl-(1→4)]-β-d-glucopyranoside (1) and laxogenin 3-O-α-l-rhamnopyranosyl-(1→2)-[β-d-glucopyranosyl-(1→4)]-β-d-glucopyranoside (2) with important c
Publikováno v:
European Journal of Medicinal Chemistry. 79:34-46
Sixteen novel oleanolic acid triterpenoid saponins were synthesized in an efficient and practical strategy, and their inhibitory activities against protein tyrosine phosphatase 1B (PTP1B) and selectivity over T-cell protein tyrosine phosphatase (TCPT
Publikováno v:
Helvetica Chimica Acta. 97:361-368
Chemical synthesis of a trisaccharide related to the cytotoxic triterpenoid saponins isolated from the bark of Albizia procera has been accomplished through a concise stepwise glycosylation strategy starting from commercially available D-xylose, 2-ac
Publikováno v:
Helvetica Chimica Acta. 96:142-149
The four hederagenin glycosides 1–4 were efficiently synthesized through one-pot sequential glycosylations with glycose 1-(trichloroacetimidate)s as donors, resulting in a significantly simplified synthetic procedure without isolation of glycosylat
Publikováno v:
Synthetic Communications. 41:357-371
The first synthesis of four natural triterpene saponins, which exhibit significant antitumor activities, was concisely achieved by adopting a stepwise glycosylation. The key intermediate 13 was afforded via Bu2SnO-mediated regioseletive benzoylation.