Gelegamines A-E: five new oxindole alkaloids from Gelsemium elegans.
- Zhen Zhang, Y. Di, X. Hao
- Chemistry
- 6 June 2009
Aminocadambines A and B, two novel indole alkaloids from Neolamarckia cadamba.
- Ling-Li Liu, Y. Di, Hong He
- Chemistry
- 27 October 2010
Three New Alkaloids, Paxiphyllines C – E, from Daphniphyllum paxianum
Nine Daphniphyllum alkaloids, including three new ones, paxiphyllines C-E (1-3, resp.), were isolated from the twigs and the leaves of Daphniphyllum paxianum. Paxiphylline C (1) represents the first…
Three new indole alkaloids from Trigonostemon lii.
- Cheng-Jian Tan, Y. Di, X. Hao
- ChemistryOrganic Letters
- 21 April 2010
Three unprecedented indole alkaloids, trigonoliimines A-C (1-3) with a unique polycyclic system, were isolated from the leaves of Trigonostemon lii Y. T. Chang. The structures of 1-3 were determined…
Cytotoxic neoclerodane diterpenoids from Scutellaria barbata.
- Feng Zhu, Y. Di, Hong-ping He
- ChemistryJournal of Natural Products
- 26 February 2010
Seven new neoclerodane diterpenoids, scutebatas A-G (1-7), have been isolated from Scutellaria barbata. Compounds 1-3 possess a rare alpha-hydroxy group in their alpha,beta-unsaturated lactone rings.…
Neoclerodane diterpenoids from Scutellaria barbata.
- Feng Zhu, Y. Di, Hong-ping He
- Chemistry, BiologyPlanta Medica
- 1 September 2011
Eight new neoclerodane diterpenoids (1- 8), scutebatas H-O, together with eight known compounds, have been isolated from the whole plant of Scutellaria barbata D. Don. Their structures were…
Phragmalin- and mexicanolide-type limonoids from the leaves of Trichilia connaroides.
- Qiang Zhang, Y. Di, X. Hao
- ChemistryJournal of Natural Products
- 26 January 2011
Phytochemical investigation of the leaves of Trichilia connaroides afforded 12 new limonoids with phragmalin- and mexicanolide-type skeletons, including the absolute configuration of 3, which showed moderate cytotoxicity against HL-60 cells.
Daphenylline, a new alkaloid with an unusual skeleton, from Daphniphyllum longeracemosum.
- Qiang Zhang, Y. Di, X. Hao
- ChemistryOrganic Letters
- 13 May 2009
A new alkaloid, daphenylline (1), with an unprecedented rearranged 22-nor-calyciphylline skeleton, was isolated from the fruits of Daphniphyllum longeracemosum. Its structure and stereochemistry were…
Limonoids from Aphanamixis polystachya and their antifeedant activity.
- Jieyun Cai, Duo-zhi Chen, Hong-ping He
- ChemistryJournal of Natural Products
- 1 March 2014
On the basis of a preliminary structure-activity relationship analysis, some potential active sites in the aphanamixoid-type limonoid molecules are proposed.
Dapholdhamines A-D, alkaloids from Daphniphyllum oldhami.
Four new Daphniphyllum alkaloids, dapholdhamines A-D (1-4), were isolated from the leaves of DaphNip Hyllum oldhami on the basis of spectroscopic data.
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