The absolute configurations of hyperilongenols A–C: rare 12, 13-seco-spirocyclic polycyclic polyprenylated acylphloroglucinols with enolizable β, β′-tricarbonyl …

N Zhang, Z Shi, Y Guo, S Xie, Y Qiao, XN Li… - Organic Chemistry …, 2019 - pubs.rsc.org
Three novel 12, 13-seco-spirocyclic polycyclic polyprenylated acylphloroglucinol (PPAP)
derivatives, named hyperilongenols A–C (1–3), were isolated from the stems and leaves of …

[图书][B] Abejas de orquídeas de la América tropical: Biología y guía de campo

DW Roubik, PE Hanson - 2004 - books.google.com
Page 1 Abejas de orquídeas de la América tropical Biología y guía de campo Orchid bees
of tropical America Biology and field guide DAVID W. Roubik PAUL E. HANSON INBio …

Floral biology of some Clusia species from Central Amazonia

V Bittrich, MCE Amaral - Kew Bulletin, 1997 - JSTOR
The floral biology of 3 species of Clusia sect. Chlamydoclusia and 3 species of Clusia sect.
Cordylandra from Central Amazonia was investigated. The flowers of both sexes offer resin …

New Prenylated Bi- and Tricyclic Phloroglucinol Derivatives from Hypericum papuanum

K Winkelmann, J Heilmann, O Zerbe… - Journal of natural …, 2001 - ACS Publications
Five new prenylated tricyclic and three new bicyclic acylphloroglucinol derivatives have
been isolated by bioactivity-guided fractionation of the petroleum ether extract of the dried …

Pollination ecology: natural history, perspectives and future directions

HM Torezan-Silingardi… - … Interactions: Source of …, 2021 - Springer
Pollination is one of the most important plant-animal interactions driving the joint
diversification and evolution of seed plants and animals. Typically classified as a mutualistic …

Sampsoniones C H, a unique family of polyprenylated benzophenone derivatives with the novel tetracyclo [7.3. 1.13, 11.03, 7] tetradecane-2, 12, 14-trione skeleton …

LH Hu, KY Sim - Tetrahedron letters, 1999 - Elsevier
The structures of sampsoniones C H, isolated from the aerial parts of Hypericum
sampsonii, have been elucidated by extensive analysis of 2 D NMR. Sampsoniones C H …

Benzophenones from Hypericum carinatum

APM Bernardi, ABF Ferraz, DV Albring… - Journal of natural …, 2005 - ACS Publications
Two new benzophenones were isolated from the leaves of Hypericum carinatum. Their
structures were established on the basis of 2D NMR spectroscopic analyses and mass …

Chemosystematic aspects of polyisoprenylated benzophenones from the genus Clusia

MC Anholeti, SR Paiva, MR Figueiredo… - Anais da Academia …, 2015 - SciELO Brasil
Benzophenone derivatives are special metabolites that arouse great scientific interest. The
Clusiaceae family is known for producing large amounts of benzophenone derivatives with …

Antiplasmodial benzophenone derivatives from the root barks of Symphonia globulifera (Clusiaceae)

G Marti, V Eparvier, C Moretti, S Prado, P Grellier… - Phytochemistry, 2010 - Elsevier
In an effort to find antimalarial drugs, a systematic in vitro evaluation on a chloroquine-
resistant strain of Plasmodium falciparum (FcB1) was undertaken on sixty plant extracts …

Kinetic resolution in a bridgehead lithiation mediated by a chiral Bis-lithium amide: Assignment of the absolute configuration of clusianone

V Rodeschini, NS Simpkins… - The Journal of organic …, 2007 - ACS Publications
A chiral base kinetic resolution of an advanced bicyclic intermediate enabled access to the
polyprenylated phloroglucinol natural product (+)-clusianone in enantiomerically pure form …