[PDF][PDF] ISOLATION OF MICROZELANICUM FROM THE PLANT OF CLAUSENA HEPTAPHYLLA (ROXB.) WIGHT & ARN

ZC Myint, KK Myo, HY Win, MM Sein - maas.edu.mm
The present research paper describes the first isolation of 7-methoxy-6-(1'-methyl-4'-oxo-3',
6'-dioxabicyclo [3.1. 0] hexan-2'-yl)-2H-chromen-2-one (Microzelanicum, C15H12O6) from …

Chromenone Derivatives from Processed Roots of Polygonum multiflorum

ZQ Zhao, YF Su, SL Yan, TX Li, J Li, XM Gao - Chemistry of Natural …, 2016 - Springer
Polygonumoside E (1), a new chromenone derivative, was isolated from processed roots of
Polygonum multiflorum along with three known compounds, 2, 5-dimethyl-7 …

Novel and unusual triterpene from Black Cohosh. Determination of structure of 9, 10-seco-9, 19-cyclolanostane xyloside (cimipodocarpaside) by NMR, IR and Raman …

MK Jamróz, MH Jamróz, JC Dobrowolski… - … Acta Part A: Molecular …, 2011 - Elsevier
A new triterpene xyloside, designated cimipodocarpaside was isolated from a Black Cohosh
(Actea racemosa L.) extract and its structure was elucidated by means of 1H, 13C NMR, IR …

Chromanones, benzofurans and other constituents from Ophryosporus lorentzii

EE Sigstad, CAN Catalán, JG Díaz, W Herz - Phytochemistry, 1996 - Elsevier
An extract of the aerial parts of Ophryosporus lorentzii afforded three new chromanones, a
known chromene, a new prenylated benzofuran, three known benzofurans, the …

Two New 2‐(2‐Phenylethyl)chromen‐4‐ones from Aquilaria sinensis (Lour.) Gilg

YH Gao, JM Liu, HX Lu, ZX Wei - Helvetica Chimica Acta, 2012 - Wiley Online Library
Abstract Two new compounds, 8‐chloro‐6‐hydroxy‐2‐(2‐phenylethyl) chromen‐4‐one (1)
and 8‐chloro‐6‐hydroxy‐2‐[2‐(4‐methoxyphenyl) ethyl] chromen‐4‐one (2), were isolated …

Chromone derivatives from the wood-decay fungus Rhizina sp. BCC 12292

M Isaka, M Sappan, P Auncharoen, P Srikitikulchai - Phytochemistry Letters, 2010 - Elsevier
A new chromone derivative (1), together with the known oxepino [2, 3-b] chromones,
microsphaeropsones A (2) and B (3), and xanthopinone (4), was isolated from the wood …

Chromenone Glucosides Acylated with Monoterpene Acids from the Leaves of Eucalyptus camaldulensis var. obtusa

S Begum, Farhat, BS Siddiqui - Helvetica Chimica Acta, 2011 - Wiley Online Library
Three new chromenone glucosides acylated with monoterpene acids, eucamaldusides A
(1), B (2), and C (3), were isolated from the leaves of Eucalyptus camaldulensis var. obtusa …

Two New Spirocyclic Compounds from Gymnotheca involucrata

YM Zhang, MS Su, F Shao, M Yang… - Chemistry of natural …, 2018 - Springer
Two new spirocyclic compounds, named 8-oxo-1-oxa-3, 9-diazaspiro [4.6] undec-2-ene (2)
and 8-hydroxy-1-oxa-3-azaspiro [4.5] dec-2-ene (3), together with one known spirocyclic …

A trioxygenated diprenylated chromenxanthone from Calophyllum moonii

HRW Dharmaratne, WMNM Wijesinghe - Phytochemistry, 1997 - Elsevier
A cold hexane extract of the root bark of Calophyllum moonii afforded a new trioxygenated
diprenylated chromenxanthone (dombakinaxanthone)[5, 8-dihydroxy-2, 2-dimethyl-7, 12-di …

[HTML][HTML] 5-Hydroxy-7-methoxy-2-methyl-4H-chromen-4-one from Dysoxylum macrocarpum (Meliaceae)

IA Najmuldeen, AH Abdul Hadi, K Awang… - … Section E: Structure …, 2010 - scripts.iucr.org
Both independent molecules in the asymmetric unit of the title compound, C11H10O4, are
almost planar (rms deviations= 0.011 and 0.033 Å). In both molecules, the hydroxy group is …