Journal ArticleDOI
Two pentacyclic triterpenes from Rubia cordifolia
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TLDR
Rubicoumaric acid and rubifolic acid isolated from Rubia cordifolia have been shown to be 30-hydroxy-3β-p-Hydroxycoumaryloxy-urs-12-ene-28-oic acid or 3β,30-dihydroxy-urs 12-ene,28- oic acid respectively on the basis of 1H NMR, 13C NMR and mass spectral and chemical evidence.About:
This article is published in Phytochemistry.The article was published on 1981-01-01. It has received 34 citations till now. The article focuses on the topics: Pentacyclic Triterpenes & Rubia cordifolia.read more
Citations
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Review article number 67Triterpenoids
TL;DR: A compilation of the triterpenoids isolated during the period 1982–1989 along with their occurrence, available physical data, spectroscopy and X-ray analysis used for their characterization, is included.
Journal ArticleDOI
Anti-HIV activity of Indian medicinal plants
Sudeep Sabde,Hardik S. Bodiwala,Aniket Karmase,Preeti J. Deshpande,Amandeep Kaur,Nafees Ahmed,Siddheshwar K. Chauthe,Keyur G. Brahmbhatt,Rasika U. Phadke,Debashis Mitra,Kamlesh K. Bhutani,Inder Pal Singh +11 more
TL;DR: Aegle marmelos, Argemone mexicana, Asparagus racemosus, Coleus forskohlii, and Rubia cordifolia demonstrated promising anti-HIV potential and were investigated for their active principles.
Journal Article
A comprehensive review of Rubia cordifolia linn
TL;DR: Various chemical constituents like anthraquinones, iridoid glycoside, naphthoic acid esters, bicyclic hexapeptides, and triterpenes have been isolated and identified from Rubia cordifolia Linn.
Journal ArticleDOI
Effect of chitosan elicitation and media components on the production of anthraquinone colorants in madder ( Rubia akane Nakai) cell culture
TL;DR: Chitosan was the best biotic elicitor among nine plant derived and microbial derived polysaccharides and the use of growth regulator or addition of precursor did not affect the production of anthraquinone colorants.
Journal ArticleDOI
Stereochemistry of hydrogen peroxide-acetic acid oxidation of ursolic acid and related compounds
Alexey V. Tkachev,Alexey Yu. Denisov,Yuri V. Gatilov,Irina Yu. Bagryanskaya,Sergey A. Shevtsov,Tatjana V. Rybalova +5 more
TL;DR: In this paper, a number of oxidized derivatives of ursolic acid were established using NMR data and X-ray analysis, and full signal assignments were made in 1H and 13C NMR spectra of 26 natural and synthetic ursane type triterpenoids.
References
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Journal ArticleDOI
Mass Spectrometry in Structural and Stereochemical Problems. XXXII.1 Pentacyclic Triterpenes
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Constituents of Dipterocarpaceae Resins. IV. Triterpenes of Shorea acuminata and S. resina-nigra
TL;DR: In this paper, the structures given to the two cis 2,3-diols resulting from osmium tetroxide oxidation of methyl oleana-2,12-dien-28-oate were revised.
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Über triterpene—VIII : Zuordnung von triterpenen zu den grundtypen durch ir spektroskopie
TL;DR: In this paper, a triacyclische Triterpensauren oder deren Ester weisen in beiden Spektralbereichen meist nur 1 starkere Bande auf, ausserhalb der angegebenen Grenzen.