Journal ArticleDOI
Aristololactams of Goniothalamus sesquipedalis wall. Revised structures of the 2-oxygenated aristololactams
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TLDR
Goniopedaline, a new phenanthrene lactam, aristololactam A-II and its N,O-diacetyl derivative, taliscanine (second natural occurrence), aurantiamide acetate and β-sitosterol and its β- d -glucoside have been isolated from the leaves and twigs of Goniothalamus sesquipedalis as discussed by the authors.About:
This article is published in Phytochemistry.The article was published on 1988-01-01. It has received 34 citations till now. The article focuses on the topics: Goniothalamus.read more
Citations
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Journal ArticleDOI
Synthesis of 1-Azaanthraquinone: Sequential C–N Bond Formation/Lewis Acid Catalyzed Intramolecular Cyclization Strategy
Ashwini Borah,Ashwini Borah,Abhilash Sharma,Abhilash Sharma,Hemanta Hazarika,Hemanta Hazarika,Kumud Sharma,Kumud Sharma,Pranjal Gogoi,Pranjal Gogoi +9 more
TL;DR: This synthetic protocol consists of sequential Pd-catalyzed carbon-nitrogen bond formation followed by Lewis acid catalyzed intramolecular cyclization that provides a wide range of 1-azaanthraquinones with good yields.
Journal ArticleDOI
Dasymaschalolactams A-E, Aristolactams from a Twig Extract of Dasymaschalon dasymaschalum.
Virayu Suthiphasilp,Wisanu Maneerat,Raymond J. Andersen,Piyaporn Phukhatmuen,Stephen G. Pyne,Surat Laphookhieo +5 more
TL;DR: Five new aristolactam alkaloids (1-5), dasymaschalolactams A-E, and the first isolation of dasymalolactone as a natural product, together with 19 known compounds were isolated from the twig extract of Dasymaschon dasymachalum.
Journal ArticleDOI
Chemical Constituents from the Roots of Neolitsea hiiranensis
Shwu-Li Wu,Wen-Shyong Li +1 more
TL;DR: One triterpenoid, taraxerone (1); four germacrane-type sesquiterpene lactones, linderane (2), linderalactone (6), pseudoneolinderane(7), (+)-linderadine (8); one sesiquiter pene dilactone, pseudoneolicine (10); three elemane-type SESquiterpenes, isolinderal actone (3), compound 4 and sericealactone(9); one eudesmane type s
Journal ArticleDOI
Amides from Uvaria microcarpa
TL;DR: Zhu et al. as mentioned in this paper identified nine phenanthrene-carboxylic acid lactams and one amide from the EtOAc fraction of extracts of Uvaria microcarpa Champ. ex Benth.
Journal ArticleDOI
Antibacterial activity and cytotoxicity of extractives from Uvaria hamiltonii stem bark
TL;DR: In a brine shrimp lethality bioassay the pet-ether, dichloromethane, methanol extracts and a major alkaloid, piperolactum C were found to exhibit mild to moderate cytotoxicity.
References
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Journal ArticleDOI
The phytochemistry of the annonaceae
TL;DR: Both alkaloidal and non-alkaloidal compounds so farsolated from Annonaceous plants are reviewed and 319 secondary products have been reported from 150 spe.
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13c n.m.r. studies: viii. 13c spectra of some substituted anisoles
K. S. Dhami,J. B. Stothers +1 more
TL;DR: In this paper, the effects of substitution on the aromatic and methoxyl carbon shieldings were investigated using the 13C nuclear magnetic resonance spectra of a series of 40 substituted anisoles.
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Seven aristololactams from Aristolochia argentina
TL;DR: Seven aristololactam alkaloids were isolated from Aristolochia argentina and five are reported for the first time.
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Aristololactams of Aristolochia argentina
TL;DR: Four new lactams have been isolated and characterized from the roots of Aristolochia argentina and are characterized as new types of lactams with unknown mechanisms.
Journal ArticleDOI
Aristolactams of Orophea enterocarpa
TL;DR: Two new aristolactams named as enterocarpam-I and enterocarambam-II have been isolated and characterized from the stem bark of Orophea enterocalarpa as discussed by the authors.