Journal ArticleDOI
Aristololactams of Goniothalamus sesquipedalis wall. Revised structures of the 2-oxygenated aristololactams
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
Phenanthrene lactams from Goniothalamus velutinus
Siraj Omar,Chang Leng Chee,Fasihuddin B. Ahmad,Jiu Xiang Ni,Hasan Jaber,Jinasheng Huang,Tetsuo Nakatsu +6 more
TL;DR: A new phenanthrene lactam, designated as velutinam (10amino-8-hydroxy-3,4-dimethoxyphenanthrene-1-carboxylic acid lactam), was isolated from an extract of the bark of Goniothalamus velutinus as mentioned in this paper.
Journal ArticleDOI
The first total synthesis of goniothalesdiol
TL;DR: The first total synthesis of goniothalesdiol, a dihydroxylated tetrahydrofuran isolated from Goniothalamus borneensis (Annonaceae), and its 7-epimer was described starting with D-mannitol as mentioned in this paper.
Journal ArticleDOI
An aristolactam from Piper acutisleginum and revision of the structures of piperolactam B and D
Carl Erik Olsen,O. D. Tyagi,Per M. Boll,Falak A. Hussaini,Virinder S. Parmar,Nawal K. Sharma,Poonam Taneja,Subashi C. Jain +7 more
TL;DR: A new aristolactam, 10-amino-4-hydroxy-2,3-dimethoxyphenanthrene-1-carboxylic acid lactam, was isolated from the stem of Piper acutisleginum and the structures of two related alkaloids, piperolactams B and D, have been revised.
Book ChapterDOI
Chapter Five - Alkaloids of the Annonaceae: Occurrence and a Compilation of Their Biological Activities
Ana Silvia Suassuna Carneiro Lúcio,Jackson Roberto Guedes da Silva Almeida,Emídio V. L. da-Cunha,Josean Fechine Tavares,José Maria Barbosa Filho +4 more
TL;DR: The leishmanicidal, antimicrobial, antitumor, cytotoxic, and antimalarial activities observed for these alkaloids observed for species belonging to the Annonaceae family are highlighted.
Journal ArticleDOI
Cytotoxic alkaloids from stems, leaves and twigs of Dasymaschalon blumei.
Waraporn Chanakul,Patoomratana Tuchinda,Natthinee Anantachoke,Manat Pohmakotr,Pawinee Piyachaturawat,Surawat Jariyawat,Kanoknetr Suksen,Tharworn Jaipetch,Narong Nuntasaen,Vichai Reutrakul +9 more
TL;DR: Bioassay-guided fractionation of the cytotoxic ethyl acetate extract from the stems of Dasymaschalon blumei led to the isolation of four aristololactam alkaloids, including the hitherto unknown 3,5-dihydroxy-2,4-dimethoxyaristolactAM (1), as well as the three known compounds, aristolactams BI, goniopedaline, and griffithinam.
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.
Journal ArticleDOI
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.
Journal ArticleDOI
Seven aristololactams from Aristolochia argentina
TL;DR: Seven aristololactam alkaloids were isolated from Aristolochia argentina and five are reported for the first time.
Journal ArticleDOI
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.