Phenantridine alkaloids from Zanthoxylum myriacanthum by Sukari, M.A, Salim, W.S.W, Ibrahim, N.H, Rahmani, M, Aimi, N, Kitajima, M

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Alkaloids from some of the Malaysian annonaceae by Mohd. Sharif, Atan

Subjects: “…Alkaloids - Malaysia…”
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Alkaloid Constituents of Haplophyllum laeviusculum (Rutaceae). by Parhoodeh, Parimah, Rahmani, Mawardi, Mohd. Hashim, Najihah, Md.Sukari, Mohd. Aspollah, Ee, Gwendoline Cheng Lian

“…The investigation of the aerial parts of Haplophyllum laeviusculum (Rutaceae), a perennial herb native to Iran, afforded three alkaloids, skimmianine (1), lunamarine (2), ribalinidine (3) and and two common sterols, γ-sitosterol and campesterol. …”
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The Alkaloids of Lindera pipericarpa Boerl (Lauraceae) by Lajis, Md Nordin, Mohd Sharif, Atan, Kiew, Ruth, Niyaz Khan, Mohammad, Samadi, Zainuddin

“…The alkaloids ofLindera pipericarpa were isolated and characterized as N-methyllaurotetanine, iscocorydine, and nor-isocorydine…”
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The Alkaloids of Ophiorrhiza communis and O. tomentosa by Hamzah, Ahmad Sazali, Arbain, Dayar, Mahyudin, V. Sargent, Malviyn, Lajis, Md Nordin

“…Two alkaloids, harman and strictosidinic acid, were isolated from the leaves and bark of Dphiorrhiza communis Linn. …”
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Enantioselective total Synthesis of the agelastatin and trigonoliimine alkaloids by Han, Sunkyu, 1982-

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Application of hydroformylation for the stereoselective synthesis of piperidine alkaloids by Sivarajan Kasinathan

“…The second and third chapters describe the synthesis of pseudoconhydrine and azimic acid using a common methodology that incorporates hydroformylation, for a simple yet efficient stereoselective synthesis of these types of piperidine alkaloids. The fourth chapter explores the advantages of application of hydroformylation in flow chemistry. …”
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Synthesis of polyhydroxylated alkaloids via allene cyclisation by Ng, Pearly Shuyi

“…Polyhydroxylated alkaloids, a class of natural products prevalent in plants, have attracted the interest of many due to their rich biological activities and complex chemical structures. …”
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Enantioselective desymmetrisation towards the synthesis of daphniphyllum alkaloids by Ellis, SR

“…<p>Chapter One introduces the Daphniphyllum alkaloids and the Calyciphylline A- type alkaloid sub-family, including proposed biosyntheses and recently reported total syntheses. …”

The Aza-Bohlmann cyclisation and the synthesis of Pandanus alkaloids by Macnaughton, S, Sarah Macnaughton

“…</p><p>The first total synthesis of the spiroaminoacetal alkaloid pandamarilactone-1 is discussed, via an aza-Bohlmann cyclisation, in 13 steps and 3% overall yield from 4-pentyn-1-ol.…”

Polyhydroxylated alkaloids -- natural occurrence and therapeutic applications. by Watson, A, Fleet, G, Asano, N, Molyneux, R, Nash, R

“…Over one hundred polyhydroxylated alkaloids have been isolated from plants and micro-organisms. …”

Inhibition of mammalian digestive disaccharidases by polyhydroxy alkaloids. by Scofield, A, Fellows, L, Nash, R, Fleet, G

“…Several polyhydroxy alkaloids, including the eight presently known to occur in plants, have been compared as inhibitors of mouse gut digestive disaccharidases. …”

Pyrrolizidine alkaloids: occurrence, biology, and chemical synthesis by Robertson, J, Stevens, K

“…This review covers the isolation and structure of new pyrrolizidines; pyrrolizidine biosynthesis; biological activity, including the occurrence of pyrrolizidines as toxic components or contaminants in foods and beverages; and formal and total syntheses of naturally-occurring pyrrolizidine alkaloids and closely related non-natural analogues.…”

Asymmetric synthesis of the marine alkaloid (-)-(S)-nakinadine C by Davies, S, Roberts, P, Shah, R, Thomson, J

“…The first asymmetric synthesis of the marine alkaloid (-)-(S)-nakinadine C is described. This synthesis employs the conjugate addition of lithium dibenzylamide to an N-α-phenylacryloyl SuperQuat derivative followed by diastereoselective protonation of the intermediate enolate using 2-pyridone as the key step to introduce the stereochemistry. (-)-(S)-Nakinadine C was isolated in 13% yield over 9 steps from commercially available atropic acid, 98:2 dr [(Z):(E) ratio] and &gt;99% ee. © 2013 Elsevier Ltd. …”

Total synthesis of manzamine A and related alkaloids. by Jakubec, P, Hawkins, A, Felzmann, W, Dixon, D

Development of an alkaloid–pyrone annulation: synthesis of pleiomaltinine by Kam, T.S., Ziegler, R.E., Tan, S.J., Porco Jr., J.A.

“…The approach has enabled semisynthesis of the unprecedented alkaloid-pyrone pleiomaltinine from the plant-derived indole-alkaloid pleiocarpamine.…”
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Alkaloids from Fissistigma latifolium (Dunal) Merr by Alias, A., Hazni, H., Jaafar, F.M., Awang, K., Ismail, N.H.

“…A phytochemical study of the bark of Fissistigma latifolium (Annonaceae) yielded a new aporphine alkaloid, (-)-N-methylguattescidine (1), and eight known alkaloids: liriodenine (2), oxoxylopine (3), (-)-asimilobine (4), dimethyltryptamine (5), (-)-remerine (6), (-)-anonaine (7), columbamine (8) and lysicamine (9). …”

Yohimbine-related Alkaloids from Tabernaemontana corymbosa by Nugroho, Alfarius Eko, Moue, Miho, Sasaki, Tadahiro, Shirota, Osamu, A. Hadi, A. Hamid, Morita, Hiroshi

“…Five new yohimbine-type indole alkaloids were isolated from the leaves of Tabernaemontana corymbosa. …”

Development of an Alkaloid-Pyrone Annulation: Synthesis of Pleiomaltinine by Ziegler, Robert E., Tan, Shin Jowl, Kam, Toh Seok, Porco, John A.

“…The approach has enabled synthesis of the unusual alkaloid-pyrone pleiomaltinine from the plant-derived indole-alkaloid pleiocarpamine (see Scheme; TBS= tert-butyldimethylsilyl). © 2012 Wiley-VCH Verlag GmbH & Co. …”

Alkaloids and carboxylic acids from Piper nigrum by Ee, Gwendoline Cheng Lian, Lim, S. K., Lim, Chyi Meei, Abdullah, Dzulkefly Kuang

“…Detailed chemical studies were carried out on the roots of Piper nigrum. Six alkaloids and four carboxylic acids were isolated and identified from this study. …”
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