Structure, Bioactivity and Synthesis of Natural Products with Hexahydropyrrolo[2,3‐b]indole

P Ruiz‐Sanchis, SA Savina, F Albericio… - … –A European Journal, 2011 - Wiley Online Library
Research on natural products containing hexahydropyrrolo [2, 3‐b] indole (HPI) has
dramatically increased during the past few years. Newly discovered natural products with …

Total synthesis of complex cyclotryptamine alkaloids: stereocontrolled construction of quaternary carbon stereocenters

A Steven, LE Overman - Angewandte Chemie International …, 2007 - Wiley Online Library
Our ability to access the more complex members of the cyclotryptamine family of alkaloids,
and to exploit their disparate biological activities, is limited by the synthetic challenge posed …

Enantioselective organocatalytic construction of pyrroloindolines by a cascade addition–cyclization strategy: synthesis of (–)-flustramine B

JF Austin, SG Kim, CJ Sinz, WJ Xiao… - Proceedings of the …, 2004 - National Acad Sciences
Pyrroloindoline and bispyrroloindoline are a subclass of alkaloid structural motifs that
commonly exhibit biological activity. An enantioselective organocatalytic approach to the …

Evaluation of Antioxidant Activity, Total Flavonoids, Tannins and Phenolic Compounds in Psychotria Leaf Extracts

ASN Formagio, CRF Volobuff, M Santiago… - Antioxidants, 2014 - mdpi.com
The antioxidant activity of Psychotria carthagenensis, P. leiocarpa, P. capillacea and P.
deflexa (Rubiaceae) extracts were investigated, and the concentrations of total phenolics …

Simple indole alkaloids and those with a nonrearranged monoterpenoid unit

S Hibino, T Choshi - Natural product reports, 2001 - pubs.rsc.org
2.1. 4 Indoloquinolines 2.2 Non-isoprenoid tryptamines 2.2. 1 Piperazinediones 2.2. 2
Physostigmine and related compounds 2.2. 3 Indoloiminoquinones 2.2. 4 β-Carbolines 2.2 …

[HTML][HTML] Initial studies on alkaloids from Lombok medicinal plants

S Hadi, JB Bremner - Molecules, 2001 - mdpi.com
Initial investigation of medicinal plants from Lombok has resulted in the collection of 100
plant species predicted to have antimicrobial, including antimalarial, properties according to …

Two new tryptamine-derived alkaloids from Chimonanthus praecox f. concolor

M Kitajima, I Mori, K Arai, N Kogure, H Takayama - Tetrahedron Letters, 2006 - Elsevier
A new pyrrolidinoindoline-type alkaloid, CPC-1, and a new tryptamine-derived dimeric
alkaloid, CPC-2, were isolated from the seeds and rinds of Chimonanthus praecox f …

How strong is the coordination bond between a histidine tag and Ni–nitrilotriacetate? An experiment of mechanochemistry on single molecules

M Conti, G Falini, B Samorì - Angewandte Chemie International …, 2000 - Wiley Online Library
Isolation of a His‐tagged protein by means of a Ni–nitrilotriacetate‐functionalized
chromatographic matrix or biosensor was simulated in a single‐molecule experiment, and …

Recent advances on the total syntheses of communesin alkaloids and perophoramidine

BM Trost, M Osipov - Chemistry–A European Journal, 2015 - Wiley Online Library
The communesin alkaloids are a diverse family of Penicillium‐derived alkaloids. Their
caged‐polycyclic structure and intriguing biological profiles have made these natural …

Enantioselective Construction of Vicinal Stereogenic Quaternary Centers by Dialkylation: Practical Total Syntheses of (+)‐ and meso‐Chimonanthine

LE Overman, JF Larrow, BA Stearns… - Angewandte …, 2000 - Wiley Online Library
Alle drei Stereoisomere der hexacyclischen 3a, 3a′-Bispyrrolidino [2, 3-b] indolin-Einheit,
die in einigen Indolalkaloiden vorkommt, können hergestellt werden, wie anhand der …