Results 161 to 170 of about 229,471 (214)
Some of the next articles are maybe not open access.

Asymmetric Synthesis of Isoquinoline Alkaloids: 2004-2015.

Chemical Reviews, 2016
In the past decade, the asymmetric synthesis of chiral nonracemic isoquinoline alkaloids, a family of natural products showing a wide range of structural diversity and biological and pharmaceutical activity, has been based either on continuation or ...
M. Chrzanowska   +2 more
semanticscholar   +1 more source

The Stemona Alkaloids

ChemInform, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Ronaldo A. Pilli   +2 more
openaire   +4 more sources

The Iboga Alkaloids

2017
Iboga alkaloids are a particular class of indolomonoterpenes most often characterized by an isoquinuclidine nucleus. Their first occurrence was detected in the roots of Tabernanthe iboga, a sacred plant to the people of Gabon, which made it cult object.
Lavaud, Catherine, Massiot, Georges
openaire   +5 more sources

Pharmacological activity of Alkaloids: A Review

, 2018
Plant alkaloids, one of the largest groups of natural products, represent a highly diverse group of chemical entities. Historically, although plants containing alkaloids have been used by man for at least 3000 years as medicines, teas, and potions, the ...
N. Bribi
semanticscholar   +1 more source

Recent Progress in the Chemistry of Daphniphyllum Alkaloids †.

Chemical Reviews, 2017
Daphniphyllum is an evergreen species known since 1826. After initial systematic investigations, more than 320 members of this family have been isolated, which comprise complex and fascinating structures. Unique azapolycyclic architectures containing one
A. Chattopadhyay, S. Hanessian
semanticscholar   +1 more source

Plant Alkaloids: The Vinca Alkaloids [PDF]

open access: possible, 1989
Although a large number of compounds from a wide variety of plants have been tested for antitumor activity, none has played a more vital role in cancer chemotherapy than the vinca alkaloids. These compounds are present in minute quantities in the plant Catharanthus roseus G. Don (Vinca rosea Linn.), commonly called the periwinkle.
openaire   +1 more source

Amaryllidaceae and Sceletium alkaloids

Natural Product Reports, 2003
The latest progress on the isolation, identification, biological activity and synthetic studies of the structurally diverse alkaloids from plants of family Amaryllidaceae has been summarized in this review.
openaire   +10 more sources

Alkaloide

2002
Hans Peter Latscha   +2 more
openaire   +2 more sources

Alkaloide

Fresenius' Zeitschrift für analytische Chemie, 1961
K. Söllner, B. Rossmann
openaire   +1 more source

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