Results 81 to 90 of about 11,247 (220)
TLC Bioautography-guided Isolation and Antimicrobial, Antifungal Effects of 12 Alkaloids from Roots
Natural Product Communications, 2017 Hylomecon japonica (Thunb.) Prantl. is a Chinese medicinal plant whose active components and their antimicrobial mechanism was studied by TLC bioautography-guided isolation and identification of 12 alkaloids and their antimicrobial activities evaluated ...
Xuanji Xue +6 more
doaj +1 more source
Molecules, 2019 Isoquinoline alkaloids are the main group of secondary metabolites present in Chelidonium majus extracts, and they are still the object of interest of many researchers.
Michał Staniak +6 more
doaj +1 more source
Pessoine and spinosine, two catecholic berbines from Annona spinescens [PDF]
, 1996 The trunk bark and roots of #Annona spinescens$ have been investigated for their alkaloid content. Two new berbine alkaloids, pessoine and spinosine, have been isolated from the bark, and their structures were elucidated by spectroscopic methods.
Cavé, A. +4 more
core
Bulletin of the Korean Chemical Society, Volume 47, Issue 4, Page 384-395, April 2026.This review summarizes microwave‐assisted transition‐metal catalysis for constructing N‐ and O‐heterocycles, highlighting rapid C–H and pre‐activated C–X activation, improved selectivity, and green synthetic efficiency. Abstract Microwave‐assisted organic synthesis provides a rapid and sustainable platform for synthesizing various heterocycles ...
Woo‐Jin Park, Ye Ri Han, Hyejeong Lee
wiley +1 more source
Synthesis of Cortistatins A, J, K, and L [PDF]
, 2010 The cortistatins are a recently identified class of marine natural products characterized by an unusual steroidal skeleton and have been found to inhibit differentially the proliferation of various mammalian cells in culture by an unknown mechanism.
Flyer, Alec N. +2 more
core +2 more sources
A review on biological and chemical diversity in Berberis (Berberidaceae) [PDF]
, 2015 Berberis is an important genus and well known in the Indian as well as European systems of traditional medicine. It is used since ancient times for curing eye disease, fever, jaundice, rheumatism, vomiting during pregnancy, kidney and gall balder stones ...
Misra, Ankita +4 more
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Seasonal Variation of Bioactive Alkaloid Contents in Macleaya microcarpa (Maxim.) Fedde
Molecules, 2011 Macleaya microcarpa (Maxim.) Fedde belongs to the genus Macleaya, family Papaveraceae. Together with the better known and more frequently studied species M. cordata (Willd.) R. Br. it is a main source of quaternary benzo[c]phenanthridine alkaloids. Using
Jana Gregorová +4 more
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Berberis vulgaris: Specifications and traditional uses [PDF]
, 2017 The medicinal plants from genus Berberis are particularly important in traditional medicine and the food basket of Iranians. Given various plants from genus Berberis and their economic, nutritional, and medicinal status in Iran, this study seeks to ...
Lorigoini, Zahra. +3 more
core +2 more sources
Synthesis and structure - Activity relationship study of potent cytotoxic analogues of the marine alkaloid Lamellarin D [PDF]
, 2014 The marine alkaloid, Lamellarin D (Lam-D), has shown potent cytotoxicity in numerous cancer cell lines, and was recently identified as a potent topoisomerase I inhibitor.
Albericio Palomera, Fernando +6 more
core +2 more sources
Isoquinoline Alkaloids from Active against Plant Microbial Pathogens
Natural Product Communications, 2009 Bioassay-guided fractionation of the crude extract of the whole plant of Macleaya cordata R. Br. led to the isolation of four alkaloids, which were identified as sanguinarine (1), chelerythrine (2), protopine (3) and α-allocryptopine (4) on the basis of ...
Hao Liu +7 more
doaj +1 more source