Chemodiversity, chemotaxonomy and chemoecology of Amaryllidaceae alkaloids

S Berkov, E Osorio, F Viladomat, J Bastida - The alkaloids: chemistry and …, 2020 - Elsevier
The Amaryllidaceae alkaloids are a distinctive chemotaxonomic feature of the subfamily
Amaryllidoideae of the family Amaryllidaceae, which consists of 59 genera and> 800 …

Enantioselective enzymatic desymmetrizations in organic synthesis

E García-Urdiales, I Alfonso, V Gotor - Chemical Reviews, 2005 - ACS Publications
During the recent past years, tremendous efforts have been made to establish
enantioselective routes for the preparation of enantiomerically pure compounds due to their …

Chemoenzymatic synthesis of inositols, conduritols, and cyclitol analogues

J Duchek, DR Adams, T Hudlicky - Chemical reviews, 2011 - ACS Publications
Cyclitols are defined as cycloalkanes containing one hydroxyl group on each of three or
more ring atoms; that is, they are cycloalkane polyols, excluding diols. 1 The term inositol is …

Catalytic enantioselective nitroso Diels–Alder reaction

B Maji, H Yamamoto - Journal of the American Chemical Society, 2015 - ACS Publications
The nitroso Diels–Alder (NDA) reaction is an attractive strategy for the synthesis of 3, 6-
dihydro-1, 2-oxazines and 1-amino-4-hydroxy-2-ene derivatives. Herein we report the Cu (I) …

Amaryllidaceae and Sceletium alkaloids

Z Jin - Natural Product Reports, 2011 - pubs.rsc.org
Covering: July 2008 to June 2010. Previous review: Nat. Prod. Rep., 2009, 26, 363–381
Structurally diverse alkaloids, which show significant biological activities, are abundant in …

Synthesis of Amaryllidaceae constituents and unnatural derivatives

M Ghavre, J Froese, M Pour… - Angewandte Chemie …, 2016 - Wiley Online Library
This update covers the syntheses of Amaryllidaceae alkaloids since the publication of the
last major review in 2008. A short summary of past syntheses and their step count is …

The role of biocatalysis in the asymmetric synthesis of alkaloids

JH Schrittwieser, V Resch - RSC advances, 2013 - pubs.rsc.org
Alkaloids are not only one of the most intensively studied classes of natural products, their
wide spectrum of pharmacological activities also makes them indispensable drug …

Rhodium-catalyzed CC bond cleavage reactions-an update

A Korotvicka, D Necas, M Kotora - Current Organic Chemistry, 2012 - ingentaconnect.com
The catalytic CC bond activation by rhodium complexes has found a wide application in
organic synthesis. The course of the reaction is usually controlled by the proper ligand …

The Amaryllidaceae alkaloids: An untapped source of acetylcholinesterase inhibitors

S Berkov, M Atanasova, B Georgiev, J Bastida… - Phytochemistry …, 2021 - Springer
The AChE inhibitory activity of alkaloid extracts and compounds has been in the focus of
research on the plants of Amaryllidoideae subfamily since the approval of galanthamine in …

Stabilization of NaBH4 in Methanol Using a Catalytic Amount of NaOMe. Reduction of Esters and Lactones at Room Temperature without Solvent-Induced Loss of …

P CP, E Joseph, N DS, I Ibnusaud… - The Journal of …, 2018 - ACS Publications
Rapid reaction of NaBH4 with MeOH precludes its use as a solvent for large-scale ester
reductions. We have now learned that a catalytic amount of NaOMe (5 mol%) stabilizes …