Results 91 to 100 of about 16,879 (311)
Organocatalysis Chemistry in Flow
Current Organocatalysis, 2015 AbstractReview: 110 refs.
A. Puglisi +3 more
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Chiral Diol-Based Organocatalysts in Enantioselective Reactions
Molecules, 2018 Organocatalysis has emerged as a powerful synthetic tool in organic chemistry in the last few decades. Among various classes of organocatalysis, chiral diol-based scaffolds, such as BINOLs, VANOLs, and tartaric acid derivatives, have been widely used to ...
Truong N. Nguyen +3 more
doaj +1 more source
Green Chemistry Letters and Reviews, 2021 L-Proline organocatalyst was investigated as an efficient and environmentally benign catalyst for synthesis of some novel bioactive benzil bis(2-cyano-3-aryl-2-propenoylhydrazone) derivatives from reaction of the benzil bis(cyanoacetylhydrazone) with the
Abdelwahed R. Sayed +3 more
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Strategies for the synthesis of enantiopure compounds focused on organocatalysis [PDF]
, 2012 Podeu consultar el llibre complet a: http://hdl.handle.net/2445/32393The preparation of enantiomerically pure compounds (EPC) is a continuous social demand due to the clinical advantages that enantiopure drugs offer over the racemic forms. Here, the best
Arróniz, Carlos +1 more
core
Cooperative effects between arginine and glutamic acid in the amino acid catalyzed aldol reaction [PDF]
, 2017 Catalysis of the aldol reaction between cyclohexanone and 4-nitrobenzaldehyde by mixtures of L-Arg and of L-Glu in wet DMSO takes place with higher enantioselectivity (up to a seven-fold enhancement in the anti- aldol for the 1:1 mixture) than that ...
Moyano i Baldoire, Albert +1 more
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Angewandte Chemie International Edition, Accepted Article.This review explores the potential of mechanochemistry in the late‐stage modification of active pharmaceutical ingredients (APIs), offering a comprehensive analysis of methods designed to transform structurally complex molecular scaffolds. By examining the scope, efficiency, and mechanistic aspects of these approaches, the review highlights protocols ...
Johanna Templ, Lars Borchardt
wiley +1 more source
Vinylic Addition Polynorbornene in Catalysis [PDF]
, 2019 Vinylic addition polynorbornenes (VA-PNB) result from the insertion polymerization of norbornene or specific norbornene derivatives catalyzed by transition metal com- plexes. The VA-PNB skeleton is completely aliphatic and keeps the bicyclic structure of
Albéniz Jiménez, Ana Carmen +1 more
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Metal-Free Organocatalysis [PDF]
Catalysts, 2018 Fostering research in fundamental organic transformations is of utmost importance for the development of science.[...]
openaire +4 more sources
Radical Acylfluoroalkylation of Olefins through N-Heterocyclic Carbene Organocatalysis.
Angewandte Chemie, 2019 Fluorinated ketones are widely prevalent in numerous biologically interesting molecules, and the development of novel transformations to access these structures is an important task in organic synthesis.
Jun‐Long Li +9 more
semanticscholar +1 more source
Asymmetric organocatalysis involving double activation
Tetrahedron Chem, 2022 Asymmetric organocatalysis contributed tremendously to the field of organic synthesis since year 2000. Considering the diversity of organocatalysts and their activation modes, chemists developed the double activation strategy, in which two distinct ...
Zhi Chen +3 more
doaj