Results 61 to 70 of about 10,956 (235)
Thiosemicarbazone organocatalysis:Tetrahydropyranylation and 2-deoxygalactosylation reactions and kinetics-based mechanistic investigation [PDF]
, 2017 Thiosemicarbazones are introduced as a new class of highly tunable and efficient organocatalysts. We showcase this by studies of the tetrahydropyranylation reaction, where insights to the mechanism was achieved by a double Hammett analysis of both the ...
Akselsen, Olivia M. +4 more
core +2 more sources
Asian Journal of Organic Chemistry, EarlyView.The excellent catalytic performance of a BINOL‐derived sulfide catalyst bearing a diphenylmethanol unit was demonstrated in the highly enantioselective synthesis of γ‐butyrolactones via bromolactonization. Abstract A BINOL‐derived sulfide catalyst bearing a diphenylmethanol unit was prepared.
Yasuaki Furuya +2 more
wiley +1 more source
Pursuing Chemical Efficiency by Using Supported Organocatalysts for Asymmetric Reactions under Aqueous Conditions [PDF]
, 2015 Over the past decade, a great effort has been made by the chemical community to improve the efficiency of organic transformations and allow sustainable processes.
Alonso, Diego A. +6 more
core +2 more sources
Asian Journal of Organic Chemistry, EarlyView.Two C3‐symmetric cage‐shaped phosphates were successfully synthesized and their activity as chiral Lewis‐basic catalysts for enantioselective iodocyclizations was evaluated. The different tethered groups of these phosphates influences their catalytic performance, leading to substrate‐dependent variations in reactivity and selectivity, showcasing the ...
Xiao Liu, Akihito Konishi, Makoto Yasuda
wiley +1 more source
Molecules, 2021 In our studies, the organocatalytic 1,3-dipolar cycloaddition between 2-nitrobenzofurans or 2-nitrobenzothiophene and N-2,2,2-trifluoroethyl-substituted isatin imines has been developed.
Maciej Saktura +4 more
doaj +1 more source
Organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium or azolium enolates [PDF]
, 2014 This tutorial review highlights the organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium/azolium enolates.
Morrill, Louis C., Smith, Andrew D.
core +1 more source
(2R,4R)-2-Hydroxy-4-(2-methoxyphenyl)bicyclo[3.3.1]nonan-9-one
Acta Crystallographica Section E, 2009 The title compound, C16H20O3, contains a bicyclic ring system with two chiral centers. The crystal structure is stabilized by intermolecular O—H...O hydrogen bonds.
Shuping Luo +4 more
doaj +1 more source
Organocatalysis Chemistry in Flow
Current Organocatalysis, 2015 AbstractReview: 110 refs.
A. Puglisi +3 more
openaire +4 more sources
Cluster Preface: Non-Covalent Interactions in Asymmetric Catalysis [PDF]
, 2016 The successful harnessing of non-covalent interactions to activate functional groups and control selectivity in chemical reactions is a relatively recent phenomenon in synthetic chemistry, but one that has delivered ground-breaking results, particularly ...
Phipps, RJ
core +2 more sources
Recent Advances in Asymmetric Organocatalyzed Conjugate Additions to Nitroalkenes [PDF]
, 2017 The asymmetric conjugate addition of carbon and heteroatom nucleophiles to nitroalkenes is a very interesting tool for the construction of highly functionalized synthetic building blocks.
Alonso, Diego A. +6 more
core +3 more sources