Results 11 to 20 of about 6,809 (215)

Organocatalysis Chemistry in Flow [PDF]

open access: yesCurrent Organocatalysis, 2015
The last decade has witnessed a huge growth in the use of flow chemistry as wellestablished procedure for performing chemical transformations; indeed, under continuous flow conditions, more sustainable, safer and easier scalable processes could be developed with respect to conventional batch procedures.
A. Puglisi   +3 more
core   +5 more sources

Theoretical Perspectives in Organocatalysis [PDF]

open access: yesChemistry – A European Journal, 2022
AbstractIt is clear that the field of organocatalysis is continuously expanding during the last decades. With increasing computational capacity and new techniques, computational methods have provided a more economic approach to explore different chemical systems.
Nika Melnyk   +3 more
openaire   +3 more sources

Do We Need Asymmetric Organocatalysis? [PDF]

open access: yesCHIMIA, 2007
Asymmetric organocatalysis is a 'fast lane' of the chemical highway: the progress in the last decade is simply spectacular. This introductory article summarizes basic principles, historical background, and discusses basic catalyst classes and ...
Peter I. Dalko
doaj   +3 more sources

Synergistic Organo‐Organocatalysis [PDF]

open access: yes, 2023
Asymmetric organocatalysis is pivotal in the field of asymmetric catalysis and is a crucial technology platform in the industry. However, in some cases, catalysis may have reached its limit and synergistic catalysis is an interesting groundbreaking ...
Pesciaioli, Fabio   +3 more
core   +1 more source

Halogen-Bond-Based Organocatalysis Unveiled: Computational Design and Mechanistic Insights [PDF]

open access: yes, 2023
Halogen-bond-based organocatalysis is a promising alternative to the extensively explored halogen-bond-based catalysis. This paper presents a comprehensive theoreti- cal investigation of the structural and electronic properties of the σ-hole, as well as ...
Nika, Melnyk   +2 more
core   +1 more source

On Rational Design of Stereodivergent Organocatalysis Controlled by Selective Hydration [PDF]

open access: yes, 2023
Stereodivergent asymmetric synthesis via slightly tuning the catalytic conditions is very attractive for early-stage drug discovery, because it is a very time efficient and economical method for obtaining all potential biologically active diastereomers ...
Liuqun, Gu
core   +1 more source

Understanding chiral proton organocatalysis using cinchonium derivatives [PDF]

open access: yes, 2023
This work presents a detailed mechanistic study of a quininium-catalyzed aza-Michael reaction, providing essential infor-mation for the development of reactions in chiral proton organocatalysis (CPO).
Raquel, P. Herrera   +4 more
core   +1 more source

Evolution of design approaches in asymmetric organocatalysis over the last decade

open access: yesTetrahedron Chem, 2023
This perspective intends to cover the vast field of asymmetric organocatalysis and its evolution during the last ten years. This work has evaluated the corresponding timeline of the progression of the field concerning the main synthetic approaches as ...
Nika Melnyk   +3 more
doaj   +1 more source

Phosphine Organocatalysis [PDF]

open access: yesChemical Reviews, 2018
The hallmark of nucleophilic phosphine catalysis is the initial nucleophilic addition of a phosphine to an electrophilic starting material, producing a reactive zwitterionic intermediate, generally under mild conditions. In this Review, we classify nucleophilic phosphine catalysis reactions in terms of their electrophilic components. In the majority of
Hongchao Guo   +4 more
openaire   +4 more sources

Organocatalysis emerging as a technology [PDF]

open access: yes, 2021
During the last 20 years, organocatalysis has significantly advanced as a field. Thanks to contributions from hundreds of groups and companies around the world, the area has risen from a few mechanistically ill-defined niche reactions, to one of the most
List, B., Aukland, M.
core   +1 more source

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