Results 41 to 50 of about 637,304 (300)

Application of MOFs in asymmetric catalysis

open access: yes上海师范大学学报. 自然科学版, 2023
So far, metal-organic frameworks(MOFs) have been developed in many fields, including gas adsorption, catalysis, and other directions. In recent years, due to the rapid development of asymmetric catalysis, chiral MOFs in stereoselective catalysis has ...
ZHANG Xiang, TAN Chunxia, LIN Jingrong
doaj   +1 more source

Multifunctional Asymmetric Catalysis.

open access: yesChemical and Pharmaceutical Bulletin, 2001
Two types of general and practical enantioselective catalysts, namely, bimetallic complexes and Lewis acid-Lewis base bifunctional catalysts were developed based on the concept of multifunctional catalysis. In the first part of this review, the first example of a catalytic enatioselective nitro-Mannich reaction as well as a direct catalytic ...
SHIBASAKI, Masakatsu, KANAI, Motomu
openaire   +3 more sources

Data-driven catalyst optimization for stereodivergent asymmetric synthesis by iridium/boron hybrid catalysis

open access: yesCell Reports Physical Science, 2021
Summary: Asymmetric catalysis enabling divergent control of multiple stereocenters remains challenging in synthetic organic chemistry. Although machine-learning-based optimization of molecular catalysis is a rapidly growing research field, the use of ...
Hongyu Chen   +7 more
doaj   +1 more source

Electricity-driven asymmetric bromocyclization enabled by chiral phosphate anion phase-transfer catalysis

open access: yesNature Communications, 2023
Asymmetric electrochemical synthesis via ion-pairing catalysis is challenging due to interference of the electrolyte with the ion-pairing catalyst.
Xuefeng Tan, Qingli Wang, Jianwei Sun
doaj   +1 more source

Development of non-nucleoside reverse transcriptase inhibitors (NNRTIs): our past twenty years

open access: yesActa Pharmaceutica Sinica B, 2020
Human immunodeficiency virus (HIV) is the primary infectious agent of acquired immunodeficiency syndrome (AIDS), and non-nucleoside reverse transcriptase inhibitors (NNRTIs) are the cornerstone of HIV treatment.
Chunlin Zhuang   +3 more
doaj   +1 more source

Peptides as catalysts for asymmetric 1,4-addition reactions of aldehydes to nitroolefins [PDF]

open access: yes, 2009
Within this thesis, the development of peptides as highly efficient catalysts for asymmetric conjugate addition reactions of aldehydes to nitroolefins is described.
Wiesner, Markus
core   +1 more source

Asymmetric catalysis in synthetic strategies for chiral benzothiazepines

open access: yesGreen Synthesis and Catalysis, 2020
Chiral benzothiazepines constitute the core structures of many foremost pharmaceuticals with diverse biological activities endowed by their unique scaffolds, which poses a great challenge to organic chemists and pharmaceutical researchers.
Haifeng Wang   +4 more
doaj   +1 more source

Harnessing noncovalent interaction of chalcogen bond in organocatalysis: From the catalyst point of view

open access: yesGreen Synthesis and Catalysis, 2021
The introduction of new interactions into organic transformation is an objective of fundamental importance. Chalcogen bond has emerged as an unconventional type of noncovalent interaction which provides a useful synthetic tool for organocatalysis and has
Weitao Yan   +3 more
doaj   +1 more source

Total Synthesis of Natural Terpenoids Enabled by Cobalt Catalysis

open access: yesFrontiers in Chemistry, 2022
Transition metal catalysis plays an essential role in the total synthesis of natural products. Cobalt-mediated asymmetric catalysis has successfully been used as a primary or a secondary step in the total synthesis of natural products, especially ...
Shu Xiao   +6 more
doaj   +1 more source

New Trends in Asymmetric Catalysis [PDF]

open access: yesCatalysts, 2021
As far back as the mid-nineteenth century, the studies of Louis Pasteur brought to light the essential role of molecular chirality in biology [...]
Schettini R., Sala G. D.
openaire   +2 more sources

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