Enantioselective organocatalytic synthesis of fluorinated molecules

G Valero, X Companyó, R Rios - Chemistry–A European …, 2011 - Wiley Online Library
The enantioselective synthesis of fluorinated molecules has drawn much attention within the
chemical community due to its unique stereoelectronic properties. The main aim of this …

Enantioselective organocatalytic fluorination using organofluoro nucleophiles

Y Zhao, Y Pan, SBD Sim, CH Tan - Organic & Biomolecular Chemistry, 2012 - pubs.rsc.org
Synthetic fluorinated compounds are enormously useful in areas such as materials,
agrochemicals, pharmaceuticals and fine chemicals. While methods of electrophilic …

Highly enantioselective cascade synthesis of spiropyrazolones

A Zea, ANR Alba, A Mazzanti, A Moyano… - Organic & Biomolecular …, 2011 - pubs.rsc.org
An efficient synthesis of spiropyrazolones based on organocatalysis is described. The
reaction between pyrazolones, enolizable aldehydes and enals is catalyzed by secondary …

N719 dye-sensitized organophotocatalysis: enantioselective tandem michael addition/oxyamination of aldehydes

HS Yoon, XH Ho, J Jang, HJ Lee, SJ Kim… - Organic letters, 2012 - ACS Publications
A remarkably efficient photosensitizer, N719 dye, was used in asymmetric tandem Michael
addition/oxyamination of aldehydes, rendering α, β-substituted aldehydes in good yields …

Biocatalytic Asymmetric Cyclopropanations via Enzyme‐Bound Iminium Ion Intermediates

A Kunzendorf, G Xu, M Saifuddin… - Angewandte …, 2021 - Wiley Online Library
Cyclopropane rings are an important structural motif frequently found in many natural
products and pharmaceuticals. Commonly, biocatalytic methodologies for the asymmetric …

Highly stereoselective construction of adjacent tetrasubstituted carbon stereogenic centres via an organocatalytic Mukaiyama-aldol reaction of monofluorinated silyl …

YL Liu, FM Liao, YF Niu, XL Zhao… - Organic Chemistry …, 2014 - pubs.rsc.org
We report the first organocatalytic activation of monofluorinated silyl enol ethers 1, by
nucleophilic tertiary amine catalysis, to develop asymmetric reactions for the construction of …

Highly stereoselective synthesis of spiropyrazolones

ANR Alba, A Zea, G Valero, T Calbet, M Font‐Bardía… - 2011 - Wiley Online Library
The synthesis of spiro compounds through a Michael–Michael–aldol reaction is reported.
The reaction affords spiropyrazolone derivatives in good yields, in almost diastereo‐and …

2-Fluoromalonate esters: fluoroaliphatic building blocks for the life sciences

A Harsanyi, G Sandford - Organic Process Research & …, 2014 - ACS Publications
The majority of fluorinated pharmaceutical products bear structurally simple fluoro-and
trifluoromethyl-aromatic subunits, in part because of the ready availability of a wide range of …

Palladium-catalyzed directly carbonylative synthesis of fluoro-substituted malonates from (fluoro) bromoacetates

ZP Bao, XF Wu - Journal of Catalysis, 2024 - Elsevier
Traditional procedures toward 2-fluoromalonates tend to meet overfluorination. Herein, we
describe a mild and efficient palladium-catalyzed carbonylative strategy for the synthesis of …

Enantioselective Organocatalytic Addition of Oxazolones to 1, 1‐Bis (phenylsulfonyl) ethylene: A Convenient Asymmetric Synthesis of Quaternary α‐Amino Acids

ANR Alba, X Companyó, G Valero… - … A European Journal, 2010 - Wiley Online Library
A new, easy, and highly enantioselective method for the synthesis of quaternary α‐alkyl‐α‐
amino acids based on organocatalysis is reported. The addition of oxazolones to 1, 1‐bis …