Synthesis and Metal-Catalyzed Reactions of gem-Dihalovinyl Systems

G Chelucci - Chemical Reviews, 2012 - ACS Publications
1, 1-Dihalo-1-alkenes are valuable synthetic tools in organic chemistry and serve as
interesting synthetic intermediates in a variety of non-metal-assisted chemical …

The Reformatsky reaction in organic synthesis. Recent advances

R Ocampo, WR Dolbier Jr - Tetrahedron, 2004 - Elsevier
The classical form of the well-known Reformatsky reaction, introduced for the first time in
1887, 1 consists of the zincinduced formation of b-hydroxyalkanoates from ethyl a …

Direct vinylation and difluorovinylation of arylboronic acids using vinyl-and 2, 2-difluorovinyl tosylates via the Suzuki− Miyaura cross coupling

TM Gøgsig, LS Søbjerg, AT Lindhardt… - The Journal of …, 2008 - ACS Publications
General reaction conditions were developed for the Pd (0)-catalyzed Suzuki− Miyaura
coupling reaction of aryl boronic acids with a simple electrophilic vinylation reagent, vinyl …

gem-Difluoroolefin synthesis: general methods via thermostable difluorovinylmetals starting from 2, 2, 2-trifluoroethanol derivatives

J Ichikawa - Journal of Fluorine Chemistry, 2000 - Elsevier
gem-Difluoroolefins with a wide range of substituents are readily synthesized from
commercially available 2, 2, 2-trifluoroethyl p-toluenesulfonate, via a pathway that comprises …

On the Unexpected Accuracy of the M06L Functional in the Calculation of 1JFC Spin–Spin Coupling Constants

M Giovanetti, LFF Bitencourt… - Journal of Chemical …, 2021 - ACS Publications
One-bond spin–spin coupling constants (SSCCs) between F and C are computed with
density functional theory (DFT). Surprisingly, M06L stands out for its striking accuracy …

Domino Friedel–Crafts‐Type Cyclizations of Difluoroalkenes Promoted by the α‐Cation‐Stabilizing Effect of Fluorine: An Efficient Method for Synthesizing Angular …

K Fuchibe, H Jyono, M Fujiwara, T Kudo… - … A European Journal, 2011 - Wiley Online Library
In order to synthesize polycyclic aromatic hydrocarbons with nonlinear arrangements
(angular PAHs), acid‐promoted domino cyclizations of 1, 1‐difluoroalk‐1‐enes and 1, 1 …

A novel direct synthesis of (2, 2-difluorovinyl) benzenes from aromatic aldehydes

VG Nenajdenko, GN Varseev, VN Korotchenko… - Journal of fluorine …, 2003 - Elsevier
A novel catalytic approach to (2, 2-difluorovinyl) benzenes has been developed. It was found
that hydrazones of aromatic aldehydes generated in situ could be converted to the …

New Efficient Approach to 2, 2-Diaryl-1, 1-difluoro-1-alkenes and 1, 1-Difluoro-2-aryl-1, 3-dienes via Suzuki Coupling of α-Halo-β, β-difluorostyrenes

A Raghavanpillai, DJ Burton - The Journal of Organic Chemistry, 2006 - ACS Publications
α-Halo-β, β-difluorostyrenes [ArCX= CF2; X= Br, I; Ar= aryl, heteroaryl; synthesized by the Pd
(0)-catalyzed coupling reaction of the corresponding α-halo-β, β-difluoroethenylzinc …

Catalytic olefination of carbonyl compounds. A new versatile method for the synthesis of alkenes

VG Nenajdenko, VN Korotchenko, AV Shastin… - Russian chemical …, 2004 - Springer
The review is devoted to a new catalytic olefination reaction (COR) discovered by the
authors. This is the reaction between N-unsubstituted hydrazones of carbonyl compounds …

Diastereoselective synthesis of γ, γ-disubstituted β-hydroxy α, α-difluoro-γ-butyrolactones

T Ishikawa, S Arimitsu - Journal of Fluorine Chemistry, 2022 - Elsevier
The L-proline catalyzed synthesis of α, α-difluoro homoallylic aldehydes was modified, and
these aldehydes bearing either aromatic or aliphatic groups the γ-position were obtained …