[HTML][HTML] Activation of the Si–B interelement bond related to catalysis

JJ Feng, W Mao, L Zhang, M Oestreich - Chemical Society Reviews, 2021 - pubs.rsc.org
Si–B reagents, namely silylboronic esters and silylboranes, have become increasingly
attractive as versatile reagents to introduce silicon and boron atoms into organic …

Recent advances in the stereoselective synthesis of acyclic all-carbon tetrasubstituted alkenes

F Buttard, J Sharma, PA Champagne - Chemical Communications, 2021 - pubs.rsc.org
Alkenes bearing four carbon-based groups are ubiquitous motifs in chemical sciences due
to their various applications from medicinal to materials chemistry, and as chemical …

Transition Metal-Free Trans Hydroboration of Alkynoic Acid Derivatives: Experimental and Theoretical Studies

R Fritzemeier, A Gates, X Guo, Z Lin… - The Journal of Organic …, 2018 - ACS Publications
We report a phosphine-catalyzed trans hydroboration of alkynoate esters and amides. The
reaction proceeds under mild conditions with exclusive (E)-selectivity to afford (E)-β-boryl …

A syn outer-sphere oxidative addition: the reaction mechanism in Pd/Senphos-catalyzed carboboration of 1, 3-enynes

Z Wang, W Lamine, K Miqueu, SY Liu - Chemical Science, 2023 - pubs.rsc.org
We report a combined experimental and computational study of Pd/Senphos-catalyzed
carboboration of 1, 3-enynes utilizing DFT calculations, 31P NMR study, kinetic study …

C− Boron Enolates Enable Palladium Catalyzed Carboboration of Internal 1, 3‐Enynes

Z Wang, J Wu, W Lamine, B Li… - Angewandte Chemie …, 2021 - Wiley Online Library
A new family of carbon‐bound boron enolates, generated by a kinetically controlled halogen
exchange between chlorocatecholborane and silylketene acetals, is described. These C …

Ligand-dependent-controlled copper-catalyzed regio-and stereoselective silaboration of alkynes

M Zhao, CC Shan, ZL Wang, C Yang, Y Fu… - Organic letters, 2019 - ACS Publications
A copper-catalyzed highly regio-and stereoselective silaboration of alkynes was developed.
In this work, direct cis-difunctionalization of alkynes was realized with silaboronate reagent …

Organocatalytic trans Phosphinoboration of Internal Alkynes

RG Fritzemeier, J Nekvinda, CM Vogels… - Angewandte Chemie …, 2020 - Wiley Online Library
We report the first trans phosphinoboration of internal alkynes. With an organophosphine
catalyst, alkynoate esters and the phosphinoboronate Ph2P‐Bpin are efficiently converted …

Aqueous hydroboration of alkynes via nonclassical generation of N-heterocyclic carbenes

S Tao, Y Wang, Q Pan, J Zhao, Q Bu, F Chen, J Liu… - Green …, 2023 - pubs.rsc.org
The hydroboration of alkynes with bis (pinacolato) diboron (B2pin2) using H2O or untreated
H2O as a solvent is a challenging task. This work reports the aqueous N-heterocyclic …

Synthesis of Tri‐and Tetrasubstituted Alkenyl Boronates from Alkynes

J Altarejos, A Valero, R Manzano… - European Journal of …, 2022 - Wiley Online Library
The synthesis of organoboron compounds have attracted the attention of the synthetic
community. In particular, molecules with C (sp2)‐B bonds enable the transformation to new …

anti‐Selective Borylstannylation of Alkynes with (o‐Phenylenediaminato)borylstannanes by a Radical Mechanism

K Suzuki, N Sugihara, Y Nishimoto… - Angewandte Chemie …, 2022 - Wiley Online Library
We have achieved the first anti‐borylstannylation of alkynes by using (o‐
phenylenediaminato) borylstannanes. This reaction afforded 1‐boryl‐2‐stannylalkenes with …