Diboron (4) compounds: from structural curiosity to synthetic workhorse

EC Neeve, SJ Geier, IAI Mkhalid, SA Westcott… - Chemical …, 2016 - ACS Publications
Although known for over 90 years, only in the past two decades has the chemistry of diboron
(4) compounds been extensively explored. Many interesting structural features and reaction …

Transition-metal-free B–B and B–interelement reactions with organic molecules

AB Cuenca, R Shishido, H Ito… - Chemical Society Reviews, 2017 - pubs.rsc.org
This review is a guided tour along the activation modes and reactivity of B–B, B–Si, B–N, B–
S, B–Se and B–P reagents, in the absence of any transition metal complex. Here are …

Direct synthesis of multi (boronate) esters from alkenes and alkynes via hydroboration and boration reactions

X Wang, Y Wang, W Huang, C Xia, L Wu - ACS Catalysis, 2020 - ACS Publications
Multi (boronate) esters have been attracting increasing attention as versatile building blocks
for the succinct and precise synthesis of complex molecules. However, there are a limited …

Homolytic cleavage of a B− B bond by the cooperative catalysis of two Lewis bases: computational design and experimental verification

G Wang, H Zhang, J Zhao, W Li, J Cao… - Angewandte …, 2016 - Wiley Online Library
Density functional theory (DFT) investigations revealed that 4‐cyanopyridine was capable of
homolytically cleaving the B− B σ bond of diborane via the cooperative coordination to the …

1, 2-Boron shifts of β-boryl radicals generated from bis-boronic esters using photoredox catalysis

D Kaiser, A Noble, V Fasano… - Journal of the American …, 2019 - ACS Publications
1, 2-Bis-boronic esters are versatile intermediates that enable the rapid elaboration of
simple alkene precursors. Previous reports on their selective mono-functionalization have …

Palladium-catalyzed remote diborylative cyclization of dienes with diborons via chain walking

S Kanno, F Kakiuchi, T Kochi - Journal of the American Chemical …, 2021 - ACS Publications
A novel method for catalytic remote bismetalation of alkene substrates by the addition of
dimetal reagents is accomplished by using chain walking. In the presence of a palladium …

Transition metal-free synthesis of alkyl pinacol boronates

KK Das, S Paul, S Panda - Organic & Biomolecular Chemistry, 2020 - pubs.rsc.org
Alkyl pinacol boronic esters have been routinely used for the synthesis of complex target
molecules or high-value chemicals due to their non-toxicity, stability and commercial …

Transition‐Metal‐Free Borylation of Allylic and Propargylic Alcohols

N Miralles, R Alam, KJ Szabó… - Angewandte …, 2016 - Wiley Online Library
The base‐catalyzed allylic borylation of tertiary allylic alcohols allows the synthesis of 1, 1‐
disubstituted allyl boronates, in moderate to high yield. The unexpected tandem …

Efficient Enantio-, Diastereo, E/Z-, and Site-Selective Nickel-Catalyzed Fragment Couplings of Aldehydes, Dienes, and Organoborons

JS Marcum, SJ Meek - Journal of the American Chemical Society, 2022 - ACS Publications
The enantioselective synthesis of bis-homoallylic alcohols through nickel-catalyzed three-
component fragment couplings of simple aldehydes, dienes, and aryl organoborons is …

Alkoxide activation of tetra-alkoxy diboron reagents in C–B bond formation: a decade of unpredictable reactivity

JJ Carbó, E Fernández - Chemical Communications, 2021 - pubs.rsc.org
Any attempt to facilitate a new generation of C–B bonds represents a useful tool in organic
synthesis. In addition, if that approach highlights the nucleophilic character of boryl moieties …