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BORYLENE

Borylene

A borylene is the boron analogue of a carbene. The general structure is R-B: with R an organic moiety and B a boron atom with two unshared electrons. Borylenes

Borylene

Borirene

Chemical compound

and are prepared through either a rearrangement or a borylene pathway as shown in Scheme 1: Borylene addition is a widely utilized method for the synthesis

Borirene

Boron monofluoride

Chemical compound

fluorine atoms, compared with boron trifluoride. It can also be called a borylene, as it contains boron with two unshared electrons. BF is isoelectronic

Boron monofluoride

Boron_monofluoride

Boron monohydride

Chemical compound

Borane(1), boron monohydride, hydridoboron or borylene is the molecule with the formula BH. It exists as a gas but rapidly degrades when condensed. By

Boron monohydride

Boron_monohydride

Holger Braunschweig

German chemist (born 1961)

the field of transition metal-boron multiple bonding (transition metal borylenes), the synthesis of the first stable compounds containing boron-boron and

Holger Braunschweig

Holger_Braunschweig

9-Borafluorene

Class of chemical compounds

metal in diethyl ether to yield the reactive, highly electron-deficient borylene intermediate, which is able to insert into the strong C–C σ bond to form

9-Borafluorene

Onium ion

Class of positively-charged molecules

hydride, typically named -ane or -ine. borenium cations, R2B+ (protonated borylenes a.k.a. boranylidenes) carbenium cations, R3C+ (protonated carbenes) have

Onium ion

Onium_ion

Gallylene

gallium species which may have a lone pair, analogous to NHC's or terminal borylenes. They are compounds of academic interest because of their distinctive

Gallylene

Carbene analog

Group of carbenes

and group 16. In group 13 elements the boron carbene analog is called a borylene or boranylidene. The heavier group 14 carbenes are silylenes, R2Si:, germylenes

Carbene analog

Carbene_analog

Main-group element-mediated activation of dinitrogen

Chemical reactions

amino carbenes, Dur = durenyl). The initial step is proposed to involve a borylene radical binding to N2. The dipotassium complex {[(CAAC)DurB]2(μ2-N2K2)}

Main-group element-mediated activation of dinitrogen

Main-group_element-mediated_activation_of_dinitrogen

Z-Ligand

Covalent bond classification

as well as the various ligands attached to the metal. The boride and borylene motifs tend to have the shortest bonds, typically from 2.00 to 2.15 Å.

Z-Ligand

Simon Aldridge

British Inorganic Chemist

Joanna K.; Ooi, Li-Ling; Aldridge, Simon (2005-11-18). "Cationic Terminal Borylene Complexes: A Synthetic and Mechanistic Investigation of MB Metathesis

Simon Aldridge

Simon_Aldridge

Organoboron chemistry

Study of compounds containing a boron-carbon bond

product is isoelectronic to an N-heterocyclic carbene. Related ligands are borylenes (M–B(R)–M). Alkylideneboranes (RB=CRR) with a boron–carbon double bond

Organoboron chemistry

Organoboron_chemistry

Viktoria Däschlein-Gessner

German chemist

Rian D Dewhurst; Viktoria H Gessner (12 February 2013). "Transition metal borylene complexes". Chemical Society Reviews. 42 (8): 3197–3208. doi:10.1039/C3CS35510A

Viktoria Däschlein-Gessner

Viktoria_Däschlein-Gessner

Cyclic alkyl amino carbenes

Family of chemical compounds

CAAC-MCl2 complex. CAACS have also been shown to stabilize nucleophilic borylenes and their corresponding radical cations. Group 14 is dominated by organic

Cyclic alkyl amino carbenes