Synthesis and reactivity of a Lewis-Base stabilized tert-butyl arsanylborane: A versatile building block for arsenic-boron oligomers

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Synthesis and reactivity of a Lewis-Base stabilized tert-butyl arsanylborane: A versatile building block for arsenic-boron oligomers. / Lehnfeld, Felix; Seidl, Michael; Тимошкин, Алексей Юрьевич; Scheer, Manfred.

In: European Journal of Inorganic Chemistry, Vol. 2022, No. 3, e202100930, 27.01.2022.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{c6bdf0ac5688433d97ec9199678d5e4b,

title = "Synthesis and reactivity of a Lewis-Base stabilized tert-butyl arsanylborane: A versatile building block for arsenic-boron oligomers",

abstract = "The synthesis and reactivity of the tert-butyl-substituted arsanylborane tBuAsHBH 2 ⋅ NMe 3 (1) stabilized by a Lewis base (LB) are reported. Compound 1 is obtained by the reaction of in situ generated NatBuAsH with IBH 2 ⋅ NMe 3. By the reaction of 1 with Lewis acids the neutral compounds BBr 3 ⋅ tBuAsHBH 2 ⋅ NMe 3 (2) and BH 3 ⋅ tBuAsHBH 2 ⋅ NMe 3 (3) as well as coordination products towards Group 6 metal complexes [M(CO) 4(tBuAsHBH 2 ⋅ NMe 3) 2] (M=Cr, Mo, W; 4 a–c) are obtained. Upon reaction with IBH 2 ⋅ LB (LB=SMe 2, NMe 3), the cationic oligomeric arsanylboranes [(Me 3N ⋅ BH 2tBuAsHBH 2 ⋅ NMe 3)]I (5) and [H 2B(tBuAsHBH 2 ⋅ NMe 3) 2]I (6) were isolated. Compound 1 was also used as starting material for the synthesis of the first oligomeric arsanylboranes obtained by thermal oligomerization under different conditions. DFT computations support the experimental observations. ",

keywords = "Arsenic, Boron, Group 13/15 compounds, LA/LB adducts, Oligomers, PHOSPHORUS, Group 13, COMPLEXES, POLYMERIZATION, AMINE, BORANE, INORGANIC POLYMERS, LB adducts, P BONDS, LA, 15 compounds, CHEMISTRY, BASIS-SETS, CHAINS",

author = "Felix Lehnfeld and Michael Seidl and Тимошкин, {Алексей Юрьевич} and Manfred Scheer",

note = "Publisher Copyright: {\textcopyright} 2021 The Authors. European Journal of Inorganic Chemistry published by Wiley-VCH GmbH",

year = "2022",

month = jan,

day = "27",

doi = "10.1002/ejic.202100930",

language = "English",

volume = "2022",

journal = "Berichte der deutschen chemischen Gesellschaft",

issn = "0365-9496",

publisher = "Wiley-Blackwell",

number = "3",

}

RIS

TY - JOUR

T1 - Synthesis and reactivity of a Lewis-Base stabilized tert-butyl arsanylborane: A versatile building block for arsenic-boron oligomers

AU - Lehnfeld, Felix

AU - Seidl, Michael

AU - Тимошкин, Алексей Юрьевич

AU - Scheer, Manfred

PY - 2022/1/27

Y1 - 2022/1/27

N2 - The synthesis and reactivity of the tert-butyl-substituted arsanylborane tBuAsHBH 2 ⋅ NMe 3 (1) stabilized by a Lewis base (LB) are reported. Compound 1 is obtained by the reaction of in situ generated NatBuAsH with IBH 2 ⋅ NMe 3. By the reaction of 1 with Lewis acids the neutral compounds BBr 3 ⋅ tBuAsHBH 2 ⋅ NMe 3 (2) and BH 3 ⋅ tBuAsHBH 2 ⋅ NMe 3 (3) as well as coordination products towards Group 6 metal complexes [M(CO) 4(tBuAsHBH 2 ⋅ NMe 3) 2] (M=Cr, Mo, W; 4 a–c) are obtained. Upon reaction with IBH 2 ⋅ LB (LB=SMe 2, NMe 3), the cationic oligomeric arsanylboranes [(Me 3N ⋅ BH 2tBuAsHBH 2 ⋅ NMe 3)]I (5) and [H 2B(tBuAsHBH 2 ⋅ NMe 3) 2]I (6) were isolated. Compound 1 was also used as starting material for the synthesis of the first oligomeric arsanylboranes obtained by thermal oligomerization under different conditions. DFT computations support the experimental observations.

AB - The synthesis and reactivity of the tert-butyl-substituted arsanylborane tBuAsHBH 2 ⋅ NMe 3 (1) stabilized by a Lewis base (LB) are reported. Compound 1 is obtained by the reaction of in situ generated NatBuAsH with IBH 2 ⋅ NMe 3. By the reaction of 1 with Lewis acids the neutral compounds BBr 3 ⋅ tBuAsHBH 2 ⋅ NMe 3 (2) and BH 3 ⋅ tBuAsHBH 2 ⋅ NMe 3 (3) as well as coordination products towards Group 6 metal complexes [M(CO) 4(tBuAsHBH 2 ⋅ NMe 3) 2] (M=Cr, Mo, W; 4 a–c) are obtained. Upon reaction with IBH 2 ⋅ LB (LB=SMe 2, NMe 3), the cationic oligomeric arsanylboranes [(Me 3N ⋅ BH 2tBuAsHBH 2 ⋅ NMe 3)]I (5) and [H 2B(tBuAsHBH 2 ⋅ NMe 3) 2]I (6) were isolated. Compound 1 was also used as starting material for the synthesis of the first oligomeric arsanylboranes obtained by thermal oligomerization under different conditions. DFT computations support the experimental observations.

KW - Arsenic

KW - Boron

KW - Group 13/15 compounds

KW - LA/LB adducts

KW - Oligomers

KW - PHOSPHORUS

KW - Group 13

KW - COMPLEXES

KW - POLYMERIZATION

KW - AMINE

KW - BORANE

KW - INORGANIC POLYMERS

KW - LB adducts

KW - P BONDS

KW - LA

KW - 15 compounds

KW - CHEMISTRY

KW - BASIS-SETS

KW - CHAINS

UR - http://www.scopus.com/inward/record.url?scp=85119852048&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/b3d875dd-0973-3ce2-be24-76b6c9b7279c/

U2 - 10.1002/ejic.202100930

DO - 10.1002/ejic.202100930

M3 - Article

VL - 2022

JO - Berichte der deutschen chemischen Gesellschaft

JF - Berichte der deutschen chemischen Gesellschaft

SN - 0365-9496

IS - 3

M1 - e202100930

ER -

ID: 88040330