141850-69-3

Basic information

• Product Name: B,B'-dimesityl-B,B'-dimethoxydiborane⁽⁴⁾
• CAS NO: 141850-69-3
• Molecular Weight: 322.063
• Mol File: 141850-69-3.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: B,B'-dimesityl-B,B'-dimethoxydiborane⁽⁴⁾(CAS DataBase Reference)
• NIST Chemistry Reference: B,B'-dimesityl-B,B'-dimethoxydiborane⁽⁴⁾(141850-69-3)
• EPA Substance Registry System: B,B'-dimesityl-B,B'-dimethoxydiborane⁽⁴⁾(141850-69-3)

Safety Data

• Hazardous Substances Data: 141850-69-3(Hazardous Substances Data)

Upstream product

• 5806-59-7 mesityllithium 
• 67-56-1 methanol 
• 144460-55-9 B,B'-bis(dimethylamino)-B,B'-dimesityldiborane⁽⁴⁾ 
• 7318-94-7 tetramethoxydiborane 

Downstream Products

• 215461-54-4 B,B'-diiodo-B,B'-dimesityldiborane⁽⁴⁾ 
• 29878-00-0 (methoxy)diiodoborane 
• 215461-55-5 B,B'-dimesityl-B,B'-bis(methylamino)diborane⁽⁴⁾ 
• 215461-63-5 2,3-dimesityl-1,4,2,3-dithiadiborinane 
• 215461-58-8 B,B'-dimesityl-B,B'-dipyrrolyldiborane⁽⁴⁾ 
• 215461-60-2 B,B'-di(tert-butyloxy)-B,B'-dimesityldiborane⁽⁴⁾ 
• 215461-62-4 B,B'-di(tert-butylthio)-B,B'-dimesityldiborane⁽⁴⁾ 
• 215461-61-3 B,B'-dimesityl-B,B'-di(phenylthio)diborane⁽⁴⁾ 
• 215461-56-6 B,B'-di(benzylamino)-B,B'-dimesityldiborane⁽⁴⁾ 
• 215461-53-3 B,B'-dibromo-B,B'-dimesityldiborane⁽⁴⁾ 
• 114978-52-8 B,B'-dichloro-B,B'-dimesityldiborane(4) 

Relevant articles and documents

Enhanced thermal stability in organodiborane(4) compounds: Synthesis and structural characterization of MeO(Mes)BB(Mes)OMe, Mes2BB(Mes)OMe, Mes2BB(Mes)Ph, and Mes2BB(Mes)CH2SiMe3 (Mes = 2,4,6-Me3C6H2)

A series of organo-substituted diborane(4) compounds have been prepared and characterized by X-ray crystallography and NMR spectroscopy. The compounds MeO(Mes)BB(Mes)OMe (1), Mes2BB(Mes)OMe (2), Mes2BB(Mes)Ph (3), and Mes2BB(Mes)CH2SiMe3 (4) were synthesized by the reaction of the stable precursor species B2(OMe)4 with the appropriate organolithium reagent. All the compounds are thermally stable, air- and moisture-sensitive, colorless crystalline solids. Moreover, the species 3 and 4 exhibit significantly enhanced thermal stability in comparison to previously reported tetraalkyldiborane(4) derivatives. The X-ray structures of 3 and 4 represent the first structural reports for tetraorganodiborane(4) species. Crystal data with Mo Kα (λ = 0.71069 A?) radiation at 130 K are as follows: 1, MeO(Mes)BB(Mes)OMe, a = 8.324 (2) A?, b = 14.744 (3) A?, c = 15.395 (5) A?, Z = 4, orthorhombic, space group Pc21b, R = 0.059 for 1488 (I > 2σ(I)) data; 2, Mes2BB(Mes)OMe·0.5C5H12, a = 8.666 (10) A?, b = 12.500 (13) A?, c = 13.858 (16) A?, α = 109.90 (8)°, β = 100.51 (8)°, γ = 99.68 (8)°, Z = 2, triclinic, space group P1, R = 0.090 for 1554 (I > 2σ(I)) data; 3, Mes2BB(Mes)Ph, a = 8.911 (3) A?, b = 12.142 (3) A?, c = 13.961 (3) A?, α = 104.04 (2)°, β = 93.88 (3)°, γ = 107.86 (2)°, Z = 2, triclinic, space group P1, R = 0.075 for 1834 (I > 2σ(I)) data; 4, Mes2BB(Mes)CH2SiMe3, a = 12.221 (8) A?, b = 15.880 (7) A?, c = 16.152 (6) A?, α = 112.26 (3)°, β = 93.96 (4)°, γ = 89.97 (4)°, Z = 4 (two independent molecules), triclinic, space group P1, R = 0.087 for 2445 (I > 2σ(I)) data.