2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Base Information

Chemical Name:2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
CAS No.:1338777-82-4
Molecular Formula:C₂₀H₃₂B₂O₆
Molecular Weight:390.092
Hs Code.:

Synonyms:2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Suppliers and Price of 2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Total 6 raw suppliers

Chemical Property of 2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Chemical Property:

Boiling Point:500.8±50.0 °C(Predicted)
Density:1.07±0.1 g/cm3(Predicted)

Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of 2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

There total 4 articles about 2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 92.0%

: 76-09-5
2,3-dimethyl-2,3-butane diol

: (2,5-dimethoxy-1,4-phenylene)diboronic acid

: 1338777-82-4
2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Guidance literature:: In tetrahydrofuran; for 8h; Reflux;
DOI:10.1246/cl.2011.1445

Reference yield: 80.0%

: 2674-34-2
1,4-dibromo-2,5-dimethoxybenzene

: 73183-34-3
bis(pinacol)diborane

: 1338777-82-4
2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Guidance literature:: 1,4-dibromo-2,5-dimethoxybenzene; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 1h; Inert atmosphere;

bis(pinacol)diborane; In tetrahydrofuran; hexane; at -78 - 20 ℃; Inert atmosphere;

Reference yield: 80.0%

: 61676-62-8
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

: 51560-21-5
1,4-diiodo-2,5-dimethoxybenzene

: 1338777-82-4
2,2'-(2,5-dimethoxy-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Guidance literature:: With (CH₃)3CLi; In tetrahydrofuran; pentane; (CH3)3CLi in pentane added dropwise to a soln. of (CH3O)2C6H2I2 in THF at -78°C, stirred for 1 h at -78°C, B compd. added dropwise, allowed to warm to room temp. and stirred overnight; THF-removed (vac.), H2O added, pH adjusted to 8 with HCl soln., extd. (Et2O), the org. phase washed (brine), dried (Na2SO4), evapd. (vac.), recrystd. (petrol);
DOI:10.1039/c1dt10667h