pinacolyl 2,3-dimethylbenzene-1,4-bisboronate

Base Information

Chemical Name:pinacolyl 2,3-dimethylbenzene-1,4-bisboronate
CAS No.:1197732-41-4
Molecular Formula:C₂₀H₃₂B₂O₄
Molecular Weight:358.094
Hs Code.:

Synonyms:pinacolyl 2,3-dimethylbenzene-1,4-bisboronate

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Chemical Property of pinacolyl 2,3-dimethylbenzene-1,4-bisboronate

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Technology Process of pinacolyl 2,3-dimethylbenzene-1,4-bisboronate

There total 1 articles about pinacolyl 2,3-dimethylbenzene-1,4-bisboronate 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:

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

: 121-43-7,63156-11-6
Trimethyl borate

: 75024-22-5
1,4-dibromo-2,3-dimethylbenzene

: 1197732-41-4
pinacolyl 2,3-dimethylbenzene-1,4-bisboronate

Guidance literature:: 1,4-dibromo-2,3-dimethylbenzene; With n-butyllithium; In diethyl ether; cyclohexane; at -70 ℃; for 1h;

2,3-dimethyl-2,3-butane diol; Trimethyl borate; In toluene; at 20 ℃; for 3h; Heating;

Reference yield:

: 1197732-41-4
pinacolyl 2,3-dimethylbenzene-1,4-bisboronate

: 1197732-52-7
5,6,11,11,12,12-Hexamethyl-N,N,N',N'-tetraphenyl-11H,12H-indeno[2,1-a]fluorene-2,9-diamine

Guidance literature:: Multi-step reaction with 5 steps

1.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / toluene; ethanol; water / 4 h / Heating; Cooling with ice-water

2.1: methyllithium / diethyl ether; tetrahydrofuran / 3 h / -75 °C

2.2: -75 - 20 °C

3.1: hydrogenchloride / water; acetic acid / 4 h / Heating

4.1: bromine; sodium carbonate / dichloromethane; water / 6.25 h / 5 °C

5.1: sodium t-butanolate; tri-tert-butyl phosphine / palladium diacetate / toluene / 3 h / Inert atmosphere; Heating

With hydrogenchloride; tri-tert-butyl phosphine; methyllithium; bromine; sodium carbonate; sodium t-butanolate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; palladium diacetate; In tetrahydrofuran; diethyl ether; ethanol; dichloromethane; water; acetic acid; toluene; 1.1: Suzuki Coupling / 5.1: Hartwig-Buchwald coupling;