4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane

Base Information

Chemical Name:4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane
CAS No.:1424999-28-9
Molecular Formula:C₁₆H₂₃BO₄S
Molecular Weight:322.233
Hs Code.:

Synonyms:4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane

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Chemical Property of 4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane

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Technology Process of 4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane

There total 6 articles about 4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-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: 71.0%

: 13603-88-8
<2-butynylsulfonyl>benzene

: 73183-34-3
bis(pinacol)diborane

: 1424999-28-9
4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane

Guidance literature:: With methanol; tri-tert-butyl phosphine; copper dichloride; sodium t-butanolate; In toluene; at 0 - 20 ℃; for 1.5h; regioselective reaction; Inert atmosphere;
DOI:10.1021/ol4007663

Reference yield: 70.0%

: 1424999-26-7
4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)prop-1-en-2-yl)-1,3,2-dioxaborolane

: 74-88-4
methyl iodide

: 1424999-28-9
4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane

Guidance literature:: 4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)prop-1-en-2-yl)-1,3,2-dioxaborolane; With lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃; for 1h;

methyl iodide; In tetrahydrofuran; at 20 ℃; for 3h;
DOI:10.1039/c3cc00030c

Reference yield:

: 13610-06-5
but-3-yn-2-yl(phenyl)sulfane

: 1424999-28-9
4,4,5,5-tetramethyl-2-(3-(phenylsulfonyl)but-1-en-2-yl)-1,3,2-dioxaborolane

Guidance literature:: Multi-step reaction with 2 steps

1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere; Cooling with ice

2: copper dichloride; sodium t-butanolate; tri-tert-butyl phosphine; methanol / toluene / 1.5 h / 0 - 20 °C / Inert atmosphere

With methanol; tri-tert-butyl phosphine; 3-chloro-benzenecarboperoxoic acid; copper dichloride; sodium t-butanolate; In dichloromethane; toluene;
DOI:10.1021/ol4007663