Pinacol → 4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane

HRID 1822675Notes

Reaction equation

[CH3:1][C:2]1[CH:3]=[C:4]([B:7]([OH:9])[OH:8])[S:5][CH:6]=1.O[C:11]([C:14](O)([CH3:16])[CH3:15])([CH3:13])[CH3:12]>>[CH3:12][C:11]1([CH3:13])[C:14]([CH3:16])([CH3:15])[O:9][B:7]([C:4]2[S:5][CH:6]=[C:2]([CH3:1])[CH:3]=2)[O:8]1

Participants

Reactant 2

HCID 6425Pinacol

HCID 27343734-Methylthiophene-2-boronic acid

Product 1

HCID 104435924,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolaneYield 54%

Procedure

The title compound (54%, oil) was prepared from 4-methylthiophen-2-yl-boronic acid and pinacol.

Sources & evidence

ORD record: ord-6c2df119b17546c29fd9514fcaff9ca8
Source dataset: uspto-grants-2006_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07037905B2

Reaction notes

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