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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1491147Generated: October 31, 2026

Benzene, 1-methyl-3-(methylthio)- → 4,4,5,5-Tetramethyl-2-(3-methyl-5-(methylthio)phenyl)-1,3,2-dioxaborolane

https://huagongshe.com/reaction/1491147

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzene, 1-methyl-3-(methylthio)-HCID 21005—
Reagent4,4'-Dimethyl-2,2'-bipyridineHCID 14338—
ReagentBis(pinacolato)diboraneHCID 2733548—
CatalystBis(1,5-cyclooctadiene)dimethoxydiiridiumHCID 76001521—
SolventP-XyleneHCID 7809—
Product4,4,5,5-Tetramethyl-2-(4-methyl-2-(methylthio)phenyl)-1,3,2-dioxaborolaneHCID 13837587310%
Product4,4,5,5-Tetramethyl-2-(3-methyl-5-(methylthio)phenyl)-1,3,2-dioxaborolaneHCID 16489188552%

Reaction Conditions

Temperature55 °C

Reaction Steps

dtbpy: A mixture of ortho- and meta-borylated products (82 mg, 62% yield, ortho/meta + para = 0.16); meta-Isomer 5j was obtained by further purification by GPC (65 mg, 48% yield), white solid;

Provenance & Evidence

DOI10.1002/anie.201610041
Source datasetBorylation dataset from Roche
ORD IDord-5c6ce2a28c9749d281016644e487345d
Source noteBorylation dataset from Roche