Methyldichlorosilane → Dichloro(3-phenylpropyl)silane

HRID 2268195Notes

Reaction equation

HRID 2268195 reaction equation
[CH2:1]=[CH:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[CH3:9][SiH:10]([Cl:12])[Cl:11]>[Pt].C1(C)C=CC=CC=1>[CH2:1]([CH2:9][SiH:10]([Cl:12])[Cl:11])[CH2:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1

Participants

5

Reactant 2

HCID 6376Methyldichlorosilane2×HCID 7501Styrene3×

Product 1

HCID 71431464Dichloro(3-phenylpropyl)silaneYield 22%

Reagents, catalysts & solvents 2

HCID 23939PlatinumCatalystHCID 1140TolueneSolvent

Procedure

Reaction between styrene and methyldichlorosilane with platinum catalyst (no substance acting as auxiliary catalyst). 624 mg Styrene and 732 mg methyldichlorosilane were introduced into a glass tube, and 0.9 mg of a toluene solution of a 0-valent platinum complex of divinylsiloxane (0.04 wt % platinum content) was added. The tube was sealed with Teflon tape and a rubber septum and placed in a 50° C. oil bath where it was heated for 30 minutes. After cooling, the tube contents were analyzed by gas chromatography revealing a styrene conversion of 75% and a phenethylmethyldichlorosilane yield of 22%. The ratio between the phenethylmethyldichlorosilane and the (α-methylbenzyl)methyldichlorosilane was 1.2:1.

Workup

  1. customplaced in a 50° C.
  2. temperaturewas heated for 30 minutes
  3. temperatureAfter cooling

Sources & evidence

ORD record
ord-e5209a7587304bdb907b7a07b025e332
Source dataset
uspto-grants-2001_12
Patent number
US06326506B1

Reaction notes

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