Hexamethylcyclotrisiloxane → Nonamethyltetrasiloxanyl 2-methylprop-2-enoate

HRID 736583

Reaction equation

HRID 736583 reaction equation
[CH3:1][Si:2]1([CH3:12])[O:7][Si:6]([CH3:9])([CH3:8])[O:5][Si:4]([CH3:11])([CH3:10])[O:3]1.[C:13]([O:18][Si:19](C)([CH3:21])[CH3:20])(=[O:17])[C:14]([CH3:16])=[CH2:15].F[C:24](F)(F)S(O)(=O)=O>C(N(CC)CC)C>[CH3:24][Si:2]([CH3:12])([CH3:1])[O:3][Si:4]([CH3:11])([CH3:10])[O:5][Si:6]([CH3:9])([CH3:8])[O:7][Si:19]([CH3:21])([CH3:20])[O:18][C:13](=[O:17])[C:14]([CH3:16])=[CH2:15]

Participants

5

Reactant 3

HCID 10914HexamethylcyclotrisiloxaneHCID 62406Trifluoromethanesulfonic acidHCID 27338392-Propenoic acid, 2-methyl-, trimethylsilyl ester

Product 1

HCID 12991985Nonamethyltetrasiloxanyl 2-methylprop-2-enoate

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

5 g of hexamethylcyclotrisiloxane, 3.5 g of trimethylsilyl methacrylate, 0.016 g of trifluoromethane sulfonic acid were stirred for 24 h at room temperature. 0.5 ml of triethylamine was then added, and the salts were filtered to furnish nonamethyl-1-methacryloyloxy-tetrasiloxane.

Workup

  1. filtrationthe salts were filtered

Sources & evidence

ORD record
ord-9f5b029e75fd41529db837badcc7691e
Source dataset
uspto-grants-2009_09
Patent number
US07595370B2

Linked notes

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