Maleic Anhydride → HCID 86746749, compound

HRID 1591030Notes

Reaction equation

HRID 1591030 reaction equation
[CH:1]([O:3][CH2:4][CH2:5][O:6][C:7]1[CH:12]=[CH:11][C:10]([CH2:13][O:14][Si:15]([CH3:18])([CH3:17])[CH3:16])=[CH:9][CH:8]=1)=[CH2:2].[C:19]1(=[O:25])[O:24][C:22](=[O:23])[CH:21]=[CH:20]1>ClCCCl>[CH:1]([O:3][CH2:4][CH2:5][O:6][C:7]1[CH:12]=[CH:11][C:10]([CH2:13][O:14][Si:15]([CH3:16])([CH3:18])[CH3:17])=[CH:9][CH:8]=1)=[CH2:2].[C:22]1(=[O:23])[O:24][C:19](=[O:25])[CH:20]=[CH:21]1

Participants

4

Reactant 2

HCID 7923Maleic AnhydrideHCID 19765943HCID 19765943, compound

Product 1

HCID 86746749HCID 86746749, compound

Reagents, catalysts & solvents 1

HCID 111,2-DichloroethaneSolvent

Procedure

In a 50-mL three-neck round-bottom flask equipped with a thermometer, a condenser and a nitrogen inlet, was placed a solution of 4 g of 2-(4-trimethylsilyloxymethyl-phenoxy)ethyl vinyl ether (prepared as in Example 1) and 1.47 g of maleic anhydride in 25.1 mL of 1,2-dichloroethane. The system was purged with nitrogen for 30 minutes. Then 96 mg VAZO®67, and 0.24 mL butanethiol were added under nitrogen. The polymerization was carried out at 60.C for twenty-four hours or longer until complete monomer conversion. The copolymer was isolated by precipitation in hexane.

Workup

  1. customIn a 50-mL three-neck round-bottom flask equipped with a thermometer, a condenser and a nitrogen inlet
  2. customThe system was purged with nitrogen for 30 minutes
  3. additionThen 96 mg VAZO®67, and 0.24 mL butanethiol were added under nitrogen
  4. waitThe polymerization was carried out at 60.C for twenty-four hours or longer until complete monomer conversion
  5. customThe copolymer was isolated by precipitation in hexane

Sources & evidence

ORD record
ord-035c0541acbd47ed841b1a6892146d69
Source dataset
uspto-grants-1993_04
Patent number
US05206053

Reaction notes

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