Methanol → Triphenyl tin methoxide

HRID 328061

Reaction equation

HRID 328061 reaction equation
[C:1]1([Sn:7](Cl)([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[Na].[Cl-].[Na+].[CH3:24][OH:25]>O1CCCC1>[CH3:24][O-:25].[C:14]1([Sn+:7]([C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)[C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=1

Participants

6

Reactant 4

HCID 887Methanol2×HCID 5234Sodium ChlorideHCID 12540Triphenyltin ChlorideHCID 5360545Sodium

Product 1

HCID 23451602Triphenyl tin methoxide

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

115.5 g of triphenyl tin chloride are dissolved in a mixture of 450 g of absolute methanol and 300 g of absolute tetrahydrofuran and mixed with a solution of 7.02 g of sodium in 150 ml of absolute methanol. After stirring for 2 hours at room temperature the resulting precipitate of sodium chloride is filtered off. The solution of triphenyl tin methoxide obtained is combined, accompanied by stirring, with a solution of 600 g of the epoxy resin modified with diketene described in Example 2 dissolved in 300 g of absolute tetrahydrofuran. After stirring for a further 2 hours at room temperature and after distilling off the solvent 696 g of a reddish brown glassy solid product of formula VI above are obtained. Tin content: calculated 5.51%; found 5.45%.

Workup

  1. filtrationis filtered off

Sources & evidence

ORD record
ord-daa566e319864535b88c11e65a57de7e
Source dataset
uspto-grants-1977_04
Patent number
US04016141

Linked notes

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