Process for the manufacture of (iodoorganyl)alkoxysilanes

Details Process for the manufacture of (iodoorganyl)alkoxysilanes Process for the manufacture of (iodoorganyl)alkoxysilanes

1981-12-14

1982-12-07

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

556476, C07F 708, C07F 718

Patent

active

043628850

ABSTRACT:
The subject of the invention is a process for the manufacture of (iodoorganyl)alkoxysilanes of the general formula: ##STR1## in which R.sup.1 is an alkylene group, R.sup.2 is an alkoxy group and R.sup.3 and R.sup.4 an alkoxy group and/or an alkyl or aryl group, whereby the chlorine or bromine compound corresponding to that of formula (1) is caused to react with stoichiometric to double molar quantities of an inorganic iodine donor in the presence of 0.01-5 mol % of an organic substituted onium salt of nitrogen, phosphorus, arsenic or antimony or an organic substituted sulfonium salt or a crown ether as catalyst, in certain solubilizing agents.

REFERENCES:
patent: 2803638 (1957-08-01), Holdstock
patent: 2972638 (1961-02-01), Tiers
patent: 3125594 (1964-03-01), Hubel et al.
patent: 3342898 (1967-09-01), Roselli
patent: 3449393 (1969-06-01), Sattlegger et al.
patent: 3897479 (1975-07-01), Inamoto et al.

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