Propargyl esters of carboxylic acids containing conjugated ethyl

Details Propargyl esters of carboxylic acids containing conjugated ethyl Propargyl esters of carboxylic acids containing conjugated ethyl

1991-12-30

1992-08-04

Shaver, Paul F.

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

Organic compounds

Silicon containing

556440, C07F 708, C07F 710

Patent

active

051360659

ABSTRACT:
Novel propargyl esters are prepared by a base catalyzed condensation reaction of propargyl esters of carboxylic acids containing a labile hydrogen atom at the alpha position relative to the carboxy group, and a terminal aromatic hydrocarbon radical that is linked to the carboxy group through a sequence of carbon atoms containing at least one carbon-to-carbon double bond. If more than one of these double bonds are present they form a conjugated sequence. Novel organosilicon compounds are prepared by reacting these propargyl esters with an organohydrogensilane or an organohydrogensiloxane. The organosilicon compounds undergo a reversible crosslinking reaction in the presence of ultraviolet light.

REFERENCES:
patent: 4010232 (1990-03-01), Arai
patent: 4554339 (1985-11-01), Hockmeyer et al.
patent: 4562278 (1985-12-01), Hill
patent: 4940766 (1990-07-01), Gay et al.
European Polymer Journal, vol. No. 7, pp. 639-645, (1988).

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