O-silylated ketene acetals and enol ethers and method of preparation

Claim 2

A O-silylated ketene acetal or enol ether selected from the group of O-silylated ketene acetals and enol ethers consisting essentially of: (a) O-aminosilylated ketene acetals and enol ethers of the general formula: ##STR7## (b) O-siloxanesilylated ketene acetals and enol ethers of the general formulae: ##STR8## (c) O-alkoxysilylated ketene acetals of the general formula: ##STR9## wherein R, R 1 , and R 2 are individually alkyl or aryl group containing 1 to 8 carbon atoms and R can be hydrogen; R 3 , R 4 , R 5 , R 6 , R 7 , and R 10 are individually alkyl groups containing 1 to 8 carbon atoms; R 8 is hydrogen or an alkyl or aryl groups having 1 to 8 carbon atoms; R 9 are individually alkyl or aryl groups having 1 to 8 carbon atoms; Z is selected from the group consisting of hydrogen, an alkyl group, an aryl group, an alkoxy group and an aryloxy group containing from one to fifteen carbon atoms and a has a value of 0 or 1, b has a value of 0 or 1, y has a value from 1 to 500, z has a value from 0 to 499, and, the sum of y+z equals from 1 to 500 with the proviso that if z is 0, a+b must equal at least one; x has a value of 1, 2 or 3; and v has a value of 0, 1 or 2.

Claim 3

The O-silylated ketene acetal and enol ether of claim 1 wherein R, R 1 and R 2 are individually methyl ethyl or phenyl groups and x has a value of 3.

Claim 4

The O-silylated ketene acetal and enol ether of claim 1 wherein R, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 10 are methyl groups.

Claim 5

The O-silylated ketene acetal and enol ether of claim 1 wherein v is 0.

Claim 6

1,1-dimethyl-2-methoxy-2-bis(trimethylsilyloxy)methylsiloxyethylene.

Claim 7

1,1-dimethyl-2-methoxy-2-bis(trimethylsilyloxy)methylsiloxyethylene.

Claim 8

1-methyl-2-methoxy-2-bis(trimethylsilyloxy)methylsiloxyethylene.

Claim 9

1-methyl-2-methoxy-2-bis(trimethylsilyloxy)methylsiloxyethylene.

Claim 10

1,1-dimethyl-2-methoxy-2-heptamethylcyclotetrasiloxyethylene.

Claim 11

1,1-dimethyl-2-methoxy-2-heptamethylcyclotetrasiloxyethylene.

Claim 12

1,3-bis(1,1-dimethyl-2-methoxy-2-ethenoxy)-1,1,3,3-tetramethyldisiloxane.

Claim 13

1,3-bis(1,1-dimethyl-2-methoxy-2-ethenoxy)-1,1,3,3-tetramethyldisiloxane.

Claim 14

1,1-dimethyl-2-methoxy-2-triisopropoxysiloxyethylene.

Claim 15

1,1-dimethyl-2-methoxy-2-triisopropoxysiloxyethylene.

Claim 16

1,1-dimethyl-2-methoxy-2-tritertbutoxysiloxyethylene.

Claim 17

1,1-dimethyl-2-methoxy-2-tritertbutoxysiloxyethylene.

Claim 18

1,1-dimethyl-2-methoxy-1-triethoxysiloxyethylene.

Claim 19

1,1-dimethyl-2-methoxy-1-triethoxysiloxyethylene.

Claim 20

1-methyl-2-methoxy-2-tritertbutoxysiloxyethylene.

Claim 21

1-methyl-2-methoxy-2-tritertbutoxysiloxyethylene.

Claim 22

1-methyl-2-methoxy-2-triisopropoxysiloxyethylene.

Claim 23

1-methyl-2-methoxy-2-triisopropoxysiloxyethylene.

Claim 24

1-methyl-2-methoxy-2-tris(dimethylamino)siloxyethylene.

Claim 25

1-methyl-2-methoxy-2-tris(dimethylamino)siloxyethylene.

Claim 26

1,1-dimethyl-2-methoxy-2-tris(dimethylamino)siloxyethylene.

Claim 27

1,1-dimethyl-2-methoxy-2-tris(dimethylamino)siloxyethylene.

Claim 28

A process for preparing O-silylated ketene acetals and enolethers which comprises a 1,4-hydrosilation of a hydrosilation composition selected from the group consisting of: (a) aminosilanes of the formula: H--Si(NRR.sup.1)×(R.sup.2).sub.3--x ; (b) siloxanes of the formula: ##STR10## and (c) alkoxysilanes of the formula: ##STR11## with an α, β-unsaturated carbonyl compound of the formula: ##STR12## in the presence of a rhodium catalyst wherein R, R 1 , and R 2 are individually alkyl or aryl group containing 1 to 8 carbon atoms and R can be hydrogen; R 3 , R 4 , R 5 , R 6 , R 7 , and R 10 are individually alkyl groups containing 1 to 8 carbon atoms; R 8 is hydrogen or an alkyl or aryl groups having 1 to 8 carbon atoms; R 9 are individually alkyl or aryl groups having 1 to 8 carbon atoms; Z is selected from the group consisting of hydrogen, an alkyl group, an aryl group, an alkoxy group and an aryloxy group containing from one to fifteen carbon atoms and a has a value of 0 or 1, b has a value of 0 or 1, y has a value from 1 to 500, z has a value from 0 to 499, and, the sum of y+z equals from 1 to 500 with the proviso that if z is 0, a+b must equal at least one; x has a value of 1, 2 or 3; and v has a value of 0, 1 or 2.

Claim 29

A process for preparing O-silylated ketene acetals and enolethers which comprises a 1,4-hydrosilation of a hydrosilation composition selected from the group consisting of: (a) aminosilanes of the formula: H--Si(NRR.sup.1)×(R.sup.2).sub.3--x ; (b) siloxanes of the formula: ##STR10## and (c) alkoxysilanes of the formula: ##STR11## with an α, β-unsaturated carbonyl compound of the formula: ##STR12## in the presence of a rhodium catalyst wherein R, R 1 , and R 2 are individually alkyl or aryl group containing 1 to 8 carbon atoms and R can be hydrogen; R 3 , R 4 , R 5 , R 6 , R 7 , and R 10 are individually alkyl groups containing 1 to 8 carbon atoms; R 8 is hydrogen or an alkyl or aryl groups having 1 to 8 carbon atoms; R 9 are individually alkyl or aryl groups having 1 to 8 carbon atoms; Z is selected from the group consisting of hydrogen, an alkyl group, an aryl group, an alkoxy group and an aryloxy group containing from one to fifteen carbon atoms and a has a value of 0 or 1, b has a value of 0 or 1, y has a value from 1 to 500, z has a value from 0 to 499, and, the sum of y+z equals from 1 to 500 with the proviso that if z is 0, a+b must equal at least one; x has a value of 1, 2 or 3; and v has a value of 0, 1 or 2.

Claim 30

The process of claim 16 wherein the catalyst concentration is 0.00001 to 0.05 mole percent based on the hydrosilation composition.

Claim 31

The process of claim 16 wherein the hydrosilation occurs at a temperature greater than 40° C.

Claim 32

The process of claim 18 wherein the temperature is 70° to 150° C.

Claim 33

The process of claim 16 wherein a solvent is employed.

Claim 34

1,1-dimethyl-2-methoxy-2-methyldiethoxysiloxyethylene.

Claim 35

1,1-dimethyl-2-methoxy-2-methyldiethoxysiloxyethylene.

Claim 36

1,1-dimethyl-2-methoxy-2-dimethylaminodimethylsiloxyethylene.

Claim 37

1,1-dimethyl-2-methoxy-2-dimethylaminodimethylsiloxyethylene.

Claim 38

1,1-dimethyl-2-methoxy-2-methyl bis (dimethylamino)siloxyethylene.

Claim 39

1,1-dimethyl-2-methoxy-2-methyl bis (dimethylamino)siloxyethylene.

Claim 40

1,1-dimethyl-2-methoxy-2-dimethylethoxysiloxyethylene.

Claim 41

1,1-dimethyl-2-methoxy-2-dimethylethoxysiloxyethylene.