Claims
- 1. The process of reducing .beta.-cyanoethyltrialkoxysilane to mercaptopropyltrialkoxysilane which comprises reacting said cyanoethyltrialkyloxysilane at a temperature between about 50.degree. C and about 300.degree. C with sulfur and hydrogen in the ratio of at least 3 moles of hydrogen for each mole of the silane and at least one mole of sulfur for each mole of the silane, in the presence of about 0.001 to about 10 weight percent based on the weight of the silane, sulfur and hydrogen, of a sulfide or polysulfide of a transition metal consisting of cobalt, nickel, titanium, rhenium and molybdenum.
Parent Case Info
This is a continuation-in-part of copending U.S. application Ser. No. 611,676, filed Sept. 9, 1975 now abandoned, which is, in turn, a continuation of U.S. application Ser. No. 216,728, filed Jan. 10, 1972 now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
2230390 |
Signaigo |
Feb 1941 |
|
3565937 |
Berger |
Feb 1971 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
216728 |
Jan 1972 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
611676 |
Sep 1975 |
|