The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 1985
Filed:
Oct. 17, 1983
Shigeshi Toyoshima, Tokyo, JP;
Masayasu Kurono, Nagoya, JP;
Ryoichi Unno, Nagoya, JP;
Koichi Ito, Higashi-kurume, JP;
Sanwa Kagaku Kenkyusho Co. Ltd., Aichi, JP;
Shin-Etsu Chemical Co. Ltd., Tokyo, JP;
Abstract
A novel organosilicon compound represented by a formula ##STR1## wherein A is methylene, carbonyl or sulfonyl group; R, R.sub.1 and R.sub.2 are alkyl group, respectively; R.sub.3 is alkyl, substituted alkyl, alkenyl, phenyl, substituted phenyl, naphthyl, substituted naphthyl, pyridyl, substituted pyridyl, furyl, substituted furyl, thienyl, substituted thienyl group or cycloalkyl group together with the substituent A; R.sub.4 is hydrogen, alkyl or alkenyl group; and R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11 and R.sub.12 are hydrogen, alkyl or substituted alkyl, respectively, a non-toxic salt thereof, a process for the preparation of said compound or salt, as well as an antitumor agent comprising as an effective agent at least one of said compound and salt.