Patent number: 5106860
Abstract: Thiazolidin-4-one derivative represented by the following general formula (I) and acid addition salts thereof ##STR1## wherein; R.sup.1 and R.sup.2 are the same or different and denote each(i) a residue represented by the general formula--A--R.sup.4wherein, A denotes a single bond, C.sub.1 -C.sub.8 alkylene, C.sub.2 -C.sub.8 alkenylene, or C.sub.2 -C.sub.8 alkynylene and R.sup.4 denotes hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, or C.sub.1 -C.sub.6 haloalkyl,or(ii) a residue represented by the general formula ##STR2## wherein, B denotes a single bond or C.sub.1 -C.sub.6 alkylene, R.sup.5 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, substituted silyl, or substituted or unsubstituted aryl, n and n' denote each an integer of 2 to 4, m denotes an integer of 1 to 3, and m' denotes an integer of 0 to 2;R.sup.3 denotes hydrogen, C.sub.1 -C.sub.2 alkyl, allyl, 2-propynyl,or(c) the general formula--F--R.sup.
Type:
Grant
Filed:
December 10, 1990
Date of Patent:
April 21, 1992
Assignee:
Sumitomo Chemical Company, Limited
Inventors:
Masao Enomoto, Atsuyuki Kojima, Yoshihiro Komuro, Shigeaki Morooka, Shunji Aono, Yuzuru Sanemitsu, Masato Mizutani, You Tanabe