Anti-hepatitis and anti-cirrhotic 1,3-dithiol-2-ylidene derivatives, and
申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US04668799A1
公开(公告)日:1987-05-26
A 1,3-dithiol-2-ylidene derivative of the formula: ##STR1## wherein each of R and R.sup.1 which may be the same or different, is a lower alkyl group, a lower alkenyl group, a cycloalkyl group, a lower alkoxyalkyl group, or a substituted or unsubstituted aryl, aralkyl or heterocyclic group, or R and R.sup.1 together form a substituted or unsubstituted ethylene or trimethylene group.
1,3-dithian-2-ylidenes, their oxides, pharmaceutical compositions, and
申请人:Zyma SA
公开号:US04946861A1
公开(公告)日:1990-08-07
The invention relates to the use of ketenethioacetals of the formula ##STR1## in which R.sub.1 represents aryl or heteroaryl, R.sub.2 represents hydrogen, an optionally substituted hydrocarbon radical, heteroaryl, an acyl radical, a group of the formula --S(O).sub.m --R.sub.a, wherein m is 0, 1 or 2 and R.sub.a is an optionally substituted hydrocarbon radical; or optionally functionally modified sulpho, A represents an optionally substituted bivalent aliphatic hydrocarbon radical and n is 0 or 1, and pharmaceutically acceptable salts of such compounds that contains a salt-forming group, for the treatment of liver diseases, respiratory tract diseases and vascular diseases pharmaceutical preparations containing compounds of the formula I and novel compounds of the formula I. The compounds have liver-protecting and immunomodulating properties.
1,3-dithiole derivatives and pharmaceutical compositions
申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US04737494A1
公开(公告)日:1988-04-12
A 1,3-dithiole derivative having the formula: ##STR1## wherein each of R.sup.1 and R.sup.2 is a substituted or unsubstituted alkyl, cycloalkyl, lower alkenyl, lower alkynyl, aryl or aralkyl group or R.sup.1 and R.sup.2 together form a substituted or unsubstituted alkylene or alkenylene group having from 3 to 6 carbon atoms, which may contain a cycloalkylene group, an o-phenylene group or a hetero atom selected from the group consisting of an oxygen atom, a sulfur atom and a nitrogen atom which may have a substituent, and Q is an acid residue useful for the treatment of liver diseases.
A 1,3-dithiol-2-ylidene malonate derivative represented by the general formula (I), ##STR1## wherein R and R.sup.1, which may be same or different, are individually an alkyl group having 1 to 4 carbon atoms is a new compound which is effective as a fungicide.