申请人:Merck & Co., Inc.
公开号:US04977146A1
公开(公告)日:1990-12-11
The present invention is directed to a specifically substituted tetrahydrofuran of the formula (I) ##STR1## wherein R.sup.4 is an alkylthio, alkylsulfinyl or alkylsulfonyl containing group, Y is an alkyl or substituted alkyl group, R.sup.6 is an alkyl or a substituted alkyl group and the substituents at positions 3, 4 or 5 are acyclic.
本发明涉及具有以下结构的特定取代四氢呋喃化合物(I)##STR1##其中R.sup.4是含有烷基硫、烷基亚砜或烷基砜基团,Y是烷基或取代烷基团,R.sup.6是烷基或取代烷基团,而3、4或5位的取代基是非环状的。