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:
Jul. 19, 1994
Filed:
Jul. 23, 1992
Takumi Tokunaga, Shinnanyo, JP;
Teruhiko Ide, Shinnanyo, JP;
Hiroyuki Watanabe, Shinnanyo, JP;
Kenji Tsuzuki, Shinnanyo, JP;
Tosoh Corporation, Yamaguchi, JP;
Abstract
Tetrahydroisoquinoline derivatives of the following formula [I] and acid addition salts thereof, and ##STR1## (wherein in all of these formulae, R.sup.1 represents C.sub.1 -C.sub.5 straight or branched alkyl, C.sub.2 -C.sub.5 straight or branched alkenyl or C.sub.2 -C.sub.5 straight or branched alkynyl; R.sup.2 represents hydrogen atom, C.sub.1 -C.sub.10 straight or branched alkyl, C.sub.2 -C.sub.10 straight or branched alkenyl, C.sub.2 -C.sub.10 straight or branched alkynyl, C.sub.1 -C.sub.10 straight or branched alkoxy, C.sub.2 -C.sub.10 straight or branched alkenyloxy, C.sub.2 -C.sub.10 straight or branched alkynyloxy, or C.sub.1 -C.sub.10 straight or branched halogenated alkyl; R.sup.3, R.sup.4 R.sup.5 and R.sup.6, the same or different represent hydrogen atom, C.sub.1 -C.sub.10 straight or branched alkyl, C.sub.2 -C.sub.10 straight or branched alkenyl, C.sub.2 -C.sub.10 straight or branched alkynyl, C.sub.1 -C.sub.10 straight or branched alkoxy, C.sub.2 -C.sub.10 straight or branched alkenyloxy, C.sub.2 -C.sub.10 straight or branched alkynyloxy or halogen atom, with the proviso that R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are not hydrogen atoms simultaneously).