Abrasive tool making process – material – or composition
Patent
1989-06-21
1990-11-06
Gerstl, Robert
Abrasive tool making process, material, or composition
548151, C07D51304, H61K 31425
Patent
active
049687085
ABSTRACT:
The present invention relates to novel imidazo-[2,1-b]benzothiazole compounds represented by formula (I) and pharmacological acceptable salts thereof: ##STR1## wherein R.sub.1 represents a hydrogen atom or a lower alkyl group having 1 to 4 carbon atoms; R.sub.2 represents a ##STR2## group (wherein X and Y, which may be the same or different, each represents a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted phenyl group), a --CH.sub.2 --O--Z group (wherein Z represents a lower alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted benzyl group) or a --CH.sub.2 --O--CO--W group (wherein W represents an alkyl group having 1 to 8 carbon atoms, an alkylamino group having 1 to 8 carbon atoms, a substituted or unsubstituted phenyl group or a thienyl group); and R.sub.3 ; R.sub.4 and R.sub.5, which may be the same or different, each represents a hydrogen atom, a halogen atom or a lower alkoxy group having 1 to 4 carbon atoms, and antiulcer compositions comprising as the efective ingredient the compounds.
REFERENCES:
patent: 4497817 (1985-02-01), Murase
Il Farmaco-Ed.Sc.-vol. 36-fasc.10, pp. 893-904.
Hoshino Ryuichi
Seki Taketsugu
Tasaka Shigeyuki
Gerstl Robert
Nikken Chemicals Co., Ltd.
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