Fujisawa Pharmaceutical Company, Ltd.

Masanobu Nagano

Ikuo Ueda

Masayuki Kato

Kiyoshi Taniguchi

Kazunori Tsubaki

Youichi Shiokawa

Kouji Hattori

Seiichiro Tabuchi

Osamu Okitsu

Atsushi Akahane

Hiromichi Itani

Takeshi Kato

Kazuhiko Take

Heterocyclic compounds of the formula: ##STR1## whereinR.sup.1 is carboxy or protected carboxy,

4,5-diaryloxazole derivatives

A compound or the formula: ##STR1## wherein R.sup.1 is carboxy or protected carboxy, R.sup.2 is hydrogen, hydroxy or protected hydroxy,

Naphthalene derivatives

Naphthalene derivatives as prostaglandin I.sub.2 agonsists

This invention relates to new ethanolamine derivatives having gut selective sympathomimetic and anti-pollakiuria activities and represented by the general formula [I]: ##STR1## wherein R.sup.1 is aryl or a heterocyclic group, each of which may be substituted with halogen, etc.,

Ethanolamine derivatives having sympathomimetic and anti-pollakiuria

The invention relates to an imidazopyridine compound of the following formula: ##STR1## wherein R.sup.1 is lower alkynyl, R.sup.2 is lower alkyl, R.sup.3 is lower alkyl, R.sup.4 is amino or acylamino, R.sup.5 is hydrogen; lower alkyl which may be substituted by halogen, halogen; nitro; amino; acylamino; esterified carboxy; or N,N-di(lower)alkylsufamoyl, and A is lower alkylene, and pharmaceutically acceptable salts thereof, useful in the treatment of ulcers.

Anti-ulcerative imidazopyridine compounds

The invention relates to an imidazopyridine compound of the formula: ##STR1## wherein R.sup.1 is lower alkynyl, lower alkynyloxy(lower)alkyl or N,N-di(lower)alkylamino(lower)alkynyl,

Imidazopyridine compounds and processes for preparation thereof

New .alpha.-aryl-.alpha.-pyridylalkanoic acid derivatives of the formula: ##STR1## wherein R.sup.1 is cyano or carbamoyl,

.alpha.-Aryl-.alpha.-pyridylalkanoic acid derivatives, process for

New fused imidazole compounds of the formula: ##STR1## wherein A is lower alkylene,

Antiulcer fused imidazole compounds

This invention is directed to new quinazoline derivatives of the following formula having use in the treatment of symptoms associated with allergic manifestations. ##STR1## wherein R.sub.a.sup.1 and R.sub.b.sup.1 are C.sub.2 -C.sub.7 alkoxycarbonyl or R.sub.a.sup.1 and R.sub.b.sup.1 is linked together to form a group of the formula: ##STR2## R.sup.2 and R.sup.3 are hydrogen, C.sub.1 -C.sub.6 alkyl, halogen, nitro, amino, C.sub.1 -C.sub.6 alkoxy, phenoxy, C.sub.1 -C.sub.6 alkylthio, C.sub.1 -C.sub.6 alkylpiperazinyl, C.sub.1 -C.sub.18 alkanoylamino, di(C.sub.1 -C.sub.6)alkanoylamino, C.sub.3 -C.sub.9 alkoxalylamino, C.sub.4 -C.sub.8 cycloalkylcarbonylamino, C.sub.3 -C.sub.7 cycloalkyl(C.sub.1 -C.sub.6)alkanoylamino, benzamido, phenyl(C.sub.1 -C.sub.6)alkanoylamino, C.sub.1 -C.sub.6 alkylsulfonylamino or di(C.sub.1 -C.sub.6)alkylamino which may be substituted with hydroxy,

Quinazoline derivatives

Quinazoline derivatives of the formulae: ##STR1## wherein A.sup.1 is ##STR2## A.sup.2 is ##STR3## R.sup.1 is hydrogen, carboxy or esterified carboxy, R.sub.a.sup.1 and R.sub.b.sup.1 are esterified carboxy,

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Kagoshima, Japan

Masanobu Nagano