Kanegafuchi Kagaku Kogyo Kabushiki Kaisha

Naohiro Imai

Kiyoshi Watanabe

Takayoshi Hidaka

Ikuo Katsumi

Tadayoshi Shiraishi

Keiji Kameyama

Takeshi Domoto

Kazunori Hosoe

Yoshio Shimada

Yutaka Ariki

Masaji Kawatsu

Kazunoro Hosoe

A hydroxystyrene derivative represented by the formula (I): ##STR1## wherein when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O- (R.sup.5 : H, a C.sub.1 to C.sub.5 alkyl group or benzyl group) and R.sup.2 : benzyl group or PhSCH.sub.2, R.sup.3 and R.sup.4 are taken together to represent --CONH--CS--S--, ##STR2## (X.sup.1 : H, a halogen, methyl group, ethyl group, R.sup.7 O-- (R.sup.7 : methyl or ethyl group), nitro group, aminosulfonyl group or amino group, m.sup.1 : 1 or 2), pyridyl group, furyl group or thienyl group, n.sup.1 : an integer of 0 to 3); when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O-- (R.sup.5 : as defined above) and R.sup.2 : benzyl group, R.sup.3 : cyano group and R.sup.4 : a carbamoyl group, or R.sup.3 and R.sup.4 are taken together to represent --CO--Y--CH.sub.2 CH.sub.2 -- (Y: O or --NH--) or ##STR3## and when R.sup.1 and R.sup.2 : a C.sub.1 to C.sub.3 alkyl group, R.sup.3 and R.sup.4 are taken together to represent ##STR4## (n.sup.1, R.sup.6 : as defined above), or a salt thereof. The hydroxystyrene derivative or a salt thereof is a compound which is useful as an active ingredient of an antiallergic agent, a 5-lipoxygenase inhibiting agent, an antibacterial agent, a tyrosine kinase inhibiting agent, an ultraviolet absorber or a reverse transcriptase inhibiting agent, and also is useful as an intermediate for preparing various organic compounds.

Hydroxystyrene compounds having tyrosine kinase inhibiting activity

A hydroxystyrene derivative represented by the formula (I): ##STR1## wherein when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O-- (R.sup.5 : H, a C.sub.1 to C.sub.5 alkyl group or benzyl group) and R.sup.2 : benzyl group or PhSCH.sub.2, R.sup.3 and R.sup.4 are taken together to represent --CONH--CS--S--, ##STR2## (X.sup.1 : H, a halogen, methyl group, ethyl group, R.sup.7 O-- (R.sup.7 : methyl or ethyl group), nitro group, aminosulfonyl group or amino group, m.sup.1 : 1 or 2), pyridyl group, furyl group or thienyl group, n.sup.1 : an integer of 0 to 3); when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O-- (R.sup.5 : as defined above) and R.sup.2 : benzyl group, R.sup.3 : cyano group and R.sup.4 : a carbamoyl group, or R.sup.3 and R.sup.4 are taken together to represent --CO--Y--CH.sub.2 CH.sub.2 -- (Y: O or --NH--) or ##STR3## and when R.sup.1 and R.sup.2 : a C.sub.1 to C.sub.3 alkyl group, R.sup.3 and R.sup.4 are taken together to represent ##STR4## (n.sup.1, R.sup.6 : as defined above), or a salt thereof. The hydroxystyrene derivative or a salt thereof is a compound which is useful as an active ingredient of an antiallergic agent, a 5-lipoxygenase inhibiting agent, an antibacterial agent, a tyrosine kinase inhibiting agent, an ultraviolet absorber or a reverse transcriptase inhibiting agent, and also is useful as an intermediate for preparing various organic compounds.

1-phenyl-3,5-pyrazolidinedione hydroxystyrene compounds which have

A hydroxystyrene derivative represented by the formula (I): ##STR1## Wherein when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O--(R.sup.5 : H, a C.sub.1 to C.sub.5 alkyl group or benzyl group) and R.sup.2 : benzyl group or PhSCH.sub.2, R.sup.3 and R.sup.4 are taken together to represent --CONH--CS--S--, ##STR2## (X.sub.1 : H, a halogen, methyl group, ethyl group, R.sup.7 O--(R.sup.7 : methyl or ethyl group), nitro group, aminosulfonyl group or amino group, m.sup.1 : 1 or 2), pyridyl group, furyl group or thienyl group, n.sup.1 : an integer of 0 to 3); when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O--(R.sup.5 : as defined above) and R.sup.2 : benzyl group, R.sup.3 : cyano group and R.sup.4 : a carbamoyl group, or R.sup.3 and R.sup.4 are taken together to represent --CO--Y--CH.sub.2 CH.sub.2 --(Y: O or --NH--) or ##STR3## and when R.sup.1 and R.sup.2 : a C.sub.1 to C.sub.3 alkyl group, R.sup.3 and R.sup.4 are taken together to represent ##STR4## (n.sup.1, R.sup.6 : as defined above), or a salt thereof. The hydroxystyrene derivative or a salt thereof is a compound which is useful as an active ingredient of an antiallergic agent, a 5-lipoxybenase inhibiting agent, an antibacterial agent, a tyrosine kinase inhibiting agent, an ultraviolet absorber or a reverse transcriptase inhibiting agent, and also is useful as an intermediate for preparing various organic compounds.

Hydroxystyrene compounds which have useful pharmaceutical utility

Hydroxystyrene compounds which are useful as tyrosine kinase inhibitors

A 3-phenylthiomethylstyrene derivative having the general formula (1): ##STR1## or salt thereof with a base, when X is hydroxyl group, R.sup.1 is hydrogen atom or R.sup.2 is hydrogen atom, a process for preparing the 3-phenylthiomethylstyrene derivative (1), and an antiallergic agent and a tyrosinekinase inhibiting agent containing the 3-phenylthiomethylstyrene derivative (1) as an effective component. The compound (1) of the present invention is a useful intermediate for preparing various organic compounds, and has excellent antiallergic and tyrosinekinase inhibiting activities.

3-phenylthiomethylstyrene derivative, process for preparing the same,

Growing community of inventors

Kakogawa, Japan

Naohiro Imai