- NOVEL PREPARATION FOR EXTERNAL USE
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A compound represented by the formula (I), salt thereof, or hydrate thereof has an excellent anti-pruritic effect and an excellent effect in terms of metabolism. The topical formulation of the present invention has excellent skin absorption properties of the compound represented by the formula (I), salt thereof, or hydrate thereof. Furthermore, the topical formulation of the present invention is excellent in stability because ingredients are hardly bled after long-term storage. wherein R represents hydroxyl, C1-6 alkoxy optionally substituted with C1-6 alkoxy, or amino optionally substituted with C1-6 alkyl.
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Page/Page column 26
(2010/07/08)
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- METHOD FOR PRODUCING QUINAZOLINE DERIVATIVE
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[4-(3-aminophenyl)-6,7-dimethoxyquinazolin-2-yl]methylamine with a favorable yield and high purity can be produced by subjecting a compound represented by the following formula (I) to a step of reacting with methylamine and a step of deprotection if desired: wherein L represents a protective group of amino.
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Page/Page column 14
(2010/06/15)
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- 4-(3-BENZOYLAMINOPHENYL)-6,7-DIMETHOXY-2- METHYLAMINOQUINAZOLINE DERIVATIVE
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A compound represented by the following formula (I), salt thereof, or hydrate thereof, can effectively relieve itch caused by atopic disease or the like: wherein R represents hydroxyl, C1-6 alkoxy optionally substituted with C1-6 alkoxy, or amino optionally substituted with C1-6 alkyl.
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- 4-(3-benzoylaminophenyl)-6,7-dimethoxy-2-methylaminoquinazoline derivatives
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A compound represented by the following formula (I), salt thereof, or hydrate thereof, can effectively relieve itch caused by atopic disease or the like: wherein R represents hydroxyl, C1-6 alkoxy optionally substituted with C1-6 alkoxy, or amino optionally substituted with C1-6 alkyl.
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