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    • 3. 发明授权
    • Phosphonic diester derivatives
    • 膦酸二酯衍生物
    • US5985858A
    • 1999-11-16
    • US91946
    • 1998-06-26
    • Kazuyoshi MiyataYasuhiro SakaiYasuo ShojiYoshihiko TsudaYasuhide InoueKeigo SatoShinya Miki
    • Kazuyoshi MiyataYasuhiro SakaiYasuo ShojiYoshihiko TsudaYasuhide InoueKeigo SatoShinya Miki
    • C07F9/6509C07F9/6539C07F9/6553C07F9/6558C07F9/6561A61K31/67A61K31/675
    • C07F9/650964C07F9/6539C07F9/655345C07F9/65583C07F9/65586C07F9/6561
    • A phosphonic diester derivative represented by the following formula (1): ##STR1## wherein R.sup.1 represents a cycloalkyl group; a phenyl group which may have 1 to 3 substituents selected from the group consisting of a lower alkoxy group, a lower alkyl group, a halogen atom, a halogen-substituted lower alkyl group, a lower alkanoyl group, a nitro group, a benzoyl group, a cyano group, an N-lower alkylcarbamoyl group, an N-phenyl-lower alkylcarbamoyl group, an N-(halogen-substituted phenyl)carbamoyl group and an N,N-di-lower alkylcarbamoyl group; a 1,3,4-thiadiazol-2-yl group having a halogen-substituted lower alkyl group as a substituent; a thiazolyl group; a pyridyl group which may be substituted by a halogen atom; a benzothiazol-2-yl group having 1 to 2 lower alkoxy groups on the phenyl ring; or a 4,5-dihydrothieno[3,2-e]benzothiazol-2-yl group; R.sup.2 represents a hydrogen atom or a phenyl lower alkyl group; R.sup.3 and R.sup.4 each represents a lower alkyl group; and A represents a heterocyclic ring selected from the group consisting of a pyrazine ring, a thiophene ring and a phenyl-substituted thiazole ring; the derivative being of value as an agent for treating and preventing hyperlipidemia, diabetes and cataract, or as an antitumor agent.
    • PCT No.PCT / JP96 / 03775第 371日期:1998年6月26日 102(e)日期1998年6月26日PCT 1996年12月24日PCT公布。 公开号WO97 / 24360 PCT 日期:1997年7月10日由下式(1)表示的膦酸二酯衍生物:其中R1表示环烷基; 可以具有1〜3个选自低级烷氧基,低级烷基,卤素原子,卤素取代的低级烷基,低级烷酰基,硝基,苯甲酰基的取代基的苯基 ,氰基,N-低级烷基氨基甲酰基,N-苯基 - 低级烷基氨基甲酰基,N-(卤素取代的苯基)氨基甲酰基和N,N-二低级烷基氨基甲酰基; 具有卤素取代的低级烷基作为取代基的1,3,4-噻二唑-2-基; 噻唑基 可被卤素原子取代的吡啶基; 在苯环上具有1至2个低级烷氧基的苯并噻唑-2-基; 或4,5-二氢噻吩并[3,2-e]苯并噻唑-2-基; R2表示氢原子或苯基低级烷基; R3和R4各自表示低级烷基; A表示选自吡嗪环,噻吩环和苯基取代的噻唑环的杂环; 该衍生物作为治疗和预防高脂血症,糖尿病和白内障或作为抗肿瘤剂的药剂是有价值的。
    • 5. 发明授权
    • Process for preparing quinazolin-4-one derivatives
    • 喹唑啉-4-酮衍生物的制备方法
    • US5922866A
    • 1999-07-13
    • US11826
    • 1998-02-25
    • Kazuyoshi MiyataYasuhisa KurogiYasuhiro SakaiYoshihiko Tsuda
    • Kazuyoshi MiyataYasuhisa KurogiYasuhiro SakaiYoshihiko Tsuda
    • C07D239/90C07D239/91C07F9/6512C07F9/32C07F9/40C07D239/96
    • C07D239/91C07D239/90C07F9/65122C07F9/65127C07F9/65128
    • The present invention provides a novel process for preparing a series of quinazolin-4-one derivatives in high yields with reduced amounts of byproducts, the process comprising reacting, in the presence of a base, a trialkylsilyl halide with a compound represented by the formula ##STR1## wherein; R.sup.5 is a phenyl group which may have 1 to 3 substituents each selected from a lower alkyl group, a lower alkoxy group or a halogen atom, a lower alkyl group, a phenyl-lower alkyl group which may have a halogen atom as a substituent on the phenyl ring, a lower alkenyl group, a lower alkoxy-lower alkyl group or a lower alkynyl group; R.sup.6 is a lower alkyl group, a halogen-substituted lower alkyl group, a lower alkoxycarbonyl group or a phenyl group which may have, as a substituent, a lower alkyl group or a group of the formula ##STR2## wherein A is an oxygen atom or a single bond, Z is a lower alkylene group, R.sup.7 is a lower alkyl group and R.sup.8 is a lower alkoxy group, a phenyl group or a phenyl-lower alkoxy group which may have a halogen atom on the phenyl ring;to produce the quinazolin-4-one derivatives which is valuable as pharmaceuticals or intermediates for synthesis thereof and represented by the formula ##STR3## wherein R.sup.1,R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are as defined above.
    • PCT No.PCT / JP96 / 02388 Sec。 371日期:1998年2月25日 102(e)1998年2月25日PCT PCT 1996年8月26日PCT公布。 公开号WO97 / 08153 日期1997年3月6日本发明提供了一种制备一系列具有降低量副产物的喹唑啉-4-酮衍生物的新方法,该方法包括在碱存在下使三烷基甲硅烷基卤化物与化合物 由下式表示: R5是可以具有1〜3个选自低级烷基,低级烷氧基或卤素原子的取代基的苯基,低级烷基,可具有卤素原子作为取代基的苯基 - 低级烷基 苯环,低级烯基,低级烷氧基 - 低级烷基或低级炔基; R6是低级烷基,卤素取代的低级烷基,低级烷氧基羰基或苯基,其可以具有低级烷基或下式基团的取代基:其中A是氧原子或单 键,Z为低级亚烷基,R7为低级烷基,R8为低级烷氧基,苯基或在苯环上可具有卤素原子的苯基 - 低级烷氧基; 以产生作为药物或其合成中间体而有价值的喹唑啉-4-酮衍生物,由下式表示,其中R 1,R 2,R 3,R 4,R 5和R 6如上所定义。
    • 7. 发明授权
    • Silica aerogel coating and its production method
    • 二氧化硅气凝胶涂料及其制备方法
    • US08298622B2
    • 2012-10-30
    • US11407907
    • 2006-04-21
    • Hiroyuki NakayamaKazuhiro YamadaYasuhiro SakaiMaki Yamada
    • Hiroyuki NakayamaKazuhiro YamadaYasuhiro SakaiMaki Yamada
    • C08F2/48
    • B01J19/123C01B33/1585
    • Methods for producing a silica aerogel coating by: producing a wet gel formed by the hydrolysis and polymerization of an alkoxysilane having an ultraviolet-polymerizable unsaturated group; organically modifying the wet gel with an organic-modifying agent to obtain an organically modified silica having a modification ratio of 10-30% based on a total amount of Si—OH in the wet gel; coating a dispersion of the organically modified silica on a substrate to form a layer; and subjecting the layer of the organically modified silica to ultraviolet irradiation and baking, wherein the silica aerogel coating includes the organically modified silica and wherein the silica aerogel coating has a refractive index in the range of 1.05-1.2.
    • 二氧化硅气凝胶涂层的制造方法:制造通过具有紫外线聚合性不饱和基团的烷氧基硅烷的水解和聚合而形成的湿凝胶; 用有机改性剂有机改性湿凝胶,得到基于湿凝胶中Si-OH总量的改性比为10-30%的有机改性二氧化硅; 将有机改性二氧化硅的分散体涂布在基材上以形成层; 并对有机改性二氧化硅层进行紫外线照射和烘烤,其中二氧化硅气凝胶涂层包括有机改性二氧化硅,其中二氧化硅气凝胶涂层的折射率在1.05-1.2范围内。
    • 10. 发明授权
    • Organic-inorganic composite particles and production process therefor
    • 有机 - 无机复合颗粒及其制备方法
    • US5670257A
    • 1997-09-23
    • US568466
    • 1995-12-07
    • Yasuhiro SakaiTadahiro YonedaShigefumi Kuramoto
    • Yasuhiro SakaiTadahiro YonedaShigefumi Kuramoto
    • C08F30/08G02F1/1339B32B5/15
    • G02F1/1339C08F30/08Y10T428/2982Y10T428/2993
    • Organic-inorganic composite particles which include a (meth)acrylic resin framework and a polysiloxane framework having in its molecule an organosilicon containing a silicon atom directly and chemically combined with at least one carbon atom of the (meth)acrylic resin framework, and also contain 25 wt % or more of SiO.sub.2 which constitutes the polysiloxane framework and have a mean particle diameter of .gtoreq.0.5 .mu.m. The particles have the mechanical resilience necessary to maintain a constant gap distance between a pair of members to be arranged with the correct gap distance between them, and the hardness and fracture strength necessary to maintain the gap constant with smaller numbers; and also do not readily cause physical damage to the members. The composite particles can be employed as spacers 8 for a liquid crystal display as they stand or with an adhesive layer formed on the surface. The composite particles can also have a conductive layer formed on the surface, and be employed as conductive particles.
    • 包括(甲基)丙烯酸树脂骨架和聚硅氧烷骨架的有机 - 无机复合颗粒,其分子中含有硅原子的有机硅与(甲基)丙烯酸树脂骨架的至少一个碳原子直接化学结合,并且还含有 25重量%以上的构成聚硅氧烷骨架的SiO 2,其平均粒径为≥0.5μm。 颗粒具有必要的机械弹性,以保持一对构件之间的间隙距离与它们之间的正确的间隙距离保持恒定的间隙距离,以及保持间隙恒定的较小数量所需的硬度和断裂强度; 也不会对成员造成身体伤害。 复合颗粒可以用作液晶显示器的间隔件8,或者在表面上形成粘合剂层。 复合颗粒也可以具有在表面上形成的导电层,并且用作导电颗粒。