3-ethyloxethane compound having hydroxyl group and method for producing the same
    3.
    发明授权
    3-ethyloxethane compound having hydroxyl group and method for producing the same 失效
    具有羟基的3-乙基氧化乙烷化合物及其制造方法

    公开(公告)号:US08247583B2

    公开(公告)日:2012-08-21

    申请号:US12303603

    申请日:2007-06-05

    CPC classification number: C07D305/06

    Abstract: Disclosed is a 3-ethyloxethane compound having a hydroxyl group which is represented by the following general formula (1). (1) (In the formula, A represents an alkylene group having 3-5 carbon atoms which may have an ether bond or an alkylene group having 3-5 carbon atoms which may be substituted by a hydroxyl group.) The 3-ethyloxethane compound having a hydroxyl group can be produced by reacting a 3-ethyloxethane compound represented by the general formula (2) below, a diol compound represented by the general formula (3) below and a base. (2) (In the formula, X represents a leaving group.) (3) (In the formula, A is as defined above.)

    Abstract translation: 公开了具有由以下通式(1)表示的羟基的3-乙氧基乙烷化合物。 (1)(式中,A表示可具有醚键的3-5个碳原子的亚烷基或可被羟基取代的具有3-5个碳原子的亚烷基。)3-乙氧基乙烷化合物 具有羟基的化合物可以通过下述通式(2)表示的3-乙基氧化乙烷化合物,下述通式(3)表示的二醇化合物和碱反应来制造。 (2)(式中,X表示离去基团)(3)(式中,A如上定义)

    PROCESS FOR PRODUCING 4-AMINOQUINAZOLINE COMPOUND
    5.
    发明申请
    PROCESS FOR PRODUCING 4-AMINOQUINAZOLINE COMPOUND 审中-公开
    生产4-氨基喹啉化合物的方法

    公开(公告)号:US20080177069A1

    公开(公告)日:2008-07-24

    申请号:US12051605

    申请日:2008-03-19

    CPC classification number: C07D239/88 C07D239/94

    Abstract: A 4-aminoquinazoline derivative can be obtained by the steps of reacting quinazolin-4-one or its derivative with a chlorinating agent in a first organic solvent in the presence of an organic base, and subsequently reacting the reaction product with an amine compound represented by the formula R5—NH—R6 (each of R5 and R6 represents hydrogen or an optionally substituted hydrocarbyl group) in the presence of a second organic solvent.

    Abstract translation: 4-氨基喹唑啉衍生物可以通过以下步骤获得:将喹唑啉-4-酮或其衍生物与氯化剂在有机碱存在下在第一有机溶剂中反应,然后使反应产物与由 式R 5 -NH-R 6(R 5和R 6各自表示氢或任选地 取代的烃基)在第二有机溶剂的存在下进行。

    Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyrane
    7.
    发明申请
    Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyrane 失效
    制备3-(4-四氢吡喃基)-3-氧代丙酸烷基酯化合物和4-酰基四氢吡喃的方法

    公开(公告)号:US20070043107A1

    公开(公告)日:2007-02-22

    申请号:US10583473

    申请日:2004-12-17

    CPC classification number: C07D309/06

    Abstract: The present invention is to provide a process for preparing an alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound represented by the formula (1): wherein R1 and R2 may be the same or different from each other, and represent a group which does not participate in the reaction, and R1 and R2 may be bonded to form a ring, and the ring may contain a hetero atom(s), and R3 represents a hydrocarbon group, which comprises reacting 4-acyltetrahydropyran represented by the formula (2): wherein R1 and R2 have the same meanings as defined above, and a carbonic acid diester represented by the formula (3): wherein R3 has the same meanings as defined above, and two R3s may be bonded to each other to form a ring, in the presence of a base, and a process for preparing 4-acyltetrahydropyran.

    Abstract translation: 本发明提供一种制备由式(1)表示的3-(4-四氢吡喃基)-3-氧代丙酸烷基酯化合物的方法:其中R 1和R 2, SUP>可以相同也可以不同,表示不参与反应的基团,R 1和R 2可以相互键合形成 环可以含有杂原子,R 3表示烃基,其包括使由式(2)表示的4-酰基四氢吡喃:其中R 1, / O 2和R 2具有与上述相同的含义,和由式(3)表示的碳酸二酯:其中R 3具有与所定义的相同的含义 并且两个R 3可以在碱的存在下彼此键合形成环,以及制备4-酰基四氢吡喃的方法。

    Process for preparing polycarbonate diol diacrylate and high-purity polycarbonate diol diacrylate
    9.
    发明授权
    Process for preparing polycarbonate diol diacrylate and high-purity polycarbonate diol diacrylate 有权
    制备聚碳酸酯二醇二丙烯酸酯和高纯度聚碳酸酯二醇二丙烯酸酯的方法

    公开(公告)号:US08901254B2

    公开(公告)日:2014-12-02

    申请号:US13638550

    申请日:2011-03-28

    CPC classification number: C08G64/42 C08G64/0291 C08G64/045 C12P7/62

    Abstract: This is to provide a process for preparing a polycarbonate diol diacrylate from a polycarbonate diol and a vinyl acrylate compound without using a protonic acid or a metal component.This is a process for preparing a polycarbonate diol diacrylate which comprises reacting a polycarbonate diol represented by the formula (I) and a vinyl acrylate compound represented by the formula (II) in the presence of a hydrolase, and a polycarbonate diol diacrylate represented by the formula (III) having a terminal acrylated ratio of 97% or more.

    Abstract translation: 这是提供从聚碳酸酯二醇和丙烯酸乙酯化合物制备聚碳酸酯二醇二丙烯酸酯而不使用质子酸或金属成分的方法。 这是制备聚碳酸酯二醇二丙烯酸酯的方法,该方法包括使式(I)表示的聚碳酸酯二醇和由式(II)表示的丙烯酸乙酯化合物在水解酶的存在下反应,和由 末端丙烯酸酯化率为97%以上的式(III)。

    Resin composition for stereolithography
    10.
    发明授权
    Resin composition for stereolithography 有权
    用于立体光刻的树脂组合物

    公开(公告)号:US08293448B2

    公开(公告)日:2012-10-23

    申请号:US12304962

    申请日:2007-06-15

    Abstract: Provided is a resin composition for stereolithography that absorbs little water and moisture over time in uncured state, maintains a low moisture absorption rate even under high humidity, and has high curing sensitivity, from which a stereolithography product excellent in the properties, such as dimensional accuracy, mechanical properties, and dimensional stability can be smoothly produced for reduced light irradiation time. The resin composition for stereolithography comprising an oxetane compound expressed by the general formula (I) below: wherein R1 denotes an alkyl group having 1 to 5 carbon atoms, and R2 denotes an alkylene group having 2 to 10 carbon atoms that may contain an ether bond, in the proportion of from 3 to 60 mass % based on the total mass of the resin composition for stereolithography.

    Abstract translation: 提供一种用于立体光刻的树脂组合物,其在未固化状态下随时间吸收几乎没有水分和水分,即使在高湿度下也保持低吸湿率,并且具有高固化灵敏度,由此可以获得诸如尺寸精度的性能优异的立体光刻产品 ,可以平滑地产生机械性能和尺寸稳定性,以减少光照射时间。 用于立体光刻的树脂组合物,其包含由以下通式(I)表示的氧杂环丁烷化合物:其中R 1表示具有1至5个碳原子的烷基,R 2表示可含有醚键的具有2至10个碳原子的亚烷基 ,以用于立体光刻的树脂组合物的总质量为3〜60质量%的比例。

Patent Agency Ranking