Cephem compound, its production and its use for producing cephem
antibiotics
    1.
    发明授权
    Cephem compound, its production and its use for producing cephem antibiotics 失效
    Cephem化合物,其生产及其用于生产头孢类抗生素的用途

    公开(公告)号:US5969131A

    公开(公告)日:1999-10-19

    申请号:US932835

    申请日:1997-09-18

    CPC分类号: C07D501/00 Y02P20/55

    摘要: A 3-[(E)-1-propenyl]cephem compound represented by formula (I): ##STR1## wherein R represents hydrogen, a protective group for an amino group, or the group shown by formula (II): ##STR2## in which R.sup.3 is a protective group for an amino group, R.sup.4 is a protective group for a hydroxyl group, and W is --CH.dbd. or --N.dbd.; R.sup.2 represents a protective group for a carboxyl group; and X represents hydrogen or chlorine. The compound is useful as an intermediate for producing cephem antibiotics and is prepared by isomerizing the corresponding 3-[(Z)-1-propenyl]cephem compound in an inert organic solvent in the presence of an aromatic thiol. The compound of formula (I) wherein X is chlorine can be converted into a 3-[(E)-3-ammonio-1-propenyl]cephem derivative through the reaction with a tertiary amine.

    摘要翻译: 由式(I)表示的3 - [(E)-1-丙烯基]头孢烯化合物:其中R表示氢,氨基保护基或式(II)所示的基团:其中R3为保护基 氨基的基团,R4是羟基的保护基,W是-CH =或-N =; R2表示羧基的保护基; X表示氢或氯。 该化合物可用作生产头孢类抗生素的中间体,并且通过在惰性有机溶剂中在芳族硫醇存在下使相应的3 - [(Z)-1-丙烯基]头孢烯化合物异构化而制备。 其中X为氯的式(I)化合物可通过与叔胺的反应转化为3 - [(E)-3-氨基-1-丙烯基]头孢烯衍生物。

    Cephem compound, its production and its use for producing cephem
antibiotics
    2.
    发明授权
    Cephem compound, its production and its use for producing cephem antibiotics 失效
    Cephem化合物,其生产及其用于生产头孢类抗生素的用途

    公开(公告)号:US5708165A

    公开(公告)日:1998-01-13

    申请号:US273912

    申请日:1994-07-12

    CPC分类号: C07D501/00 Y02P20/55

    摘要: A 3-�(E)-1-propenyl!cephem compound represented by formula (I): ##STR1## wherein R represents hydrogen, a protective group for an amino group, or the group shown by formula (II): ##STR2## in which R.sup.3 is a protective group for an amino group, R.sup.4 is a protective group for a hydroxyl group, and W is --CH.dbd. or --N.dbd.; R.sup.2 represents a protective group for a carboxyl group; and X represents hydrogen or chlorine. The compound is useful as an intermediate for producing cephem antibiotics and is prepared by isomerizing the corresponding 3-�(Z)-1-propenyl!cephem compound in an inert organic solvent in the presence of an aromatic thiol. The compound of formula (I) wherein X is chlorine can be converted into a 3-�(E)-3-ammonio-1-propenyl!cephem derivative through the reaction with a tertiary amine.

    摘要翻译: 由式(I)表示的3 - [(E)-1-丙烯基]头孢烯化合物:其中R表示氢,氨基保护基或式(II)所示的基团: (II)其中R3是氨基的保护基,R4是羟基的保护基,W是-CH =或-N =; R2表示羧基的保护基; X表示氢或氯。 该化合物可用作生产头孢类抗生素的中间体,并且通过在惰性有机溶剂中在芳族硫醇存在下使相应的3 - [(Z)-1-丙烯基]头孢烯化合物异构化而制备。 其中X为氯的式(I)化合物可通过与叔胺的反应转化为3 - [(E)-3-氨基-1-丙烯基]头孢烯衍生物。

    PISTON RING
    3.
    发明申请
    PISTON RING 审中-公开
    活塞环

    公开(公告)号:US20130234400A1

    公开(公告)日:2013-09-12

    申请号:US13883897

    申请日:2011-11-15

    IPC分类号: F16J9/12 F16J9/26

    CPC分类号: F16J9/12 F16J9/26

    摘要: A piston ring reduces reciprocating friction between a piston and an inner wall surface of a cylinder, while maintaining reduction effect of the reciprocating friction. The piston ring is mounted in a ring groove of the piston, and slides against the inner wall surface of a cylinder liner or a cylinder. The piston ring includes: plural fine recessed portions formed in a barrel width region on an outer peripheral sliding surface of the piston ring; and a non-recessed portion area where no recessed portions are formed in the barrel width region. The non-recessed portion area is configured to have an area percentage within a range from 20-85% in the barrel width region where an area percentage of the barrel width region before the recessed portions are formed is defined to be 100%. The non-recessed portion area exists through an entire cross section in an axial direction of the barrel width.

    摘要翻译: 活塞环减小活塞与气缸的内壁表面之间的往复摩擦,同时保持往复摩擦的减小效果。 活塞环安装在活塞的环形槽中,并且抵靠气缸套或气缸的内壁表面滑动。 活塞环包括形成在活塞环的外周滑动面上的筒体宽度区域的多个细小凹部, 以及在筒宽度区域中不形成凹部的非凹部的区域。 非凹部区域被构造成具有在形成凹部之前的筒宽度区域的面积百分比的筒宽度区域的20-85%的范围内的面积百分比被定义为100%。 非凹部的区域通过筒宽度的轴向的整个横截面而存在。

    Cylinder
    5.
    发明授权
    Cylinder 有权
    圆筒

    公开(公告)号:US08381696B2

    公开(公告)日:2013-02-26

    申请号:US12680960

    申请日:2008-10-02

    IPC分类号: F16J10/04

    CPC分类号: F16J10/04 F02F1/20

    摘要: A cylinder realizing reduced reciprocation friction between a piston ring and a bore surface of the cylinder in a region where the piston ring slides. The cylinder in which a piston slides on a bore surface of the cylinder. A plurality of recesses is formed in a stroke center region in the bore surface of the cylinder. The stroke center region is a region between an under face position of a ring groove for a bottom piston ring at a top dead center of the piston and a top face position of a ring groove for a top piston ring at a bottom dead center of the piston. The total of areas of all of the recesses is in the range of 1% to 80% when an area of the stroke center region is 100%, and the recesses are not formed in a region other than the stroke center region of the bore surface of the cylinder.

    摘要翻译: 缸体在活塞环滑动的区域中实现活塞环和气缸的孔表面之间的往复摩擦。 活塞在气缸的孔表面上滑动的气缸。 多个凹部形成在气缸的孔表面中的行程中心区域中。 行程中心区域是在活塞的上止点处的底部活塞环的环槽的下表面位置与位于活塞的上止点处的顶部活塞环的环槽的顶面位置之间的区域 活塞。 当行程中心区域的面积为100%时,所有凹部的总面积为1%至80%的范围,并且凹部不形成在除了孔表面的行程中心区域以外的区域 的气缸。

    Process for preparing aromatic amide compound
    6.
    发明授权
    Process for preparing aromatic amide compound 失效
    制备芳香族酰胺化合物的方法

    公开(公告)号:US5675036A

    公开(公告)日:1997-10-07

    申请号:US673441

    申请日:1996-06-28

    IPC分类号: C07C67/31 C07C231/02

    CPC分类号: C07C231/02 C07C67/31

    摘要: 3-�4-(4-Phenyl-1-butoxy)benzoyl!amino-2-hydroxyacetophenone is prepared by reacting a benzoate ester with a halobutylbenzene in the presence of a basic compound and an aprotic polar compound in an aromatic hydrocarbon solvent to obtain a corresponding ether, alkali hydrolyzing the ether in an aromatic hydrocarbon solvent and precipitating a hydrolysate with an acid to obtain 4-(4-phenyl-1-butoxy)benzoic acid, reacting a halogenating agent with this benzoic acid derivative in an aromatic hydrocarbon solvent to obtain an acid halide, and reacting the acid halide in an aromatic hydrocarbon solvent with a corresponding aromatic amine.

    摘要翻译: 通过苯甲酸酯与卤代丁基苯在碱性化合物和非质子极性化合物存在下在芳族烃溶剂中反应制备3- [4-(4-苯基-1-丁氧基)苯甲酰基]氨基-2-羟基苯乙酮,得到 相应的醚,在芳族烃溶剂中碱解水解醚并用酸沉淀水解产物,得到4-(4-苯基-1-丁氧基)苯甲酸,将卤代剂与该苯甲酸衍生物在芳族烃溶剂 以获得酰卤,并使芳族烃溶剂中的酰卤与相应的芳族胺反应。

    Method for the purification of 4,4'-diamino-diphenylmethane
    7.
    发明授权
    Method for the purification of 4,4'-diamino-diphenylmethane 失效
    4,4'-二氨基 - 二苯基甲烷的纯化方法

    公开(公告)号:US5312989A

    公开(公告)日:1994-05-17

    申请号:US68229

    申请日:1993-05-28

    IPC分类号: C07C209/84 C07C211/50

    CPC分类号: C07C209/84

    摘要: A method of purifying 4,4'-diaminodiphenylmethane comprising partially melting a crystal of crude 4,4'-diaminodiphenylmethane and removing a melt to obtain a high purity 4,4'-diaminodiphenylmethane. By utilizing the method, a high purity 4,4'-diaminodiphenylmethane is obtained efficiently with a low level of energy consumption.

    摘要翻译: 一种净化4,4'-二氨基二苯基甲烷的方法,包括部分熔融粗制4,4'-二氨基二苯基甲烷的结晶并除去熔体,得到高纯度的4,4'-二氨基二苯基甲烷。 通过利用该方法,以低能量消耗有效获得高纯度的4,4'-二氨基二苯基甲烷。

    CYLINDER
    8.
    发明申请
    CYLINDER 有权
    圆筒

    公开(公告)号:US20100288222A1

    公开(公告)日:2010-11-18

    申请号:US12680960

    申请日:2008-10-02

    IPC分类号: F02F1/00 F16J10/00

    CPC分类号: F16J10/04 F02F1/20

    摘要: A cylinder realizing reduced reciprocation friction between a piston ring and a bore surface of the cylinder in a region where the piston ring slides. The cylinder in which a piston slides on a bore surface of the cylinder. A plurality of recesses is formed in a stroke center region in the bore surface of the cylinder. The stroke center region is a region between an under face position of a ring groove for a bottom piston ring at a top dead center of the piston and a top face position of a ring groove for a top piston ring at a bottom dead center of the piston. The total of areas of all of the recesses is in the range of 1% to 80% when an area of the stroke center region is 100%, and the recesses are not formed in a region other than the stroke center region of the bore surface of the cylinder.

    摘要翻译: 缸体在活塞环滑动的区域中实现活塞环和气缸的孔表面之间的往复摩擦。 活塞在气缸的孔表面上滑动的气缸。 多个凹部形成在气缸的孔表面中的行程中心区域中。 行程中心区域是在活塞的上止点处的底部活塞环的环槽的下表面位置与位于活塞的上止点处的顶部活塞环的环槽的顶面位置之间的区域 活塞。 当行程中心区域的面积为100%时,所有凹部的总面积为1%至80%的范围,并且凹部不形成在除了孔表面的行程中心区域以外的区域 的气缸。