利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

12 条记录 (耗时 0.019 秒)

    Substituted cyclopentenes, their preparation and their use for chiral scaffolds
    3.
    发明授权
    Substituted cyclopentenes, their preparation and their use for chiral scaffolds 失效
    取代的环戊烯，它们的制备及其在手性支架中的用途

    公开(公告)号：US06593489B1

    公开(公告)日：2003-07-15

    申请号：US09659482

    申请日：2000-09-11

    申请人： Mark Edward Brennan Smith ,  Nadine Derrien

    发明人： Mark Edward Brennan Smith ,  Nadine Derrien

    IPC分类号： C07C6974

    CPC分类号： C07D263/52 ,  C07B2200/07 ,  C07C227/32 ,  C07C271/56 ,  Y02P20/55 ,  C07C229/48

    摘要： 3,4-Disubstituted-1-cyclopentene compounds, in substantially enantiopure form, have the relative stereochemistry according to formula (1A) or (1B) including the opposite enantiomers thereof, wherein R1 is either COOX, wherein X is selected from the group consisting of alkyl, H, and a salt-forming cation, or CH2OH, whererin the hydroxy group is optionally protected; R2 is H or a protecting group; R3 is H or alkyl, and R4 is selected from the group consisting of H, alkoxy, alkyl, aryl, and aralkyl; or, in the case of formula (1A), R2 and R4 are linked to form an oxazolidonone ring. These compounds can be used to prepare a series of complementary stereochemcially varied cyclopentane scaffolds.

    摘要翻译： 具有基本对映体形式的3,4-二取代-1-环戊烯化合物具有根据式（1A）或（1B）的相对立体化学，包括其相对的对映异构体，其中R 1是COOX，其中X选自烷基 ，H和成盐阳离子或CH 2 OH，其中羟基任选被保护; R 2是H或保护基; R 3是H或烷基，R 4选自H，烷氧基，烷基，芳基， 和芳烷基; 或者在式（1A）的情况下，R 2和R 4连接形成恶唑烷酮环。这些化合物可用于制备一系列互补的立体化学变化的环戊烷支架。

    Rubber compositions comprising unsaturated imidoalkoxysilanes
    6.
    发明申请
    Rubber compositions comprising unsaturated imidoalkoxysilanes 有权
    包含不饱和亚氨基烷氧基硅烷的橡胶组合物

    公开(公告)号：US20070123616A1

    公开(公告)日：2007-05-31

    申请号：US11287757

    申请日：2005-11-28

    申请人： Ben Patel ,  Brennan Smith

    发明人： Ben Patel ,  Brennan Smith

    IPC分类号： C08K5/34

    CPC分类号： C08K9/06 ,  C08K3/013 ,  C08K3/04 ,  C08K3/22 ,  C08K3/36 ,  C08K5/5442 ,  C08L21/00

    摘要： A rubber comprising a silane, a filler and at least one rubber selected from the group consisting of solution polymerization-derived styrene-butadiene rubber (S-SBR) having from about 10 to about 80 percent vinyl content; (ii) emulsion polymerization-derived rubber; and (iii) butadiene rubber having from about 5 to about 99 percent cis content and from about 0 to about 60 percent vinyl content.

    摘要翻译： 一种橡胶，其包含硅烷，填料和选自乙烯基含量约10至约80％的溶液聚合衍生的苯乙烯 - 丁二烯橡胶（S-SBR）中的至少一种橡胶; （ii）乳液聚合衍生的橡胶; 和（iii）具有约5至约99％顺式含量和约0至约60％乙烯基含量的丁二烯橡胶。

    Rubber compositions comprising unsaturated imidoalkoxysilanes
    7.
    发明授权
    Rubber compositions comprising unsaturated imidoalkoxysilanes 有权
    包含不饱和亚氨基烷氧基硅烷的橡胶组合物

    公开(公告)号：US07368490B2

    公开(公告)日：2008-05-06

    申请号：US11287757

    申请日：2005-11-28

    申请人： Ben Patel ,  Brennan Smith

    发明人： Ben Patel ,  Brennan Smith

    IPC分类号： C08G73/10

    CPC分类号： C08K9/06 ,  C08K3/013 ,  C08K3/04 ,  C08K3/22 ,  C08K3/36 ,  C08K5/5442 ,  C08L21/00

    摘要： A rubber comprising a silane, a filler and at least one rubber selected from the group consisting of solution polymerization-derived styrene-butadiene rubber (S-SBR) having from about 10 to about 80 percent vinyl content; (ii) emulsion polymerization-derived rubber; and (iii) butadiene rubber having from about 5 to about 99 percent cis content and from about 0 to about 60 percent vinyl content.

    摘要翻译： 一种橡胶，其包含硅烷，填料和选自乙烯基含量约10至约80％的溶液聚合衍生的苯乙烯 - 丁二烯橡胶（S-SBR）中的至少一种橡胶; （ii）乳液聚合衍生的橡胶; 和（iii）具有约5至约99％顺式含量和约0至约60％乙烯基含量的丁二烯橡胶。