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2-ethyl-4-methyl-4-pentenoic acid | 56640-38-1

中文名称
——
中文别名
——
英文名称
2-ethyl-4-methyl-4-pentenoic acid
英文别名
2-Ethyl-4-methylpent-4-enoic acid
2-ethyl-4-methyl-4-pentenoic acid化学式
CAS
56640-38-1
化学式
C8H14O2
mdl
——
分子量
142.198
InChiKey
KTDLCMOLHVQTTL-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    2.4
  • 重原子数:
    10
  • 可旋转键数:
    4
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.62
  • 拓扑面积:
    37.3
  • 氢给体数:
    1
  • 氢受体数:
    2

反应信息

点击查看最新优质反应信息

文献信息

  • SYMMETRIC HYPERBRANCHED TYPE SILICONE-MODIFIED POLYMERIZABLE COMPOUND, AND ITS MODULARIZED PREPARATION METHOD
    申请人:SHIN-ETSU CHEMICAL CO., LTD.
    公开号:US20160039848A1
    公开(公告)日:2016-02-11
    A symmetric hyperbranched type silicone-modified polymerizable compound contains a compound represented by the following general formula (1). A hyperbranched type silicone-modified polymerizable compound has flexibility at the branched skeleton itself than the conventional ones, and reactivity of a polymerizable functional group is good and it is positionally and sterically symmetric, while it has a highly branched structure having siloxane chains. [(R A R B ) 2 CHOCH 2 ] 2 CHOR C c R D (1) R A represents a monovalent linear, branched or cyclic siloxane chain; R B represents a divalent hydrocarbonylene methylene ether group represented by —CH 2 CR b1 R b2 (CR b3 R b4 ) n1 OCH 2 —, each of R b1 , R b2 , R b3 and R b4 may be the same or different from each other and represents a hydrogen atom or a linear, branched or cyclic hydrocarbon group having 1 to 10 carbon atoms which may be bonded to each other, “n1” represents an integer selected from 0 to 10; R C , a divalent linking group; “c”, 0 or 1; and R D , an unsaturated polymerizable functional group.
    一种对称的超支化硅改性可聚合化合物,包含以下通式(1)所代表的化合物。超支化硅改性可聚合化合物具有比传统化合物更灵活的分支骨架,具有良好的聚合官能团反应性,并且在位置上和立体上对称,同时具有高度支化的硅氧烷链结构。 [(RARB)2CHOCH2]2CHORCcRD(1) 其中,RA代表单价线性、支化或环状硅氧烷链;RB代表由—CH2CRb1Rb2(CRb3Rb4)n1OCH2—表示的二价烃基亚甲基醚基团,其中,Rb1、Rb2、Rb3和Rb4中的每一个可以相同也可以不同,表示氢原子或具有1至10个碳原子的线性、支化或环状烃基,这些烃基可以相互连接,“n1”表示从0到10的整数;RC表示二价连接基团,“c”为0或1;RD表示不饱和聚合官能团。
  • [EN] METHODS FOR PRODUCING 1-PENTANOLS, 4-PENTENOIC ACIDS, 4-PENTENOLS, AND 1-PENTANOIC ACIDS<br/>[FR] PROCÉDÉS DE PRÉPARATION DE 1-PENTANOLS, D'ACIDES 4-PENTÉNOÏQUES, DE 4-PENTÉNOLS ET D'ACIDES 1-PENTANOÏQUES
    申请人:SABIC GLOBAL TECHNOLOGIES BV
    公开号:WO2017115257A1
    公开(公告)日:2017-07-06
    A synthetic method includes transesterifying a carboxyl ester with a 2-propenol (i.e. 2- prop-1-ol) under conditions effective to provide a 2-propenyl ester of formula (3) and reacting the 2-propenyl ester of formula (3) under conditions effective to provide a 4-pentenoic acid of formula (5) wherein in the foregoing formulas R is a C1-6 alkyl, preferably a C1-3 alkyl; and each R1, R2, R3, R4, and R5 is independently a hydrogen, C1-22 alkyl, C1-22 alkoxy, C2-22 alkenyl, C1-21 heteroalkyl, C3-12 cycloalkyl, C3-11 heterocycloalkyl, C6-12 aryl, C6-11 heteroaryl, or C7-13 arylalkylene.
    一种合成方法包括在有效条件下,将羧酸酯与2-丙烯醇(即2-丙基-1-醇)进行酯交换反应,以提供式(3)的2-丙烯酯,并在有效条件下反应式(3)的2-丙烯酯,以提供式(5)的4-戊烯酸。在上述式中,R是C1-6烷基,优选为C1-3烷基;每个R1、R2、R3、R4和R5独立地是氢、C1-22烷基、C1-22烷氧基、C2-22烯基、C1-21杂基、C3-12环烷基、C3-11杂环烷基、C6-12芳基、C6-11杂芳基或C7-13芳基烷基。
  • SYMMETRICAL HYPERBRANCHED SILICONE-MODIFIED POLYMERIZABLE COMPOUND AND PREPARATION METHOD MODULARIZING SAME
    申请人:Shin-Etsu Chemical Co., Ltd.
    公开号:EP2975044A1
    公开(公告)日:2016-01-20
    The present invention relates to a symmetric hyperbranched type silicone-modified polymerizable compound containing a compound represented by the following general formula (1). There can be provided a hyperbranched type silicone-modified polymerizable compound which has flexibility at the branched skeleton itself than the conventional ones, as well as reactivity of a polymerizable functional group is good and it is positionally and sterically symmetric, while it has a highly branched structure having siloxane chains.         [(RARB)2CHOCH2]2CHORCcRD     (1) wherein RA represents a monovalent linear, branched or cyclic siloxane chain; RB represents a divalent hydrocarbonylene methylene ether group represented by -CH2CRb1Rb2(CRb3Rb4)n1OCH2-, each of Rb1, Rb2, Rb3 and Rb4 may be the same or different from each other and represents a hydrogen atom or a linear, branched or cyclic hydrocarbon group having 1 to 10 carbon atoms which may be bonded to each other, "n1" represents an integer selected from 0 to 10; RC represents a divalent linking group; "c" represents 0 or 1; and RD represents an unsaturated polymerizable functional group.
    本发明涉及一种对称超支化型硅改性可聚合化合物,其中含有由下式(1)表示的化合物。本发明提供了一种超支化型硅改性可聚合化合物,它的支化骨架本身比传统的具有柔韧性,可聚合官能团的反应活性好,位置和立体对称,同时具有硅氧烷链的高支化结构。 [(RARB)2CHOCH2]2CHORCcRD (1) 其中 RA 代表一价线性、支链或环状硅氧烷链;RB 代表二价烃烯亚甲基醚基团,由-CH2CRb1Rb2(CRb3Rb4)n1OCH2-表示,Rb1、Rb2、Rb3 和 Rb4 中的每一个可以彼此相同或不同,并代表氢原子或具有 1 至 10 个碳原子的线性、支链或环状烃基,这些烃基可以相互键合,"n1 "代表选自 0 至 10 的整数;RC 代表二价连接基团;"c "代表 0 或 1;以及 RD 代表不饱和可聚合官能团。
  • Symmetric hyperbranched silicone-modified polymerizable compound and modularized manufacturing method thereof
    申请人:Shin-Etsu Chemical Co., Ltd.
    公开号:EP2778169B1
    公开(公告)日:2016-12-07
  • PARFÜMHALTIGE TEILCHEN MIT VERBESSERTEN DUFTEIGENSCHAFTEN
    申请人:HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
    公开号:EP1920042A1
    公开(公告)日:2008-05-14
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