(2-chloro-3-oxo-1-alkenyl)bicyclo(3.3.0)octane derivative
    2.
    发明授权
    (2-chloro-3-oxo-1-alkenyl)bicyclo(3.3.0)octane derivative 失效
    (2-氯-3-氧代-1-烯基)双环(3.3.0)辛烷衍生物

    公开(公告)号:US4810805A

    公开(公告)日:1989-03-07

    申请号:US943484

    申请日:1986-12-19

    CPC分类号: C07C405/0083

    摘要: There are disclosed a (2-chloro-3-oxo-1-alkenyl)-bicyclo[3.3.0 octene derivative represented by the formula: ##STR1## wherein R.sup.1 represents --CH.sub.2 CH.sub.2 CH.sub.2 COOR.sup.5, --CH.sub.2 CH.sub.2 --O--CH.sub.2 COOR.sup.5, --CH.dbd.CHCH.sub.2 COOR.sup.5 or --CH.sub.2 CH.sub.2 C.tbd.C--COOR.sup.5 group where R.sup.5 in the groups represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R.sup.2 represents a hydrogen atom, an acyl group having 1 to 7 carbon atoms, a tri(1 to 7 carbon atoms)-hydrocarbylsilyl group or a group forming an acetal bonding with an oxygen atom of a hydroxy group; R.sup.3 represents a straight or branched alkyl group having 3 to 10 carbon atoms, a cycloalkyl group having 4 to 7 carbon atoms, which may be substituted by at least one alkyl group having 1 to 4 carbon atoms, a straight or branched alkenyl group having 3 to 12 carbom atoms, a straight or branched alkynyl group having 3 to 8 carbon atoms, a phenyl group or a phenoxy group which may have substituents, an alkoxy group having 1 to 6 carbon atoms or an alkyl group substituted by a cycloalkyl group having 5 to 8 carbon atoms, and a process for preparing the same which comprises reacting an aldehyde represented by the formula: ##STR2## wherein R.sup.1 and R.sup.2 have the same meanings as defined above, with kotophosphonate represented by the formula: ##STR3## wherein R.sup.3 has the same meaning as defined above and R.sup.4 represents an alkyl group having 1 to 10 carbon atoms, in the presence of a base.

    摘要翻译: 公开了由下式表示的(2-氯-3-氧代-1-烯基) - 二环[3.3.0辛烯衍生物:其中R 1表示-CH 2 CH 2 CH 2 COOR 5,-CH 2 CH 2 -O-CH 2 COOR 5,-CH = CHCH 2 COOR 5 或-CH 2 CH 2 C 3 CON COROR 5基团,其中基团中的R 5表示氢原子或具有1至6个碳原子的烷基; R2表示氢原子,碳原子数1〜7的酰基,三(1〜7个碳原子) - 烃基甲硅烷基或与羟基形成缩醛键的基团。 R3表示可以被至少一个具有1至4个碳原子的烷基取代的具有3至10个碳原子的直链或支链烷基,具有4至7个碳原子的环烷基,具有3个碳原子的直链或支链烯基 至12个碳原子,具有3至8个碳原子的直链或支链炔基,可具有取代基的苯基或苯氧基,具有1至6个碳原子的烷氧基或被具有5个环烷基的环烷基取代的烷基 至8个碳原子,及其制备方法,其包括使由下式表示的醛:其中R 1和R 2具有与上述相同的含义,与下式表示的焦磷酸酯反应:其中R 3具有 在碱的存在下,与上述定义相同,R 4表示具有1至10个碳原子的烷基。