SYNTHESIS OF 3-(5-NITROCYCLOHEX-1-ENYL) ACRYLIC ACID AND ESTERS THEREOF
    2.
    发明公开
    SYNTHESIS OF 3-(5-NITROCYCLOHEX-1-ENYL) ACRYLIC ACID AND ESTERS THEREOF 审中-公开
    合成VON 3-(5-硝基环己-1-烯) - 丙烯酸酯

    公开(公告)号:EP2035364A2

    公开(公告)日:2009-03-18

    申请号:EP07796585.3

    申请日:2007-06-29

    摘要: This application discloses provides a process for the introduction of nitro-group functionality into a compound which contains also a site of unsaturation and/or oxygen functionality by direct (one step) oxidation of an oxime functional group mediated by a molybdenum VI/VII peroxo complex, the process comprising: (a) providing a substrate of Formula I containing an oxime functional group; Chemical formula should be inserted here as it appears on the abstract in paper form. wherein R1 and R2 are selected independently from linear, branched or cyclic alkyl and linear, branched or cyclic alkenyl groups, optionally substituted, with the proviso that at least one of R1 or R2 contains a carbon/carbon double bond; and (b) contacting said substrate of Formula I with a molybdenum oxidation complex, thereby oxidizing said oxime functional group to a nitro functional group to yield the structure of Formula III. Chemical formula should be inserted here as it appears on the abstract in paper form. Where R1 and R2 are as defined above.

    摘要翻译: 该申请公开提供了一种通过由钼VI / VII过氧配合物介导的肟官能团的直接(一步)氧化将硝基官能团引入到还含有不饱和位和/或氧官能团位点的化合物的方法 该方法包括:(a)提供含有肟官能团的式I的底物; 其中R 1和R 2独立地选自直链,支链或环状的烷基和直链,支链或环状的烯基,任选被取代,条件是R 1或R 2中的至少一个含有碳/碳双键; 和(b)使式I的底物与钼氧化络合物接触,从而将所述肟官能团氧化为硝基官能团,得到式III的结构。 其中R1和R2如上所定义。

    PROCESS FOR THE SYNTHESIS OF AZETIDINONES
    4.
    发明公开
    PROCESS FOR THE SYNTHESIS OF AZETIDINONES 有权
    方法合成的氮杂环丁酮

    公开(公告)号:EP1831162A1

    公开(公告)日:2007-09-12

    申请号:EP05854581.5

    申请日:2005-12-19

    IPC分类号: C07D205/08

    CPC分类号: C07D205/08 C07H17/02

    摘要: A process is provided for preparing azetidinones useful as intermediates in the synthesis of penems and as hypocholesterolemic agents, comprising reacting a ß-(substituted-amino)amide, a ß-(substituted-amino)acid ester, or a ß-(substituted-amino)thiolcarbonic acid ester with a silylating agent and a cyclizing agent selected from the group consisting of alkali metal carboxylates, quaternary ammonium carboxylates, quaternary ammonium hydroxides, quaternary ammonium alkoxides, quaternary ammonium aryloxides and hydrates thereof, or the reaction product of: (i) at least one quaternary ammonium halide and at least one alkali metal carboxylate; or (ii) at least one quaternary ammonium chloride, quaternary ammonium bromide, or quaternary ammonium iodide and at least one alkali metal fluoride, wherein a quaternary ammonium moiety of the cyclizing agent is unsubstituted or substituted by one to four groups independently selected from the group consisting of alkyl, arylalkyl and arylalkyl-alkyl.