会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • CATALYTIC ASYMMETRIC SYNTHESIS OF OPTICALLY ACTIVE COMPOUNDS
    • 光催化不对称合成光活性化合物
    • WO2003050105A2
    • 2003-06-19
    • PCT/DK2002/000827
    • 2002-12-09
    • CHEMINOVA A/SHALLAND, NisJØRGENSEN, Karl, AnkerHANSEN, Tore
    • HALLAND, NisJØRGENSEN, Karl, AnkerHANSEN, Tore
    • C07D311/00
    • C07D311/00
    • A one step catalytic asymmetric process for the synthesis of an optically active compound of formula la or lb wherein R is selected from C 1-7 alkyl, C 1-7 haloalkyl, C 1-7 alkoxy, C 1-7 haloalkoxy, halogen and hydroxy; R 3 is H or C 1-4 alkyl; R4 is selected from H, C 1-7 alkyl, C 1-7 haloalkyl, C 1-7 alkoxy, COOH, CO-C 1-7 alkoxy and an optionally substituted aryl or heterocycle; AR represents C 1-7 alkyl, optionally substituted aryl, an optionally substituted heterocycle or AR and R 4 may be bridged together forming part of a ring system; X is O or S; m is a number between 0-4; comprising the step of reacting a compound of the formula 2 with a compound of formula 3 in the presence of a catalytic amount of a chiral nitrogen containing organic compound.
    • 用于合成式Ia或Ib的光学活性化合物的一步催化不对称方法,其中R选自C 1-7烷基,C 1-7卤代烷基,C 1-7烷氧基,C 1-7卤代烷氧基,卤素和羟基; R3是H或C1-4烷基; R 4选自H,C 1-7烷基,C 1-7卤代烷基,C 1-7烷氧基,COOH,CO-C 1-7烷氧基和任选取代的芳基或杂环; AR表示C1-7烷基,任选取代的芳基,任选取代的杂环或AR和R 4可桥接在一起形成环系的一部分; X是O或S; m是0-4之间的数字; 包括在催化量的手性含氮有机化合物存在下使式2的化合物与式3的化合物反应的步骤。