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    • 2. 发明申请
    • PROCESS FOR THE PREPARATION OF ORGANIC COMPOUNDS
    • 制备有机化合物的方法
    • WO2007085651A1
    • 2007-08-02
    • PCT/EP2007/050816
    • 2007-01-29
    • Speedel Experimenta AGHEROLD, PeterSTUTZ, StefanMAH, RobertSTOJANOVIC, AleksandarLYOTHIER, IsabelleBEHNKE, DirkSPINDLER, FelixBAPPERT, Erhard
    • HEROLD, PeterSTUTZ, StefanMAH, RobertSTOJANOVIC, AleksandarLYOTHIER, IsabelleBEHNKE, DirkSPINDLER, FelixBAPPERT, Erhard
    • C07D231/56C07D471/04
    • C07D471/04C07D231/56
    • Compounds of the formula I, in which R' 1 and R' 2 represent, independently of one another, H, C 1 -C 8 -alkyl, halogen, polyhalo-C 1 -C 8 -alkoxy, polyhalo-C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy, C 1 -C 8 -alkoxy-C 1 -C 8 -alkyl or C 1 -C 8 -alkoxy-C 1 -C 8 -alkoxy, R' 1 and R' 2 not simultaneously representing H, and R' 3 represents C 1 -C 8 -alkyl and in which the carbon atom to which the R' 3 radical is bonded exhibits either the (R) or (S) configuration, the (R) configuration being preferred, can be obtained in high yields by a stereoselective addition of R' 3 -substituted propionates to RV and R' 2 -substituted unsaturated bicyclic heterocyclyl aldehydes of the formula R-CHO to give corresponding 3-R-3-hydroxy-2-R' 3 -propionates. Conversion of the OH group to a leaving group, subsequently a regioselective elimination to give 3-R-2-R' 3 -propenoates, followed by 1 ) the saponification to give the corresponding 3-R-2-R' 3 -propenoic acids, the enantioselective hydrogenation thereof to give corresponding chiral 3-R-2-R' 3 -propanoic acids and the reduction thereof, or 2) the saponification to give the corresponding 3-R-2-R' 3 -propenoic acids, the reduction thereof to give corresponding 3-R-2-R' 3 -allyl alcohols and the enantioselective hydrogenation thereof, or 3) the reduction to give corresponding 3-R-2-R' 3 -allyl alcohols and the enantioselective hydrogenation thereof, R being
    • 其中R 1'和R“2'的式I化合物彼此独立地表示H,C 1 -C 3烷基, 烷基,卤素,多卤代-C 1 -C 8 - 烷氧基,多卤代-C 1 -C 1 - C 1 -C 8 - 烷氧基,C 1 -C 8 - 烷基,C 1 -C 8 - 烷氧基,C 1 -C 8 - - 烷氧基-C 1 -C 8 - 烷基或C 1 -C 8 - 烷氧基-C R 1'和R“2不同时表示H,R' N 3表示C 1 -C 8 - 烷基,并且其中R'3个基团的碳原子是 (R)或(S)构型可以以高收率通过立体选择性添加R'3 - 取代丙酸酯至RV和R' 式R-CHO的2-取代的不饱和双环杂环基醛,得到相应的3-R-3-羟基-2R'3 - 丙酸酯。 将OH基转化为离去基团,随后进行区域选择性消除,得到3-R-2-R“3 - 丙烯酸酯,然后1)皂化,得到相应的3-R-2 -R'3'-丙烯酸,其对映选择性氢化反应,得到相应的手性3-R-2-R'3'-丙酸及其还原剂,或2) 皂化,得到相应的3-R-2-R“3 - 丙烯酸,将其还原,得到相应的3-R-2-R”3 - 烯丙基 醇和其对映体选择性氢化,或3)还原反应得到相应的3-R-2-R“3 - 烯丙醇及其对映选择性氢化,R为