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    • 1. 发明申请
    • PROCESS FOR PREPARING 2-AZADIHYDROXYBICYCLO[2.2.1]HEPTANE COMPOUNDS AND THE L-TARTARIC ACID SALT OF THE COMPOUND
    • 制备2-亚氨基二羟基双环[2.2.1]庚二烯化合物和化合物的L-十八烷酸盐的方法
    • WO1998016510A1
    • 1998-04-23
    • PCT/US1997018365
    • 1997-10-15
    • RHONE-POULENC RORER PHARMACEUTICALS INC.O'BRIEN, MichaelLEON, PatrickLARGEAU, DenisPOWERS, MatthewDURAND, Thierry
    • RHONE-POULENC RORER PHARMACEUTICALS INC.
    • C07D209/52
    • C07D209/52C07D209/02Y02P20/55
    • A method according to the invention is directed to the preparation of a 2-azadihydroxybicyclo[2.2.1]heptane compound of formula (I) or (I') wherein * represents an R chirality, *' represents an S chirality, R is hydrogen or, respectively, a group of formula (II) or (II') wherein R1 is alkyl and Ar is optionally substituted aryl, comprising bishydroxylating a bicyclo[2.2.1]heptene compound of formula (III) or (III') wherein *, *' and R are as previously defined, in the presence of about 0.1 mol % to about 5 mol % of a metal osmate compound or about 0.06 mol % to about 0.07 mol % osmium tetroxide, and an oxidizing agent capable of regenerating osmium tetroxide. The invention is also directed to the treatment of the (1R) diastereomer of the 2-azadihydroxybicyclo[2.2.1]heptane compound (I) wherein R is a group of formula (II) with L-tartaric acid, and the L-tartaric acid salt product thereof. Furthermore, the invention is directed to using the (1R) diastereomer of the 2-azadihydroxybicyclo[2.2.1]heptane compound in an acid facilitated acetalizing or ketalizing reaction that results in the protection of the dihydroxy moieties thereof in isopropanol. In addition, the invention is directed to oxidizing a bis O-protected derivative of the (1R) diastereomer of the 2-azadihydroxybicyclo[2.2.1]heptane compound to a corresponding lactam compound in the presence of about 0.01 mol % to about 1 mol % of RuO2 with about 3 equivalents of an oxidant to form the lactam compound with an enantiomeric excess ("ee") of greater than or equal to about 95 %.
    • 根据本发明的方法涉及制备式(I)或(I')的2-氮杂二羟基双环[2.2.1]庚烷化合物,其中*表示R手性,*'表示S手性,R为氢 或分别为其中R 1为烷基且Ar为任选取代的芳基的式(II)或(II')基团,其包含双羟基化式(III)或(III')的双环[2.2.1]庚烯化合物,其中* ,*'和R如前所定义,在约0.1mol%至约5mol%的金属锇化合物或约0.06mol%至约0.07mol%的四氧化锇存在下,以及能够再生四氧化锇的氧化剂 。 本发明还涉及用L-酒石酸和L-酒石酸处理其中R为式(II)的基团的2-氮杂二羟基双环[2.2.1]庚烷化合物(I)的(1R)非对映异构体 其酸盐产物。 此外,本发明涉及使用2-氮杂二羟基双环[2.2.1]庚烷化合物的(1R)非对映体在酸促进缩醛化或缩酮化反应中,其导致保护其在异丙醇中的二羟基部分。 此外,本发明涉及在约0.01mol%至约1mol的存在下将2-氮杂二羟基双环[2.2.1]庚烷化合物的(1R)非对映异构体的双O保护的衍生物氧化成相应的内酰胺化合物 %的RuO 2与约3当量的氧化剂以形成具有大于或等于约95%的对映体过量(“ee”)的内酰胺化合物。