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    SYNTHESIS OF CHIRAL SUBSTITUTED BENZENES AND RELATED AROMATIC COMPOUNDS CONTAINING 1,2 DIOLS PROTECTED AS DIACETAL GROUPS
    1.
    发明申请
    SYNTHESIS OF CHIRAL SUBSTITUTED BENZENES AND RELATED AROMATIC COMPOUNDS CONTAINING 1,2 DIOLS PROTECTED AS DIACETAL GROUPS 审中-公开
    合适的取代的香草和相关的芳香化合物含有1,2个二醇保护作为DIACETAL组

    公开(公告)号：WO2012114347A1

    公开(公告)日：2012-08-30

    申请号：PCT/IN2011/000295

    申请日：2011-04-29

    Applicant: AVRA LABORATORIES PVT. LTD. ,  RAMARAO, Chandrashekar ,  NANDIPATI, Ramadevi ,  NAVAKOTI, Rajasekhar ,  KOTTAMASU, Ramanjaneyulu

    Inventor： RAMARAO, Chandrashekar ,  NANDIPATI, Ramadevi ,  NAVAKOTI, Rajasekhar ,  KOTTAMASU, Ramanjaneyulu

    IPC: C07D493/00 ,  C07D309/00 ,  C07D319/06 ,  C07D319/14

    CPC classification number: C07D319/20 ,  C07F9/65522

    Abstract: Disclosed herein is a compound of formula (A), its salts, enantiomers, and diastereomers thereof; wherein, Rl and R2 can be (C1-C6) alkyl groups, a phenyl group, a (C5-C7) cycloalkyl groups; X and Y individually selected from H, -N02, -NH2, -OH, -halo, -CHO, -COOH, - COOR, boronic acid-potassium bifluoride boronate salts, boronate esters, aryl, substituted aryl, alkyl or aryl carbamoyl, substituted alkyl or aryl carbamoyl; phosphines(R3R3P) and phosphine oxide of the formula R3R3P=0, where R3 represents an aryl group that can be substituted by one or more (C1-C5) alkyl group, a (C5-C7) cycloalkyl group, (Cl- C4) alkoxy group or di (C1-C4) alkyl amino groups, cyclic hetero aryl group preferably, a 5 membered ring or a halogen.(The R3 groups are normally identical and preferably phenyl groups); wherein both X and Y can be substituted in ortho, para or meta position of the phenyl ring w.r.t the diacetal/ ketal functional group in compound A. The invention also discloses process for preparation of the same.

    Abstract translation: 本文公开了式（A）的化合物，其盐，对映异构体和非对映异构体; 其中，R1和R2可以是（C1-C6）烷基，苯基，（C5-C7）环烷基; 分别选自H，-NO 2，-NH 2，-OH， - 卤代，-CHO，-COOH，-COOR，硼酸 - 二氟硼酸钾盐，硼酸酯，芳基，取代的芳基，烷基或芳基氨基甲酰基， 取代的烷基或芳基氨基甲酰基; 膦（R3R3P）和式R3R3P的氧化膦= 0，其中R3表示可被一个或多个（C1-C5）烷基取代的芳基，（C5-C7）环烷基，（C1-C4） 烷氧基或二（C1-C4）烷基氨基，环状杂芳基优选为5元环或卤素（R3基团通常相同，优选为苯基）; 其中X和Y可以在化合物A中的二缩醛/缩酮官能团的苯环的邻位，对位或间位取代。本发明还公开了制备其的方法。

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