Triarylborane derivatives, their preparation and their use as synthesis
intermediates
    6.
    发明授权
    Triarylborane derivatives, their preparation and their use as synthesis intermediates 失效
    三芳基硼烷衍生物,其制备及其作为合成中间体的用途

    公开(公告)号:US5374735A

    公开(公告)日:1994-12-20

    申请号:US166026

    申请日:1993-12-14

    IPC分类号: C07F5/02 C07F7/10 C07D257/04

    CPC分类号: C07F5/027

    摘要: Triarylborane derivatives corresponding to the formula (1) ##STR1## in which R either represents a group --CR.sub.1 R.sub.2 R.sub.3 where R.sub.1, R.sub.2 and R.sub.3 are each, independently of one another, a (C.sub.1 -C.sub.2)alkyl or aryl group, or represents a group --CH.sub.2 OR.sub.4 where R.sub.4 is a (C.sub.1 -C.sub.2)alkyl or benzyl group, or represents a group --Si(R.sub.5).sub.3 where R.sub.5 is a (C.sub.1 -C.sub.2)alkyl or aryl group, R being in the 1 or 2 position of the tetrazole ring, their preparation and their use as synthesis intermediates.

    摘要翻译: 对应于式(1)的三芳基硼烷衍生物其中R代表基团-CR1R2R3,其中R1,R2和R3彼此独立地为(C1-C2)烷基或芳基,或 表示基团-CH 2 OR 4,其中R 4是(C 1 -C 2)烷基或苄基,或代表基团-Si(R 5)3,其中R 5是(C 1 -C 2)烷基或芳基,R 1或2 四唑环的位置,它们的制备及其作为合成中间体的用途。

    2-(tetrazol-5-yl)-1,1'-biphenyl derivatives, their preparation and their
use as synthetic intermediates
    8.
    发明授权
    2-(tetrazol-5-yl)-1,1'-biphenyl derivatives, their preparation and their use as synthetic intermediates 失效
    2-(四唑-5-基)-1,1'-联苯衍生物,其制备及其作为合成中间体的用途

    公开(公告)号:US5371233A

    公开(公告)日:1994-12-06

    申请号:US998055

    申请日:1992-12-29

    IPC分类号: C07D257/04 C07D403/10

    CPC分类号: C07D257/04

    摘要: Compounds corresponding to the formula (I) ##STR1## in which X represents dibromomethyl, formyl, (C.sub.1-4)alkyl, or a group CH(OR.sub.5).sub.2 or CH(OH)OR.sub.5, wherein the or each R.sub.5 is hydrogen (C.sub.1-3)alkyl or the two R.sub.5 's in the case of CH(OR.sub.5).sub.2 are linked to provide a 1,3-dioxolane or 1,3-dioxane ring, and Y represents hydrogen, 1,1-dimethylethyl, triphenylmethyl, trimethylstannyl, tributylstannyl, (1,1-dimethylethyl)dimethylsilyl, (1,1-dimethylethyl)diphenylsilyl, 2-cyanoethyl, or a group CH.sub.2 OR.sub.6 wherein R.sub.6 is methyl, phenylmethyl, 1,1-dimethylethyl, 2,2,2-trichloroethyl, benzyloxycarbonyl or 2,2,2-trichloroethyloxycarbonyl, Y being in position 1 or 2 on the tetrazole ring. The compounds of formula (I) are useful as intermediates in the synthesis of compounds possessing therapeutic activity.

    摘要翻译: 对应于式(I)的化合物其中X表示二溴甲基,甲酰基,(C 1-4)烷基或CH(OR 5)2或CH(OH)OR 5基团,其中每个R 5为 氢(C 1-3)烷基或在CH(OR 5)2的情况下的两个R 5连接,得到1,3-二氧戊环或1,3-二恶烷环,Y代表氢,1,1-二甲基乙基,三苯基甲基 ,三甲基甲锡烷基,三丁基甲锡烷基,(1,1-二甲基乙基)二甲基甲硅烷基,(1,1-二甲基乙基)二苯基甲硅烷基,2-氰乙基或CH 2 OR 6,其中R 6是甲基,苯甲基,1,1-二甲基乙基, 三氯乙基,苄氧基羰基或2,2,2-三氯乙氧基羰基,Y在四唑环上位于1或2位。 式(I)的化合物可用作合成具有治疗活性的化合物的中间体。