Optically active hydantoins
    52.
    发明授权
    Optically active hydantoins 失效
    光学有效的HYDANTOINS

    公开(公告)号:US5068341A

    公开(公告)日:1991-11-26

    申请号:US402289

    申请日:1989-09-05

    IPC分类号: C07D498/04 C07D513/04

    CPC分类号: C07D513/04

    摘要: Optically active hydantoins of the formula I ##STR1## wherein X, Y, R.sup.1, R.sup.2 and R.sup.3 have the meaning given in Patent claim 1, are useful intermediate products for the preparation of D-(+)-biotin.

    摘要翻译: 其中X,Y,R 1,R 2和R 3具有专利权利要求1中给出的含义的式I的光学活性乙内酰脲是用于制备D - (+) - 生物素的中间产物。

    Process for the preparation of D-(+)-biotin
    54.
    发明授权
    Process for the preparation of D-(+)-biotin 失效
    制备D - (+) - 生物素的方法

    公开(公告)号:US4937351A

    公开(公告)日:1990-06-26

    申请号:US422828

    申请日:1989-10-17

    CPC分类号: C07D495/04 C07D513/04

    摘要: D-(+)-biotin can be prepared from optically active hydantoins of the formula I ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, X and Y have the meaning given in Patent Claim 1, in a simple, sterospecific manner.Furthermore bicyclic nitriles of the formula XI ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, X and Y have the meaning given represent precious intermediate products and educts of a multitude of possibilities to synthesize optically active D-(+)-biotin.

    Carbocyclic compounds
    57.
    发明授权
    Carbocyclic compounds 失效
    碳环化合物

    公开(公告)号:US4758373A

    公开(公告)日:1988-07-19

    申请号:US843406

    申请日:1986-03-24

    摘要: Carbocyclic compounds of the formula I ##STR1## wherein Q is a benzene or cyclohexane ring or a naphthalene system,X is in each case --CH.sub.2 --(CH.sub.2).sub.p -- wherein it is also possible for one or two non-adjacent CH.sub.2 groups to be replaced by --O--, --S--, --CO--, --O--CO--, --CO--O-- or --CH.dbd.CH--,p is 0, 1 or 2,A.sup.1 and A.sup.2 independently of one another are each a 1,4-phenylene group which is unsubstituted or monosubstituted or polysubstituted by halogen atoms and/or CH.sub.3 groups and/or CN groups and in which it would also be possible for one or more CH groups to be replaced by N atoms, a 1,4-cyclohexylene group wherein it would also be possible for one or two non-adjacent CH.sub.2 groups to be replaced by --O-- and/or --S--, a piperidine-1,4-diyl group or a 1,4-bicyclo[2.2.2]octylene group,Z is --CO--O--, --O--CO--, --O--, --CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CHCN--CH.sub.2 --, --CH.sub.2 --CHCN--, --CH.dbd.CH--, --CH.dbd.N--, --N.dbd.CH--, --NO.dbd.N--, --N.dbd.NO-- or a single bond,n is 0, 1 or 2 andR is alkyl having 1 to 20 C atoms wherein it would also be possible for one or more non-adjacent CH.sub.2 groups to be replaced by --O--, --CO--, --O--CO--, --CO--O-- or --CH.dbd.CH--, H, F, Cl, Br, I, OH, NH.sub.2, COOH or CN,m being 6 in the event that Q=benzene or cyclohexane and being 8 in the event that Q=naphthalene, subject to the proviso that, in the event that X=--OCH.sub.2 -- and --(A.sup.1 --Z).sub.n --A.sup.2 --R=p-alkoxyphenyl, Q is a cyclohexane ring, are suitable for use as components of discotic, liquid-crystal phases.

    摘要翻译: 式I&cir&Q [X(A1Z)nA2R] m I-的碳环化合物,其中Q是苯或环己烷环或萘系,X在每种情况下都是-CH 2 - (CH 2)p - ,其中也可以 一个或两个不被-O-,-S-,-CO-,-O-CO-,-CO-O-或-CH = CH-取代的不相邻的CH2基,p是0,1或2, A1和A2彼此独立地各自为未被取代或被卤素原子和/或CH 3基团和/或CN基团单取代或多取代的1,4-亚苯基,并且其中一个或多个CH基团也是可能的 被N原子取代的1,4-亚环己基,其中一个或两个不相邻的CH 2基团也可以被-O-和/或-S-替代,哌啶-1,4- 二环基或1,4-双环[2.2.2]亚辛基,Z是-CO-O-,-O-CO-,-O-,-CH 2 - , - CH 2 O-,-OCH 2 - , - CH 2 CH 2 - ,-CHCN-CH 2 - , - CH 2 -CHCN-, - CH = CH - , - CH = N - , - N = CH-,-NO = N-,-N = NO-或单键,n为0 ,1或2,R是具有1至20个C原子的烷基,其中它也将是 一个或多个不相邻的CH2基可被-O - , - CO-,-O-CO-,-CO-O-或-CH = CH-,H,F,Cl,Br, OH,NH 2,COOH或CN,在Q =苯或环己烷的情况下,m为6,在Q =萘的情况下为m,条件是在X = -OCH 2 - 和 - (A1 -Z)n-A2-R =对 - 烷氧基苯基,Q为环己烷环,适用于盘状,液晶相的成分。

    Nitrogen-containing heterocyclic compounds
    58.
    发明授权
    Nitrogen-containing heterocyclic compounds 失效
    含氮杂环化合物

    公开(公告)号:US4752414A

    公开(公告)日:1988-06-21

    申请号:US884349

    申请日:1986-07-11

    摘要: Nitrogen-containing heterocyclic compounds of the formula IR.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --[Z.sup.2 --A.sup.3 ].sub.n --R.sup.2whereinR.sup.1 and R.sup.2 in each case independently of one another are an alkyl group with 1-15 C atoms, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms and/or --CO-- groups and/or --O--CO-- groups and/or --CO--O-- groups, and one of the radicals R.sup.1 and R.sup.2 is also H, F, Cl, Br or CN,A.sup.1 is a 1,4-cyclohexylene group, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms, a 1,4-bicyclo-(2,2,2)-octylene group or a 1,3-dithiane-2,5-diyl group,Z.sup.1 and Z.sup.2 in each case independently of one another are --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond,A.sup.2 and A.sup.3 in each case independently of one another are a 1,4-phenylene group, pyrimidine-2,5-diyl group, 1,4-cyclohexylene group, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms, 1,3-dithiane-2,5-diyl group or a 1,4-bicyclo(2,2,2)-octylene group andn is 0 or 1,with the provisos that(a) at least one of the groups A.sup.2 and A.sup.3 is a pyrimidine-2,5-diyl group,(b) at least one of the groups Z.sup.1 and Z.sup.2 is not a single bond if A.sup.2 is pyrimidine-2,5-diyl and R.sup.2 is alkyl or CN,(c) Z.sup.1 is not --CO--O-- if A.sup.3 is pyrimidine-2,5-diyl and A.sup.1 is 1,4-cyclohexylene,(d) n is not 0 if A.sup.1 is 1,4-cyclohexylene and Z.sup.1 is --CH.sub.2 CH.sub.2 --, and(e) Z.sup.1 is not --CH.sub.2 CH.sub.2 -- if R.sup.2 is CN, and(f) Z.sup.1 is --CH.sub.2 CH.sub.2 --, --OCH.sub.2 -- or --CH.sub.2 O--, if A.sup.1 is 1,4-cyclohexylene and --A.sup.2 --[Z.sup.2 --A.sup.3 ].sub.n -- is ##STR1## and acid addition salts thereof, can be used as components of liquid crystal phases.

    摘要翻译: 式Ⅰ的含氮杂环化合物R1-A1-Z1-A2- [Z2-A3] n-R2其中R1和R2各自独立地为具有1-15个C原子的烷基,它也是 一个或两个不相邻的CH2基团可以被O原子和/或-CO-基团和/或-O-CO-基团和/或-CO-O-基团取代,并且基团R1和R2之一 也是H,F,Cl,Br或CN,A1是1,4-亚环己基,也可以将一个或两个不相邻的CH 2基团替换为O原子,1,4-二环 - ( 2,2,2) - 亚辛基或1,3-二噻烷-2,5-二基,Z1和Z2各自独立地为-CO-O-,-O-CO-,-CH2CH2- ,-OCH 2 - , - CH 2 O-或单键,A2和A3各自独立地为1,4-亚苯基,嘧啶-2,5-二基,1,4-亚环己基, 一个或两个不相邻的CH 2基团被O原子替代,1,3-二噻烷-2,5-二基或1,4-二环(2,2,2) - 亚辛基是可能的,n是 0 或1,条件是(a)基团A2和A3中的至少一个是嘧啶-2,5-二基,(b)如果A 2是,则Z1和Z 2中的至少一个不是单键 嘧啶-2,5-二基和R2是烷基或CN,(c)如果A3是嘧啶-2,5-二基,并且A1是1,4-亚环己基,则Z1不是-CO-O-,(d)n不是 如果A 1为1,4-亚环己基且Z 1为-CH 2 CH 2,则为0,(e)如果R 2为CN,则(Z1)不为-CH2CH2-,(f)Z1为-CH2CH2-,-OCH2-或-CH2O- A1是1,4-亚环己基,-A2- [Z2-A3] n-是它们的酸加成盐,可以用作液晶相的成分。

    Nitrogen-containing heterocyclic compounds
    60.
    发明授权
    Nitrogen-containing heterocyclic compounds 失效
    含氮杂环化合物

    公开(公告)号:US4713197A

    公开(公告)日:1987-12-15

    申请号:US692097

    申请日:1985-01-17

    摘要: Nitrogen-containing heterocyclic compounds of the formula IR.sup.I --(A--Z).sub.n --A--R.sup.2 Iwherein R.sup.1 and R.sup.2 in each case independently of one another are alkyl group with 1-15 C atoms, wherein one or two non-adjacent CH.sub.2 groups can also be replaced by 0 atoms and/or --CO-- group and/or --O--CO-- groups and/or --CO--O-- groups, and one of the radicals R.sup.1 and R.sup.2 can also be H, CN, F, Cl or Br, the groups A in each case independently of one another are a 1,4-phenylene group, wherein one or two CH groups can also be replaced by N atoms, a 1,4-cyclohexylene group, wherein one or two CH.sub.2 groups which are not adjacent can be replaced by 0 atoms, a 1,3-dithiane-2,5-diyl group, a 1,4-bicyclo(2,2,2)-octylene group, a decahydronapthalene-2,6-diyl group or a 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, the group Z in each case independently of one another are --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond and n is 3 or 4, with the proviso that (a) at least one of the groups A is a "1,4" phenylene group, wherein two CH groups are replaced by N atoms, and (b) at least one of the other groups A contains a cycloaliphatic radical and/or at least one group Z is not a single bond,can be used as components of liquid crystal phases.

    摘要翻译: 式I的氮杂环化合物R1-(AZ)nA-R2I其中R1和R2各自独立地是具有1-15个C原子的烷基,其中一个或两个不相邻的CH 2基团也可以 被0原子和/或-CO-基团和/或-O-CO-基团和/或-CO-O-基团取代,基团R 1和R 2之一也可以是H,CN,F,Cl或 Br中,基团A各自独立地为1,4-亚苯基,其中一个或两个CH基团也可以被N原子,1,4-亚环己基取代,其中一个或两个CH 2基团 不相邻的可被0个原子取代,1,3-二噻烷-2,5-二基,1,4-二环(2,2,2) - 辛炔基,十氢萘-2,6-二基 或1,2,3,4-四氢化萘-2,6-二基,基团Z各自独立地为-CO-O-,-O-CO-,-CH 2 CH 2 - , - OCH 2 - , - -CH 2 O-或单键,n为3或4,条件是(a)基团A中的至少一个为“1,4”亚苯基,wh erein两个CH基团被N原子取代,和(b)其它基团A中的至少一个包含脂环族基团和/或至少一个基团Z不是单键,可以用作液晶相的组分。