Certain hexahydro-6-arylpyrrolo[2,1-A]isoquinolines
    1.
    发明授权
    Certain hexahydro-6-arylpyrrolo[2,1-A]isoquinolines 失效
    某些六氢-6-芳基吡咯并[2,1-A]异喹啉

    公开(公告)号:US4908450A

    公开(公告)日:1990-03-13

    申请号:US304304

    申请日:1989-01-31

    IPC分类号: C07D471/04

    CPC分类号: C07D471/04

    摘要: A diastereoselective process for known antidepressive compounds (I) via reduction of the corresponding alcohol (VII): ##STR1## whereby the product mixture of diastereomers is surprisingly and unexpectedly rich in the content of the trans configuration (II) over the cis configuration (III) as defined in the following formulae: ##STR2## The preferred reaction conditions include use of a borane complex as the reducing agent and an acidic solvent such as trifuloroacetic acid.

    摘要翻译: 通过还原相应的醇(VII),已知的抗抑郁化合物(I)的非对映选择性方法:其中非对映异构体的产物混合物出人意料地且意外地富含 (III)优选的反应条件包括使用硼烷配合物作为还原剂和酸性溶剂如 作为三氟乙酸。

    Stereoselective reaction for hexahydro-6-arylpyrrolo(2,1-A) isoquinolines
    2.
    发明授权
    Stereoselective reaction for hexahydro-6-arylpyrrolo(2,1-A) isoquinolines 失效
    六氢-6-芳基吡咯并(2,1-A)异喹啉的立体选择性反应

    公开(公告)号:US4837328A

    公开(公告)日:1989-06-06

    申请号:US156063

    申请日:1988-02-16

    IPC分类号: C07D471/04

    CPC分类号: C07D471/04

    摘要: A diastereoselective process for known antidepressive compounds (I) via reduction of the corresponding alcohol (VII): ##STR1## whereby the product mixture of diastereomers is surprisingly and unexpectedly rich in the content of the trans configuration (II) over the cis configuration (III) as defined in the following formulae: ##STR2## The preferred reaction conditions include use of a borane complex as the reducing agent and an acidic solvent such as trifluoroacetic acid.

    摘要翻译: 通过还原相应的醇(VII),已知的抗抑郁化合物(I)的非对映选择性方法:其中非对映异构体的产物混合物令人惊讶地和出人意料地富含反式构型(II)的含量超过 如下式所定义的顺式构型(III):优选的反应条件包括使用硼烷络合物作为还原剂和酸性溶剂如三氟乙酸。

    Liquid phase process for the preparation of GnRH peptides
    8.
    发明授权
    Liquid phase process for the preparation of GnRH peptides 有权
    用于制备GnRH肽的液相方法

    公开(公告)号:US5977302A

    公开(公告)日:1999-11-02

    申请号:US195049

    申请日:1998-11-18

    摘要: A liquid phase process for preparing GnRH peptide analogs of the formula:G-AA.sub.1 -(A)D-Phe-AA.sub.3 -AA.sub.4 -(R.sub.2)-AA.sub.5 -AA.sub.6 AA.sub.7 -AA.sub.8 -Pro-AA.sub.10 -NH.sub.2Formula 1which comprises:(a) reacting a peptide of the formula:T-(R.sub.2)AA.sub.5 -AA.sub.6 -Xwhere T is (P.sub.2)AA4 orP.sub.2 and X is AA.sub.7 --OH or is --OH, with a peptide of the formula:X'-AA.sub.8 -Pro-AA.sub.10 -NH.sub.2or acid-addition salt form thereof, where X' is AA.sub.7 when X is absent and X' selected from P-Ala, Gly, GABA, the D- and L- isomers of Ala, amino isobutyric acid, 6-amino-hexanoic acid, Ser, Thr, His, Tyr, Asn, and Gln' is absent when X is AA.sub.7 --OH;in a liquid reaction medium in the presence of a peptide coupling reagent and a strong organic amine base to obtain a product of the formula:T-(R.sub.2)AA.sub.5 -AA.sub.6 -AA.sub.7 -AA.sub.8 -Pro-AA.sub.10 -NH.sub.2(b) removing the P.sub.2 protecting group at the N-terminus, and(c) reacting the product of step (b) or an acid addition salt thereof, with a peptide of the formula:G-AA.sub.1 -(R.sub.1)D-Phe-AA.sub.3 -T'or acid-addition salt form thereof, where T' is AA.sub.4 --OH when T is absent and is absent when T is P2-AA.sub.4, in a liquid reaction medium to obtain a GnRH peptide of the formula:G-AA.sub.1 -(A)D-Phe-AA.sub.3 -AA.sub.4 -(R.sub.2)AA.sub.5 -AA.sub.6 -AA.sub.7 -AA.sub.8 -Pro-AA.sub.10 -NH.sub.2.

    摘要翻译: 用于制备下式的GnRH肽类似物的液相方法:G-AA1-(A)D-Phe-AA3-AA4-(R2)-AA5-AA6AA7-AA8-Pro-AA10-NH2式1,其包含:(a )使下式的肽与下式的肽反应:其中T是(P2)AA4或P2,X是AA7-OH或-OH的式(T-(R2)AA5-AA6-X)肽与下式的肽反应:X'-AA8-Pro -AA10-NH2或其酸加成盐形式,其中当X不存在时X'为AA 7,X'选自P-Ala,Gly,GABA,Ala的D-和L-异构体,氨基异丁酸, 当X是AA7-OH时,氨基己酸,Ser,Thr,His,Tyr,Asn和Gln'不存在; 在液体反应介质中,在肽偶联剂和强有机胺碱的存在下,得到下式的产物:((R 2)AA 5 -A AA 6 -A AA 7 -A AA 8 -Pro-AA 10 -NH 2(b) P2保护基团,和(c)使步骤(b)的产物或其酸加成盐与下式的肽反应:G-AA1-(R1)D-Phe-AA3-T' 或其酸加成盐形式,其中当T不存在时T'为AA4-OH,当T为P2-AA4时不存在,在液体反应介质中得到G-AA1 - (A)的GnRH肽, D-Phe-AA3-AA4-(R2)AA5-AA6-AA7-AA8-Pro-AA10-NH2。