Process for prostaglandin E.sub.1 production, and novel delta
7-prostaglandins E and 7-hydroxyprostaglandins E
    62.
    发明授权
    Process for prostaglandin E.sub.1 production, and novel delta 7-prostaglandins E and 7-hydroxyprostaglandins E 失效
    前列腺素E1生产方法,新型三角洲7-前列腺素E和7-羟基前列腺素E

    公开(公告)号:US4845282A

    公开(公告)日:1989-07-04

    申请号:US147124

    申请日:1988-01-21

    IPC分类号: C07C405/00

    CPC分类号: C07C405/00

    摘要: The present invention provides an industrially very advantageous process for producing prostaglandins E.sub.1 with fewer steps and in higher yield. The process comprises reacting a 7-hydroxyprostaglandin E with a reactive derivative of an organic sulfonic acid in the presence of a basic compound to form the corresponding 7-organic sulfonyloxyprostaglandin E, treating the resulting 7-organic sulfonyloxyprostaglandin E, after or without isolation, in the presence of a basic compound to form a .DELTA..sup.7 -prostaglandin E, thereafter selectively reducing the carbon-carbon unsaturated bond existing on the .alpha.-chain. Some of the 7-hydroxyprostaglandins E and .DELTA..sup.7 -prostaglandins E used in the process are novel compounds.

    摘要翻译: 本发明提供了一种工业上非常有利的方法,用于以更少的步骤和更高的产率制备前列腺素E1。 该方法包括在碱性化合物的存在下使7-羟基前列腺素E与有机磺酸的活性衍生物反应,形成相应的7-有机磺酰氧基前列腺素E,在得到的7-有机磺酰氧基前列腺素E或分离后,在 碱性化合物的存在形成DELTA 7-前列腺素E,然后选择性地还原存在于α链上的碳 - 碳不饱和键。 该方法中使用的7-羟基前列腺素E和DELTA 7-前列腺素E中的一些是新化合物。

    Photographic element
    63.
    发明授权
    Photographic element 失效
    摄影元素

    公开(公告)号:US4607003A

    公开(公告)日:1986-08-19

    申请号:US721519

    申请日:1985-04-09

    摘要: A photographic element comprising a support and at least one silver halide emulsion layer. The photographic element contains at least one layer containing at least one of the dyes represented by the following formula (I), (II), (III), (IV), (V), (VI), (VII) or (VIII): ##STR1## wherein Z.sub.1 to Z.sub.10 ; R.sub.1 to R.sub.24 ; L.sub.1 to L.sub.18 ; Y.sub.1 to Y.sub.8 ; Q.sub.1 to Q.sub.4 ; X.sub.1 to X.sub.3 ; Ar; h, m, p and r; and t.sub.1 to t.sub.3 are described in the specification.

    摘要翻译: 一种照相元件,包括支持体和至少一个卤化银乳剂层。 照相元件含有至少一层,其含有下述式(I),(II),(III),(IV),(V),(VI),(VII)或(VIII) (Ⅶ))))))))))))))))))))))))))))))))))))))))))))))))))))))) 其中Z1至Z10; R1至R24; L1至L18; Y1至Y8; Q1至Q4; X1至X3; Ar; h,m,p和r; 在说明书中对t1〜t3进行说明。