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    • 1. 发明授权
    • Prostacyclin analogue, and blood circulation improving agent and
anti-ulcer composition containing it as active ingredient
    • US4837342A
    • 1989-06-06
    • US14591
    • 1987-02-13
    • Masakatsu ShibasakiAtsuo TakahashiTuyoshi AokiKentaro KogiYozo NishimiyaTakeshi NaraTakashi Yamaguchi
    • Masakatsu ShibasakiAtsuo TakahashiTuyoshi AokiKentaro KogiYozo NishimiyaTakeshi NaraTakashi Yamaguchi
    • C07C405/00
    • C07C405/0083
    • A prostacyclin analogue having the formula: ##STR1## wherein R.sup.1 is --CO.sub.2 R.sup.5 (wherein R.sup.5 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 12 carbon atoms, an aralkyl group having from 7 to 12 carbon atoms, a cycloalkyl group having from 4 to 7 carbon atoms and unsubstituted or substituted by at least one alkyl group having from 1 to 4 carbon atoms, a substituted or unsubstituted phenyl group, or one equivalent of a cation), or --CONR.sup.6 R.sup.7 (wherein each of R.sup.6 and R.sup.7 is a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, or R.sup.6 and R.sup.7 together with the adjacent nitrogen atom, form a 5- or 6-membered substituted or unsubstituted hetero ring which may contain a hetero atom other than said nitrogen atom); A is --CH.sub.2 CH.sub.2 CH.sub.2 --, CH.sub.2 --O--CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 --O--CH.sub.2 -- or --CH.dbd.CHCH.sub.2 CH.sub. 2 --; B is trans --CH.dbd.CH-- or --C.tbd.C--; R.sup.2 is a straight chain or branched alkyl group having from 3 to 10 carbon atoms, a cycloalkyl group having from 4 to 7 carbon atoms and unsubstituted or substituted by at least one alkyl group having from 1 to 4 carbon atoms, a straight chain or branched alkenyl group having from 3 to 12 carbon atoms, a straight chain or branched alkynyl group having from 3 to 8 carbon atoms, or an alkyl group having from 1 to 3 carbon atoms substituted by a substituted or unsubstituted phenyl or phenoxy group, by an alkoxy group having from 1 to 6 carbon atoms or by a cycloalkyl group having from 5 to 8 carbon atoms; R.sup.3 is a hydrogen atom, a methyl group or a vinyl group; and R.sup.4 is a hydrogen atom, an acyl group having from 1 to 7 carbon atoms, a tri-C.sub.1 -C.sub.7 hydrocarbon-silyl group or a group capable of forming an acetal bond together with the oxygen atom of a hydroxyl group; provided that the double bond in a substituent for A is E or Z, or a mixture thereof; the asymmetric center in a substituent for R.sup.2 assumes a R-conformation or a S-conformation, or a mixture thereof; and the bonds shown by dotted lines at the 2-3 and 3-4 positions mean that either one of them is a double bond.
    • 6. 发明授权
    • Method for preparing cis-bicyclo[3.3.0]octylidene derivative
    • 顺式 - 双环[3.3.0]亚辛基衍生物的制备方法
    • US4632997A
    • 1986-12-30
    • US700003
    • 1985-02-08
    • Masakatsu ShibasakiMikiko SodeokaYuji Ogawa
    • Masakatsu ShibasakiMikiko SodeokaYuji Ogawa
    • C07C405/00C07F7/18C07C51/36C07C67/303C07D309/10
    • C07F7/1856C07C405/0016C07C405/0025C07C405/0083Y02P20/55
    • A method for preparing a cis-bicyclo[3.3.0]octylidene derivative represented by the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group; R.sup.2 is a hydrogen atom or a protective group for hydroxyl group; and Y is ##STR2## where R.sup.3 is a hydrogen atom or a protective group for hydroxyl group; R.sup.4 is a hydrogen atom or a straight, branched or cyclic alkyl group, alkenyl group or alkynyl group; and X is a group represented by CH.dbd.CH or C.tbd.C,comprises carrying out the catalytic hydrogenation reaction of a (1-alkenyl)-cis-bicyclo[3.3.0]octene derivative represented by the formula: ##STR3## wherein R.sup.1, R.sup.2 and Y have the same meanings as defined above, in the presence of a metal carbonyl compound or its complex represented by the formula:Mw(CO)x(H)y(R)zwherein M is a metal element of the group VIB; R is a .pi. ligand or a phosphine ligand; w is 1 or 2; x is an integer of 3 to 6; y is 0 or 1; and z is 0 or an integer of 1 to 3.
    • 一种制备由下式表示的顺式 - 双环[3.3.0]亚辛基衍生物的方法:其中R1是氢原子或烷基; R2是氢原子或羟基的保护基; Y为,其中R3为氢原子或羟基保护基; R4是氢原子或直链,支链或环状烷基,烯基或炔基; X为由CH = CH或C 3 B C表示的基团,包括进行由下式表示的(1-烯基) - 双 - 二环[3.3.0]辛烯衍生物的催化氢化反应:其中R1 在其中M是该基团的金属元素的情况下,在由式(M)(CO)x(H)y(R)z表示的金属羰基化合物或其络合物的存在下,R2和Y具有与上述相同的含义: VIB; R是π配体或膦配体; w为1或2; x为3〜6的整数, y为0或1; z为0或1〜3的整数。