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    • 7. 发明授权
    • Process for producing bicyclo[3.3.0]octanes
    • 制备双环[3.3.0]辛烷的方法
    • US4978775A
    • 1990-12-18
    • US890690
    • 1986-07-16
    • Shiro IkegamiYasuhiro TorizawaSeizi Kurozumi
    • Shiro IkegamiYasuhiro TorizawaSeizi Kurozumi
    • C07F7/18C07C51/377C07C67/00C07C401/00C07C405/00
    • C07C405/0083C07C51/377Y02P20/55
    • This invention provides a process for producing bicyclo[3.3.0]octanes expressed by the following formula [II] ##STR1## wherein R.sub.11 represents H, a one-equivalent cation or R.sub.1, R.sub..omega.' , represents R.sub..omega.' , and R.sub.21 represents H or R.sub.2,from a thiol compound expressed by the following formula [I], ##STR2## wherein R.sub.1 represents a C.sub.1-10 alkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted alicyclic group, a substituted or unsubstituted phenyl (C.sub.1-2)alkyl group or a tri(C.sub.1-7 hydrocarbyl)silyl group, Ar represents a substituted or unsubstituted aryl group, R.sub..omega. represents a substituted or unsubstituted C.sub.1-13 alkyl group or a substituted or unsubstituted C.sub.2-13 alkenyl group, and R.sub.2 represents a hydroxyl-protecting group.This process enables to obtain isocarbacyclines or synthetic intermediates therefor with industrial advantages.
    • PCT No.PCT / JP85 / 00636 Sec。 371日期:1986年7月16日 102(e)日期1986年7月16日PCT提交1985年11月14日PCT公布。 公开号WO86 / 02923 日本公开日1986年5月22日。本发明提供一种由下式[II]表示的双环[3.3.0]辛烷的方法。其中R11表示H,单当量阳离子或R 1,R“ ,由下式[I]表示的硫醇化合物表示R omega',R 21表示H或R 2,其中R 1表示C 1-10烷基,取代或未取代的苯基, 取代或未取代的脂环基,取代或未取代的苯基(C1-2)烷基或三(C1-7烃基)甲硅烷基,Ar表示取代或未取代的芳基,R表示取代或未取代的C1-13烷基 或取代或未取代的C 2-3烯基,R 2表示羟基保护基。 该方法能够获得具有工业优势的异卡途菌素或其合成中间体。
    • 9. 发明授权
    • Novel isocarbacyclins and processes for production thereof
    • 新型异卡波菌素及其制备方法
    • US4788319A
    • 1988-11-29
    • US44957
    • 1987-05-01
    • Atsuo HazatoToshio TanakaNoriaki OkamuraKiyoshi BannaiKurozumi, SeiziSuzuki, MasaakiNoyori, Ryoji
    • Atsuo HazatoToshio TanakaNoriaki OkamuraKiyoshi BannaiKurozumi, SeiziSuzuki, MasaakiNoyori, Ryoji
    • C07C405/00C07C147/107
    • C07C405/0025C07C405/0083
    • A novel isocarbacyclin which is a compound represented by the following formula ##STR1## wherein R.sup.1 represents a hydrogen atom, or a C.sub.1 -C.sub.4 alkyl or alkenyl group; R.sup.2 and R.sup.3 are identical or different and each represents a hydrogen atom, a tri(C.sub.1 -C.sub.7)hydrocarbon-silyl group or a group forming an acetal linkage together with the oxygen atom of the hydroxyl group; R.sup.4 represents a hydrogen atom, a methyl group or a vinyl group; R.sup.5 represents an unsubstituted linear or branched C.sub.3 -C.sub.8 alkyl group which may be interrupted by an oxygen atom, a substituted linear or branched C.sub.1 -C.sub.5 group in which the substituent is a C.sub.1 -C.sub.6 alkoxy group or a phenyl, phenoxy or C.sub.3 -C.sub.10 cycloalkyl group which may be substituted further, a phenyl group which may be substituted, a phenoxy group which may be substituted, or a C.sub.3 -C.sub.10 cycloalkyl group which may be substituted; n is 0 or 1; and Ar represents a substituted or unsubstituted phenyl group, its enantiomorph, or a mixture both in an arbitrary ratio.
    • 一种新颖的异卡巴环素,它是由下式表示的化合物:其中R 1表示氢原子或C 1 -C 4烷基或烯基; R2和R3相同或不同,各自表示氢原子,三(C1-C7)烃 - 甲硅烷基或与羟基的氧原子一起形成缩醛键的基团; R4表示氢原子,甲基或乙烯基; R5表示可被氧原子取代的未取代的直链或支链C 3 -C 8烷基,其中取代基为C 1 -C 6烷氧基的取代的直链或支链C 1 -C 5基或苯基,苯氧基或C 3 -C 10 可以被取代的环烷基,可被取代的苯基,可被取代的苯氧基或可被取代的C3-C10环烷基; n为0或1; Ar表示取代或未取代的苯基,其对映体或任意比例的混合物。