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    • 2. 发明授权
    • 7-thiaprostaglandins E, and process for producing same
    • 7-硫代前列腺素E及其制备方法
    • US5159102A
    • 1992-10-27
    • US526682
    • 1990-05-22
    • Toshio TanakaKiyoshi BannaiAtsuo HazatoSeizi Kurozumi
    • Toshio TanakaKiyoshi BannaiAtsuo HazatoSeizi Kurozumi
    • C07C405/00
    • C07C405/0033
    • 7-thiaprostaglandins E.sub.1 which are compounds represented by the following formula [I] or their enantiomers or mixtures thereof in any ratio: ##STR1## where R.sup.1 represents a hydrogen atom, a C.sub.1 -C.sub.10 alkyl group, a C.sub.2 -C.sub.20 alkenyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted C.sub.3 -C.sub.10 cycloalkyl group, a substituted or unsubstituted phenyl (C.sub.1 -C.sub.2) alkyl group, or one equivalent cation; R.sup.2 and R.sup.3, which may be the same or different, represent a hydrogen atom, a tri (C.sub.1 -C.sub.7) hydrocarbon silyl group, or a group forming an acetal linkage together with an oxygen atom of a hydroxyl group; R.sup.4 represents a hydrogen atom, a methyl group or a vinyl group; R.sup.5 represents a linear or branched C.sub.3 -C.sub.8 alkyl group, a linear or branched C.sub.3 -C.sub.8 alkenyl group, a linear or branched C.sub.2 -C.sub.8 alkynyl group, a phenyl group which may be substituted, a phenoxy group which may be substituted, a C.sub.3 -C.sub.10 cycloalkyl group which may be substituted, or a linear or branched C.sub.1 -C.sub.5 alkyl group which may be substituted with a C.sub.1 -C.sub.6 alkoxy group, 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; X represents an ethylene group, a vinylene group or an ethylene group; n represents 0 or 1; the expression represents an ethylene group or a vinylene group, provided that when n is o and x is an ethylene group, R.sup.5 is not a linear or branched C.sub.3 -C.sub.8 alkyl group or a C.sub.3 -C.sub.10 cycloalkyl group which may be substituted.Such compounds are especially useful for the treatment and prevention of digestive organ diseases such as a duodenal ulcer or a gastric ulcer.
    • 作为由下式[I]表示的化合物或其对映异构体或其混合物的7-硫代前列腺素E1为任意比例:其中R 1表示氢原子,C 1 -C 10烷基,C 2 -C 20链烯基 取代或未取代的苯基,取代或未取代的C3-C10环烷基,取代或未取代的苯基(C1-C2)烷基或一个当量的阳离子; R2和R3可以相同或不同,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; R 5表示直链或支链C 3 -C 8烷基,直链或支链C 3 -C 8烯基,直链或支链C 2 -C 8炔基,可被取代的苯基,可被取代的苯氧基,C3 可以被取代的C 10环烷基,或可以被C 1 -C 6烷氧基取代的直链或支链C 1 -C 5烷基,可被取代的苯基,可被取代的苯氧基或C 3 -C 6烷氧基, 可被取代的C 10环烷基; X表示亚乙基,亚乙烯基或亚乙基; n表示0或1; 该表达式表示亚乙基或亚乙烯基,条件是当n是o且x是亚乙基时,R 5不是直链或支链C 3 -C 8烷基或可被取代的C 3 -C 10环烷基。 这些化合物特别可用于治疗和预防消化器官疾病如十二指肠溃疡或胃溃疡。
    • 4. 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。
    • 8. 发明授权
    • Process for producing 16-substituted prostaglandin es.
    • 生产16-取代的前列腺素的方法。
    • US4841091A
    • 1989-06-20
    • US913889
    • 1986-09-29
    • Toshio TanakaAtsuo HazatoSeizi KurozumiMasahiro Koga
    • Toshio TanakaAtsuo HazatoSeizi KurozumiMasahiro Koga
    • C07C405/00
    • C07C405/0033C07C405/00
    • A novel process for manufacturing 16-substituted .DELTA..sup.7 -prostaglandin Es, which include compounds expressed by the following formula (I), their enanantiomers, or their mixtures of arbitray mixing ratio, ##STR1## wherein R.sup.1 indicates COOR.sup.2, CH.sub.2 OR.sup.3, in which R.sup.2 indicates a hydrogen atom, a dubstituted or unsubstituted C.sub.1 -C.sub.10 alkyl group, a substituted or unsubstituted C.sub.3 -C.sub.10 cycloalkyl group, or a substituted or unsubstituted phenyl group, and R.sup.3 indicates a hydrogen atom, a tri(C.sub.1 -C.sub.7) hydrocarbon silyl group, a group which forms an acetal bond together with the oxygen atom of a hydroxyl group, or a C.sub.2 -C.sub.7 acyl group; R.sup.4 and R.sup.5 are identical or different, each representing a hydrogen atom, a tri(C.sub.1 -C.sub.7 ) hydrocarbon silyl group, or a group which forms an acetal bond together with the oxygen atom of a hydroxyl group; R.sup.6 indicates a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, or a vinyl group; R.sup.7 indicates a linear or branched C.sub.3 -C.sub.8 alkyl group, an alkyenyl group, or an alkynyl group, which may contain an oxygen atom; a phenyl group, a phenoxy group, or a C.sub.3 -C.sub.10 cycloalkyl group, which may be substituted; or a linear or branched C.sub.1 -C.sub.5 alkyl group which is substituted by a C.sub.1 -C.sub.6 alkoxy group, a phenyl group a phenoxy group, or a C.sub.3 -C.sub.10 cycloalkyl group, which may be substituted; and Y indicates CH.sub.2 X or XCH.sub.2, in which X represents an ethylene group, a cis -or trans-vinylene group, or an ethynylene group.
    • PCT No.PCT / JP86 / 00034 Sec。 371日期1986年9月29日第 102(e)1986年9月29日PCT PCT公布1986年1月28日PCT公布。 出版物WO86 / 04330 日期:1986年7月31日。一种用于制备16取代的DELTA 7-前列腺素Es的新方法,其包括由下式(I)表示的化合物,其对映异构体或其混合比的混合物, 其中R1表示COOR2,CH2OR3,其中R2表示氢原子,取代或未取代的C1-C10烷基,取代或未取代的C3-C10环烷基或取代或未取代的苯基,R3表示氢原子, 三(C 1 -C 7)烃甲硅烷基,与羟基的氧原子一起形成缩醛键的基团或C 2 -C 7酰基; R4和R5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; R6表示氢原子,C1-C4烷基或乙烯基; R7表示可含有氧原子的直链或支链C 3 -C 8烷基,链烯基或炔基; 可被取代的苯基,苯氧基或C3-C10环烷基; 或被可被取代的C1-C6烷氧基,苯基苯氧基或C3-C10环烷基取代的直链或支链C1-C5烷基; Y表示CH2X或XCH2,其中X表示亚乙基,顺式或反式亚乙烯基或亚乙炔基。