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    • 1. 发明授权
    • Process for preparing optically active 1,2-diols
    • 光学活性1,2-二醇的制备方法
    • US06569652B1
    • 2003-05-27
    • US09486442
    • 2000-02-25
    • Tamotsu EguchiHideyo KumazawaKenichi Mochida
    • Tamotsu EguchiHideyo KumazawaKenichi Mochida
    • C12P1302
    • C12P7/22
    • The present invention relates to a process for producing optically active diols represented by the general formula (II): wherein R1 represents (CH2)n, CH═CH, O, S or NH whereupon n is an integer of 1 to 4, and R2 represents hydrogen, C1-6 alkyl, C1-6 alkoxy, (C1-6 alkoxy)-carbonyl, hydroxy, carboxy, halogen, nitro or amino, which comprises treating compounds represented by the general formula (I): wherein R1 and R2 have the same meanings as defined above, with a culture of a microorganism belonging to the genus Rhodococcus, Bacillus, Brevibacterium or Gordona and being capable of stereoselectively diolating a double bond in ring A, or with a culture of Mortierella vinacea, or with said microorganism itself, or with a treated material from said microorganism.
    • 本发明涉及由通式(II)表示的光学活性二醇的制备方法:其中R1表示(CH2)n,CH = CH,O,S或NH,其中n为1〜4的整数,R2为 代表氢,C 1-6烷基,C 1-6烷氧基,(C 1-6烷氧基) - 羰基,羟基,羧基,卤素,硝基或氨基,其包括处理由通式(I)表示的化合物:其中R1和R2具有 与上述定义相同,具有属于红球菌属,芽孢杆菌属,短杆菌属或戈多纳属的微生物的培养物,并且能够立体选择性地使环A中的双键二醇化,或与被孢霉属(Mortierella vinacea)的培养物或与所述微生物本身 ,或与来自所述微生物的处理物质混合。
    • 3. 发明授权
    • Process for producing xanthine derivatives with bacteria and fungi
    • 用细菌和真菌生产黄嘌呤衍生物的方法
    • US6107064A
    • 2000-08-22
    • US581533
    • 1996-01-17
    • Junichi ShimadaTamotsu EguchiKenichi MochidaAkira HoriguchiTohru YasuzawaHideaki KusakaHiromi NonakaFumio Suzuki
    • Junichi ShimadaTamotsu EguchiKenichi MochidaAkira HoriguchiTohru YasuzawaHideaki KusakaHiromi NonakaFumio Suzuki
    • C07D473/04C07D473/06C12P17/18C12P17/16
    • C07D473/04C07D473/06C12P17/18
    • The present invention relates to a process for producing a xanthine derivative represented by formula (II), comprising converting a xanthine derivative represented by formula (I) {hereinafter, referred to as Compound (I)}: ##STR1## (wherein R.sup.1 and R.sup.2 independently represent hydrogen, or hydroxy-substituted, oxo-substituted, or unsubstituted lower alkyl) into a xanthine derivative represented by formula (II) {hereinafter, referred to as Compound (II)}: ##STR2## (wherein R.sup.3 and R.sup.4 independently represent hydrogen, or hydroxy-substituted, oxo-substituted, or unsubstituted lower alkyl; R.sup.5 and R.sup.6 independently represent hydrogen, hydroxy, or oxo; with the proviso that R.sup.5 and R.sup.6 are both hydrogen, at least one of R.sup.3 and R.sup.4 is hydroxy-substituted or oxo-substituted lower alkyl; and X and Y both represent hydrogen or are combined with each other to form a single bond) in the presence of an enzyme source for catalyzing hydroxylation or carbonylation of Compound (I) into Compound (II), and collecting the produced Compound (II).
    • PCT No.PCT / JP95 / 00929 Sec。 371日期1996年1月17日 102(e)日期1996年1月17日PCT提交1995年5月16日PCT公布。 公开号WO95 / 31460 日本特开平9-1252号公报发明内容本发明涉及由式(II)表示的黄嘌呤衍生物的制造方法,其特征在于,将由式(I)表示的黄嘌呤衍生物{以下称为化合物(I)} 和R2独立地表示氢或羟基取代的,取代或未取代的低级烷基)转化为由式(II)表示的黄嘌呤衍生物(以下称为化合物(II)}:(其中R 3和R 4独立地表示氢 或羟基取代的,取代或未取代的低级烷基; R 5和R 6独立地表示氢,羟基或氧代;条件是R 5和R 6都是氢,R 3和R 4中的至少一个是羟基取代的或 氧代取代的低级烷基; X和Y均表示氢或彼此结合形成单键)在用于催化化合物(I)羟化或羰基化成化合物(II)的酶源的存在下,以及大学 将所制备的化合物(II)。