Processing for producing 2′-deoxy-2′-fluorouridine
    3.
    发明授权
    Processing for producing 2′-deoxy-2′-fluorouridine 失效
    2'-脱氧-2'-氟尿苷的制备方法

    公开(公告)号:US07388094B2

    公开(公告)日:2008-06-17

    申请号:US10552463

    申请日:2004-04-09

    IPC分类号: C07H19/073

    CPC分类号: C07H19/067 Y02P20/55

    摘要: 1-β-D-Arabinofuranosyluracil in 3′,5′-hydroxyl-protected form is reacted with a trifluoromethanesulfonylating agent in the presence of an organic base to convert it into a 2′-triflate form, and then it is reacted with a fluorinating agent containing “a salt or complex formed by an organic base and hydrofluoric acid” to produce 2′-deoxy-2′-fluorouridine in 3′,5′-hydroxyl-protected form. A deprotecting agent is further caused to act thereon to obtain 2′-deoxy-2′-fluorouridine. The 2′-deoxy-2′-fluorouridine obtained can efficiently be purified by temporarily converting it into a 3′,5′-diacetyl form, recrystallizing the 3′,5′-diacetyl form, and then deacetylating it. Thus, high-purity 2′-deoxy-2′-fluorouridine can be produced.

    摘要翻译: 3',5'-羟基保护形式的1-β-D-阿拉伯呋喃糖尿嘧啶在有机碱的存在下与三氟甲磺酰化剂反应,将其转化为2,3-三氟甲磺酸酯形式,然后与氟化 含有“由有机碱和氢氟酸形成的盐或络合物”的试剂以产生3',5'-羟基保护形式的2'-脱氧-2'-氟尿苷。 进一步使脱保护剂作用于其上,得到2'-脱氧-2'-氟尿苷。 所得到的2'-脱氧-2'-氟尿苷可以通过暂时转化为3',5'-二乙酰基形式,重结晶3',5'-二乙酰基形式,然后脱乙酰化而有效地纯化。 因此,可以制备高纯度2'-脱氧-2'-氟尿苷。

    Optically active 1-(fluoro-, trifluoromethyl-or trifluoromethoxy-substituted phenyl) alkylamine n-monoalkyl derivatives and process for producing same
    4.
    发明授权
    Optically active 1-(fluoro-, trifluoromethyl-or trifluoromethoxy-substituted phenyl) alkylamine n-monoalkyl derivatives and process for producing same 有权
    光学活性1-(氟 - ,三氟甲基 - 或三氟甲氧基取代的苯基)烷基胺n-单烷基衍生物及其制备方法

    公开(公告)号:US07186865B2

    公开(公告)日:2007-03-06

    申请号:US10476650

    申请日:2003-09-05

    IPC分类号: C07C211/00

    摘要: An optically active 1-(fluoro-, trifluoromethyl- or trifluoromethoxy-substituted phenyl)alkylamine N-monoalkyl derivative represented by the formula 4 is produced by a process including (a) reacting an optically active secondary amine, represented by the formula 1, with an alkylation agent R2—X, in the presence of a base, thereby converting the secondary amine into an optically active tertiary amine represented by the formula 3; and (b) subjecting the tertiary amine to a hydrogenolysis, thereby producing the N-monoalkyl derivative, wherein R represents a fluorine atom, trifluoromethyl group or trifluoromethoxy group, n represents an integer of from 1 to 5, each of R1 and R2 independently represents an alkyl group having a carbon atom number of from 1 to 6, Me represents a methyl group, Ar represents a phenyl group or 1- or 2-naphthyl group, * represents a chiral carbon, and X represents a leaving group.

    摘要翻译: 由式4表示的光学活性1-(氟 - ,三氟甲基 - 或三氟甲氧基取代的苯基)烷基胺N-单烷基衍生物通过以下方法制备,该方法包括:(a)使由式1表示的光学活性仲胺与式 烷基化剂R 2 -X在碱的存在下,由此将仲胺转化成由式3表示的光学活性叔胺; 和(b)使叔胺进行氢解,从而制备N-单烷基衍生物,其中R表示氟原子,三氟甲基或三氟甲氧基,n表示1〜5的整数,R 1 独立地表示碳原子数1〜6的烷基,Me表示甲基,Ar表示苯基或1-或2-萘基, *表示手性碳,X表示离去基团。

    Process for producing 2'-deoxy-2'-fluorouridine
    5.
    发明申请
    Process for producing 2'-deoxy-2'-fluorouridine 失效
    制备2'-脱氧-2'-氟尿苷的方法

    公开(公告)号:US20060247433A1

    公开(公告)日:2006-11-02

    申请号:US10552463

    申请日:2004-04-09

    IPC分类号: C07H19/12

    CPC分类号: C07H19/067 Y02P20/55

    摘要: 1-β-D-Arabinofuranosyluracil in 3′,5′-hydroxyl-protected form is reacted with a trifluoromethanesulfonylating agent in the presence of an organic base to convert it into a 2′-triflate form, and then it is reacted with a fluorinating agent containing “a salt or complex formed by an organic base and hydrofluoric acid” to produce 2′-deoxy-2′-fluorouridine in 3′,5′-hydroxyl-protected form. A deprotecting agent is further caused to act thereon to obtain 2′-deoxy-2′-fluorouridine. The 2′-deoxy-2′-fluorouridine obtained can efficiently be purified by temporarily converting it into a 3′,5′-diacetyl form, recrystallizing the 3′,5′-diacetyl form, and then deacetylating it. Thus, high-purity 2′-deoxy-2′-fluorouridine can be produced.

    摘要翻译: 3',5'-羟基保护形式的1-β-D-阿拉伯呋喃糖尿嘧啶在有机碱的存在下与三氟甲磺酰化剂反应,将其转化为2,3-三氟甲磺酸酯形式,然后与氟化 含有“由有机碱和氢氟酸形成的盐或络合物”的试剂以产生3',5'-羟基保护形式的2'-脱氧-2'-氟尿苷。 进一步使脱保护剂作用于其上,得到2'-脱氧-2'-氟尿苷。 所得到的2'-脱氧-2'-氟尿苷可以通过暂时转化为3',5'-二乙酰基形式,重结晶3',5'-二乙酰基形式,然后脱乙酰化而有效地纯化。 因此,可以制备高纯度2'-脱氧-2'-氟尿苷。

    Process for producing trifluoromethyl-substituted 2-alkoxyacetophenone derivatives
    6.
    发明申请
    Process for producing trifluoromethyl-substituted 2-alkoxyacetophenone derivatives 失效
    制备三氟甲基取代的2-烷氧基苯乙酮衍生物的方法

    公开(公告)号:US20060128976A1

    公开(公告)日:2006-06-15

    申请号:US11347390

    申请日:2006-02-06

    IPC分类号: C07D317/00 C07D309/00

    摘要: A process for producing a brominated acetal (represented by the formula 3) includes (a) brominating a trifluoromethyl-substituted acetophenone by Br2 in the presence of an alkylene diol. It is optional to produce a trifluoromethyl-substituted 2-alkoxyacetophenone derivative (represented by the formula 9) by (b) reacting the brominated acetal with a metal alkoxide, thereby converting the brominated acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove an acetal group from the ether, thereby producing the 2-alkoxyacetophenone derivative. Alternatively, the 2-alkoxyacetophenone can be produced by (a) reacting a trifluoromethyl-substituted phenacyl halide with an acetalization agent, thereby converting the phenacyl halide into an acetal; (b) reacting the acetal with a metal alkoxide, thereby converting the acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove the acetal group from the ether.

    摘要翻译: 制备溴化缩醛的方法(由式3表示)包括(a)在亚烷基二醇的存在下用Br 2 H 3溴化三氟甲基取代的苯乙酮。 (b)使溴化缩醛与金属醇盐反应,从而将溴化缩醛转化成醚,任选地制备三氟甲基取代的2-烷氧基苯乙酮衍生物(由式9表示) 和(c)在酸催化剂的存在下水解醚,以从乙醚中除去缩醛基,从而制备2-烷氧基苯乙酮衍生物。 或者,2-烷氧基苯乙酮可以通过以下方法制备:(a)使三氟甲基取代的苯甲酰甲基卤化物与缩醛化剂反应,从而将苯甲酰甲酰卤转化成缩醛; (b)使缩醛与金属醇盐反应,从而将缩醛转化成醚; 和(c)在酸催化剂存在下水解该醚,以从乙醚中除去缩醛基。

    Process for producing trifluoromethyl- substituted 2- alkoxyacetophenone derivatives
    7.
    发明授权
    Process for producing trifluoromethyl- substituted 2- alkoxyacetophenone derivatives 有权
    制备三氟甲基取代的2-烷氧基苯乙酮衍生物的方法

    公开(公告)号:US07053248B2

    公开(公告)日:2006-05-30

    申请号:US10473399

    申请日:2003-08-08

    IPC分类号: C07C45/61

    摘要: A process for producing a brominated acetal (represented by the formula 3) includes (a) brominating a trifluoromethyl-substituted acetophenone by Br2 in the presence of an alkylene diol. It is optional to produce a trifluoromethyl-substituted 2-alkoxyacetophenone derivative (represented by the formula 9) by (b) reacting the brominated acetal with a metal alkoxide, thereby converting the brominated acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove an acetal group from the ether, thereby producing the 2-alkoxyacetophenone derivative. Alternatively, the 2-alkoxyacetophenone can be produced by (a) reacting a trifluoromethyl-substituted phenacyl halide with an acetalization agent, thereby converting the phenacyl halide into an acetal; (b) reacting the acetal with a metal alkoxide, thereby converting the acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove the acetal group from the ether.

    摘要翻译: 制备溴化缩醛的方法(由式3表示)包括(a)在亚烷基二醇的存在下用Br 2 H 3溴化三氟甲基取代的苯乙酮。 (b)使溴化缩醛与金属醇盐反应,从而将溴化缩醛转化成醚,任选地制备三氟甲基取代的2-烷氧基苯乙酮衍生物(由式9表示) 和(c)在酸催化剂的存在下水解醚,以从乙醚中除去缩醛基,从而制备2-烷氧基苯乙酮衍生物。 或者,2-烷氧基苯乙酮可以通过以下方法制备:(a)使三氟甲基取代的苯甲酰甲基卤化物与缩醛化剂反应,从而将苯甲酰甲酰卤转化成缩醛; (b)使缩醛与金属醇盐反应,从而将缩醛转化成醚; 和(c)在酸催化剂存在下水解该醚,以从乙醚中除去缩醛基。

    Optically active 1-(fluoro-, trifluoromethyl- or trifluoromethoxy- substituted phenyl)alkylamine N-monoalkyl derivatives and process for producing same
    9.
    发明授权
    Optically active 1-(fluoro-, trifluoromethyl- or trifluoromethoxy- substituted phenyl)alkylamine N-monoalkyl derivatives and process for producing same 有权
    光学活性1-(氟,三氟甲基或三氟甲氧基取代的苯基)烷基胺N-单烷基衍生物及其制备方法

    公开(公告)号:US07368609B2

    公开(公告)日:2008-05-06

    申请号:US11705089

    申请日:2007-02-12

    IPC分类号: C07C211/00

    摘要: An optically active 1-(fluoro-, trifluoromethyl- or trifluoromethoxy-substituted phenyl)alkylamine N-monoalkyl derivative represented by the formula 4 is produced by a process including (a) reacting an optically active secondary amine, represented by the formula 1, with an alkylation agent R2—X, in the presence of a base, thereby converting the secondary amine into an optically active tertiary amine represented by the formula 3; and (b) subjecting the tertiary amine to a hydrogenolysis, thereby producing the N-monoalkyl derivative, wherein R represents a fluorine atom, trifluoromethyl group or trifluoromethoxy group, n represents an integer of from 1 to 5, each of R1 and R2 independently represents an alkyl group having a carbon atom number of from 1 to 6, Me represents a methyl group, Ar represents a phenyl group or 1- or 2-naphthyl group, * represents a chiral carbon, and X represents a leaving group.

    摘要翻译: 由式4表示的光学活性1-(氟 - ,三氟甲基 - 或三氟甲氧基取代的苯基)烷基胺N-单烷基衍生物通过以下方法制备,该方法包括:(a)使由式1表示的光学活性仲胺与式 烷基化剂R 2 -X在碱的存在下,由此将仲胺转化成由式3表示的光学活性叔胺; 和(b)使叔胺进行氢解,从而制备N-单烷基衍生物,其中R表示氟原子,三氟甲基或三氟甲氧基,n表示1〜5的整数,R 1 独立地表示碳原子数1〜6的烷基,Me表示甲基,Ar表示苯基或1-或2-萘基, *表示手性碳,X表示离去基团。

    Process for producing trifluoromethyl-substituted 2-alkoxyacetophenone derivatives
    10.
    发明授权
    Process for producing trifluoromethyl-substituted 2-alkoxyacetophenone derivatives 失效
    制备三氟甲基取代的2-烷氧基苯乙酮衍生物的方法

    公开(公告)号:US07189863B2

    公开(公告)日:2007-03-13

    申请号:US11347390

    申请日:2006-02-06

    IPC分类号: C07D319/06

    摘要: A process for producing a brominated acetal (represented by the formula 3) includes (a) brominating a trifluoromethyl-substituted acetophenone by Br2 in the presence of an alkylene diol. It is optional to produce a trifluoromethyl-substituted 2-alkoxyacetophenone derivative (represented by the formula 9) by (b) reacting the brominated acetal with a metal alkoxide, thereby converting the brominated acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove an acetal group from the ether, thereby producing the 2-alkoxyacetophenone derivative. Alternatively, the 2-alkoxyacetophenone can be produced by (a) reacting a trifluoromethyl-substituted phenacyl halide with an acetalization agent, thereby converting the phenacyl halide into an acetal; (b) reacting the acetal with a metal alkoxide, thereby converting the acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove the acetal group from the ether

    摘要翻译: 制备溴化缩醛的方法(由式3表示)包括(a)在亚烷基二醇的存在下用Br 2 H 3溴化三氟甲基取代的苯乙酮。 (b)使溴化缩醛与金属醇盐反应,从而将溴化缩醛转化成醚,任选地制备三氟甲基取代的2-烷氧基苯乙酮衍生物(由式9表示) 和(c)在酸催化剂的存在下水解醚,以从乙醚中除去缩醛基,从而制备2-烷氧基苯乙酮衍生物。 或者,2-烷氧基苯乙酮可以通过以下方法制备:(a)使三氟甲基取代的苯甲酰甲基卤化物与缩醛化剂反应,从而将苯甲酰甲酰卤转化成缩醛; (b)使缩醛与金属醇盐反应,从而将缩醛转化成醚; 和(c)在酸催化剂存在下水解该醚,以从乙醚中除去缩醛基