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    • 3. 发明申请
    • Process for preparing optically active 2-[6-(hydroxy-methyl)-1,3-dioxan-4-yl] acetic acid derivatives
    • 光学活性的2- [6-(羟基 - 甲基)-1,3-二恶烷-4-基]乙酸衍生物的制备方法
    • US20050080277A1
    • 2005-04-14
    • US10048553
    • 2001-06-05
    • Akira NishiyamaMiho HorikawaYoshihiko YasoharaNoboru UeyamaKenji Inoue
    • Akira NishiyamaMiho HorikawaYoshihiko YasoharaNoboru UeyamaKenji Inoue
    • C07D319/06C12P7/42C12P17/06
    • C07D319/06C12P7/42C12P17/06
    • The present invention is to provide a production technology by which an optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivative, which are of value as pharmaceutical intermediates, can be produced from inexpensive and readily available starting materials without using any extraordinary equipment such as an ultra-low-temperature reactor. The present invention is a production process of an optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivative which comprises reacting an enolate, prepared by permitting a base or a 0-valent metal to act on an acetic acid ester derivative with (S)-β-hydroxy-γ-butyrolactone at a temperature not lower than −30° C. to give a dihydroxyoxohexanoic acid derivative, treating the same with an acylating agent in the presence of a base to produce a dihydroxyoxohexanoic acid monoacyl derivative, reducing this compound with a microorganism to produce a trihydroxyhexanoic acid monoacyl derivative, treating this compound with an acetal-forming reagent in the presence of an acid catalyst to produce an acyloxymethyldioxanylacetic acid derivative, and finally, subjecting this compound to solvolysis in the presence of a base.
    • 本发明提供一种生产技术,通过该技术,可以以廉价的方式生产价值为医药中间体的光学活性的2- [6-(羟甲基)-1,3-二恶烷-4-基]乙酸衍生物 和容易获得的起始材料,而不使用任何非常设备,例如超低温反应器。 本发明是光学活性的2- [6-(羟甲基)-1,3-二恶烷-4-基]乙酸衍生物的制备方法,该方法包括使通过使碱或0价金属 在不低于-30℃的温度下用(S)-β-羟基-γ-丁内酯在乙酸酯衍生物上作用,得到二羟基氧代己酸衍生物,在酰化剂存在下用酰化剂处理 碱化以制备二羟基氧己基单酰基衍生物,用微生物还原该化合物以产生三羟基己酸单酰基衍生物,在酸催化剂存在下用缩醛形成试剂处理该化合物,得到酰氧基甲基二恶烷基乙酸衍生物,最后, 该化合物在碱存在下溶剂解。
    • 4. 发明授权
    • Process for preparing optically active 2-[6-(hydroxy-methyl)-1,3-dioxan-4-yl] acetic acid derivatives
    • 光学活性的2- [6-(羟基 - 甲基)-1,3-二恶烷-4-基]乙酸衍生物的制备方法
    • US07094594B2
    • 2006-08-22
    • US10048553
    • 2001-06-05
    • Akira NishiyamaMiho HorikawaYoshihiko YasoharaNoboru UeyamaKenji Inoue
    • Akira NishiyamaMiho HorikawaYoshihiko YasoharaNoboru UeyamaKenji Inoue
    • C12P41/00
    • C07D319/06C12P7/42C12P17/06
    • The present invention is to provide a production technology by which an optically active 2-[6-(hydroxymethyl)-1, 3-dioxan-4-yl]acetic acid derivative, which are of value as pharmaceutical intermediates, can be produced from inexpensive and readily available starting materials without using any extraordinary equipment such as an ultra-low-temperature reactor.The present invention is a production process of an optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivative which comprises reacting an enolate, prepared by permitting a base or a 0-valent metal to act on an acetic acid ester derivative with (S)-β-hydroxy-γ-butyrolactone at a temperature not lower than −30° C. to give a dihydroxyoxohexanoic acid derivative, treating the same with an acylating agent in the presence of a base to produce a dihydroxyoxohexanoic acid monoacyl derivative, reducing this compound with a microorganism to produce a trihydroxyhexanoic acid monoacyl derivative, treating this compound with an acetal-forming reagent in the presence of an acid catalyst to produce an acyloxymethyldioxanylacetic acid derivative, and finally, subjecting this compound to solvolysis in the presence of a base.
    • 本发明提供一种生产技术,通过该技术,可以从廉价的方式制备价值为药物中间体的光学活性的2- [6-(羟甲基)-1,3-二恶烷-4-基]乙酸衍生物 和容易获得的起始材料,而不使用任何非常设备,例如超低温反应器。 本发明是光学活性的2- [6-(羟甲基)-1,3-二恶烷-4-基]乙酸衍生物的制备方法,该方法包括使通过使碱或0价金属 在不低于-30℃的温度下用(S)-β-羟基-γ-丁内酯在乙酸酯衍生物上作用,得到二羟基氧代己酸衍生物,在酰化剂存在下用酰化剂处理 碱化以制备二羟基氧己基单酰基衍生物,用微生物还原该化合物以产生三羟基己酸单酰基衍生物,在酸催化剂存在下用缩醛形成试剂处理该化合物,得到酰氧基甲基二恶烷基乙酸衍生物,最后, 该化合物在碱存在下溶剂解。
    • 5. 发明申请
    • Process for preparing optically active 2-[6-(hydroxy-methyl)-1,3-dioxan-4-yl] acetic acid derivatives
    • 光学活性的2- [6-(羟基 - 甲基)-1,3-二恶烷-4-基]乙酸衍生物的制备方法
    • US20060246557A1
    • 2006-11-02
    • US11477322
    • 2006-06-30
    • Akira NishiyamaMiho HorikawaYoshihiko YosoharaNoboru UeyamaKenji Inoue
    • Akira NishiyamaMiho HorikawaYoshihiko YosoharaNoboru UeyamaKenji Inoue
    • C12P7/64C12P7/62C07C51/00
    • C07D319/06C12P7/42C12P17/06
    • The present invention is to provide a production technology by which an optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivative, which are of value as pharmaceutical intermediates, can be produced from inexpensive and readily available starting materials without using any extraordinary equipment such as an ultra-low-temperature reactor. The present invention is a production process of an optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivative which comprises reacting an enolate, prepared by permitting a base or a 0-valent metal to act on an acetic acid ester derivative with (S)-β-hydroxy-γ-butyrolactone at a temperature not lower than −30° C. to give a dihydroxyoxohexanoic acid derivative, treating the same with an acylating agent in the presence of a base to produce a dihydroxyoxohexanoic acid monoacyl derivative, reducing this compound with a microorganism to produce a trihydroxyhexanoic acid monoacyl derivative, treating this compound with an acetal-forming reagent in the presence of an acid catalyst to produce an acyloxy-methyldioxanylacetic acid derivative, and finally, subjecting this compound to solvolysis in the presence of a base.
    • 本发明提供一种生产技术,通过该技术,可以以廉价的方式生产价值为医药中间体的光学活性的2- [6-(羟甲基)-1,3-二恶烷-4-基]乙酸衍生物 和容易获得的起始材料,而不使用任何非常设备,例如超低温反应器。 本发明是光学活性的2- [6-(羟甲基)-1,3-二恶烷-4-基]乙酸衍生物的制备方法,该方法包括使通过使碱或0价金属 在不低于-30℃的温度下用(S)-β-羟基-γ-丁内酯在乙酸酯衍生物上作用,得到二羟基氧代己酸衍生物,在酰化剂存在下用酰化剂处理 制备二羟基氧基己酸单酰基衍生物,用微生物还原该化合物以产生三羟基己酸单酰基衍生物,在酸催化剂存在下用缩醛形成试剂处理该化合物以产生酰氧基 - 甲基二恶烷基乙酸衍生物,最后 使该化合物在碱的存在下溶剂解。
    • 8. 发明授权
    • Optically active halohydrin derivative and process for producing optically active epoxy alcohol derivative from the same
    • 光学活性卤代醇衍生物及其制备光学活性环氧醇衍生物的方法
    • US07582781B2
    • 2009-09-01
    • US10563635
    • 2004-07-05
    • Kazumi OkuroTatsuyoshi TanakaMasaru MitsudaKenji Inoue
    • Kazumi OkuroTatsuyoshi TanakaMasaru MitsudaKenji Inoue
    • C07D301/24C07D301/26C07D405/06C07C33/26C07C69/353C07F7/04
    • C07C67/29C07B2200/07C07C29/10C07D301/24C07C33/46
    • The present invention provides an industrially safe, easily operable process for producing an optically active epoxy alcohol derivative useful as an intermediate for pharmaceuticals from inexpensively available materials, and also provides a novel halohydrin derivative serving as an important intermediate for the epoxy alcohol derivative. Furthermore, the present invention provides a process for producing an intermediate for a triazole antifungal agent by allowing a halohydrin to react with a triazole sulfonamide, the process including a small number of steps. A process for producing an optically active epoxy alcohol derivative includes allowing an optically active α-substituted propionate derivative to react with a haloacetic acid derivative in the presence of a base to prepare an optically active haloketone derivative, allowing the resulting haloketone derivative to react with an aryl metal compound to stereoselectively prepare a halohydrin derivative, eliminating a substituent for the hydroxy group of the halohydrin derivative, and performing epoxidation with a base. Furthermore, a process for producing an intermediate for a triazole antifungal agent includes allowing a halohydrin derivative to react with a triazole sulfonamide, the process including a small number of steps.
    • 本发明提供了一种工业上安全,易于操作的方法,用于制备用作药物的廉价可得材料的中间体的光学活性环氧醇衍生物,并且还提供了作为环氧醇衍生物的重要中间体的新型卤代醇衍生物。 此外,本发明提供了通过使卤代醇与三唑磺酰胺反应来制备三唑抗真菌剂的中间体的方法,该方法包括少量的步骤。 制备光学活性环氧醇衍生物的方法包括使光学活性的α-取代的丙酸酯衍生物与卤代乙酸衍生物在碱的存在下反应以制备光学活性的卤代酮衍生物,使所得到的卤代酮衍生物与 芳基金属化合物立体选择性地制备卤代醇衍生物,除去卤代醇衍生物的羟基的取代基,并用碱进行环氧化。 此外,制备三唑抗真菌剂中间体的方法包括使卤代醇衍生物与三唑磺酰胺反应,该方法包括少量步骤。