Process for the production of 3-aminoisoxazoles
    5.
    发明授权
    Process for the production of 3-aminoisoxazoles 失效
    生产3-氨基异恶唑的方法

    公开(公告)号:US4200757A

    公开(公告)日:1980-04-29

    申请号:US912252

    申请日:1978-06-05

    IPC分类号: C07D261/14 C07D261/08

    CPC分类号: C07D261/14

    摘要: 3-Aminoisoxazoles of the formula: ##STR1## (wherein R is C.sub.1 -C.sub.6 alkyl, phenyl or halo-phenyl) are prepared by reacting a .beta.-ketonitrile of the formula:R--CO--CH.sub.2 CN(wherein R is as defined above) with a compound of the formula:HY(wherein Y is C.sub.1 -C.sub.6 alkoxy or C.sub.1 -C.sub.6 alkylthio) in the presence of an acid in a solvent to give an iminium salt of the formula: ##STR2## (wherein X is the residue of said acid; R and Y are each as defined above) and further reacting the iminium salt with hydroxylamine in an inert solvent.

    摘要翻译: 下式的3-氨基异恶唑:其中R为C1-C6烷基,苯基或卤素 - 苯基)是通过使下式所示的β-甲酯与下式反应来制备的:式中R-CO-CH 2 CN(其中R如上定义) 与下式的化合物HY(其中Y是C 1 -C 6烷氧基或C 1 -C 6烷硫基)在酸的存在下在溶剂中反应,得到下式的亚铵盐:其中X是 所述酸; R和Y各自如上所定义),并进一步使亚胺盐与羟胺在惰性溶剂中反应。

    Process for the production of urea derivatives
    6.
    发明授权
    Process for the production of urea derivatives 失效
    尿素衍生物生产工艺

    公开(公告)号:US4183856A

    公开(公告)日:1980-01-15

    申请号:US895105

    申请日:1978-04-10

    摘要: Urea derivatives of the formula ##STR1## (wherein Ar represents a residue of 5- or 6-membered heteroaromatic ring; R represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group; R.sup.1 represents a C.sub.1 -C.sub.6 alkyl group; and R.sup.2 represents a C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, or C.sub.1 -C.sub.6 alkoxy group) are produced by reacting an amine of the formulaAr--NH--R(wherein Ar and R have the significance given above) with a carbamoyl halogenide of the formula ##STR2## (wherein X represents a halogen atom, and R.sup.1 and R.sup.2 have the significance given above) in the presence of a Lewis acid in an inert solvent.

    摘要翻译: 下式的脲衍生物(其中Ar表示5或6元杂芳环的残基; R表示氢原子或C1-C6烷基; R1表示C1-C6烷基; R2表示 C 1 -C 6烷基,C 2 -C 6烯基或C 1 -C 6烷氧基)通过使式Ar-NH-R(其中Ar和R具有上述含义)具有下式的氨基甲酰卤化物: 图像(其中X表示卤原子,R1和R2具有上述含义)在路易斯酸存在下在惰性溶剂中反应。

    Process for producing alkoxyiminoacetamide derivatives
    8.
    发明授权
    Process for producing alkoxyiminoacetamide derivatives 失效
    制备烷氧基亚氨基乙酰胺衍生物的方法

    公开(公告)号:US6037495A

    公开(公告)日:2000-03-14

    申请号:US793453

    申请日:1997-02-26

    摘要: A process for producing a compound of the formula (I): ##STR1## wherein R is hydrogen or an alkyl group, and R.sup.3 and R.sup.4 are hydrogen or an alkyl group, which comprises reacting a compound of the formula (II): ##STR2## wherein R.sup.1 is an optionally substituted alkyl group or an optionally substituted phenyl group, with a compound of the formula (III):HNR.sup.3 R.sup.4 (III)wherein each symbol is as defined above, and optionally alkylating the resulting compound. Intermediates for this process are also provided.

    摘要翻译: PCT No.PCT / JP95 / 01716 Sec。 371日期1997年2月26日 102(e)日期1997年2月26日PCT提交1995年8月30日PCT公布。 出版物WO96 / 07635 日期:1996年3月14日制备式(I)化合物的方法:其中R是氢或烷基,R3和R4是氢或烷基,其包括使式(II)化合物: 其中R 1是任选取代的烷基或任选取代的苯基,与式(III)的化合物:HNR 3 R 4(III),其中每个符号如上所定义,并任选地烷基化所得化合物。 还提供了此过程的中间体。

    Process for producing alpha-ketoamide derivative
    10.
    发明授权
    Process for producing alpha-ketoamide derivative 失效
    生产α-酮酰胺衍生物的方法

    公开(公告)号:US5414122A

    公开(公告)日:1995-05-09

    申请号:US107032

    申请日:1993-08-17

    CPC分类号: C07C231/10

    摘要: There is disclosed an efficient process for producing .alpha.-ketoacetamide of the formula: ##STR1## which is useful as an intermediate for the production of various alkoxyiminoacetamide compounds to be used for agricultural fungicides. In this process, a corresponding acid halide is condensed with isocyanide to produce the .alpha.-ketoacetamide.

    摘要翻译: 公开了一种制备下式的α-酮乙酰胺的有效方法:< IMAGE>其可用作制备用于农用杀真菌剂的各种烷氧基亚氨基乙酰胺化合物的中间体。 在该方法中,将相应的酰卤与异氰化物缩合以产生α-酮乙酰胺。