Process for the preparation of O-substituted hydroxylammonium salts
    2.
    发明授权
    Process for the preparation of O-substituted hydroxylammonium salts 失效
    制备O-取代羟基铵盐的方法

    公开(公告)号:US5585520A

    公开(公告)日:1996-12-17

    申请号:US592351

    申请日:1996-01-11

    IPC分类号: C07C239/20 C07C213/00

    CPC分类号: C07C239/20

    摘要: Preparation of O-substituted hydroxylammonium salts IR.sup.1 --CHX--O--NH.sub.2.HL (I)(L=halogen, hydrogensulfate; X=H, alkyl; R.sup.1 =unsubst. or subst. phenyl, thienyl, furanyl, pyrrolyl or --CR.sup.2 .dbd.CR.sup.3 R.sup.4 ; R.sup.2, R.sup.3, R.sup.4 =H, halogen or alkyl) by reaction of an acetone oxime O-allyl or --O--benzyl ether II ##STR1## with water and a mineral acid H--L with continuous removal of the acetone formed in this process, by carrying out the hydrolysis batchwise at 0.degree.-50.degree. C. and under a pressure of 10-500 mbar is described.The O-substituted hydroxylammonium salts I are intermediates for plant protection agents and pharmaceuticals.

    摘要翻译: PCT No.PCT / EP94 / 02239 Sec。 371日期1996年1月11日 102(e)日期1996年1月11日PCT提交1994年7月8日PCT公布。 第WO95 / 04032号公报。 日期:1995年2月9日O-取代羟基铵盐IR1-CHX-O-NH2HL(I)(L =卤素,硫酸氢盐; X = H,烷基; R1 =未取代的苯基,噻吩基,呋喃基, 吡咯基或-CR2 = CR3R4; R2,R3,R4 = H,卤素或烷基),通过丙酮肟O-烯丙基或-O-苄基醚II(II)与水和无机酸HL与连续 描述了在该方法中形成的丙酮的去除方法,在0-50℃和10-500mbar的压力下间歇地进行水解。 O-取代的羟基铵盐I是植物保护剂和药物的中间体。

    Derivatives of beta-picoline and crop protection agents containing them
    6.
    发明授权
    Derivatives of beta-picoline and crop protection agents containing them 失效
    β-PICOLINE和作物保护剂含有它们的衍生物

    公开(公告)号:US5162329A

    公开(公告)日:1992-11-10

    申请号:US704938

    申请日:1991-05-23

    摘要: .beta.-picoline derivatives of the formula ##STR1## where A is CR.sup.1 R.sup.2, R.sup.1 and R.sup.2 independently of each other are hydrogen, alkyl, alkenyl or alkynyl, or R.sup.1 and R.sup.2 together form a methylene chain,B is one of the groups CH.sub.2, CHOR.sup.3, CHalR.sup.4, C.dbd.O or C.dbd.N-O-R.sup.5, R.sup.3 being hydrogen, alkyl, haloalkyl, cycloalkyl, alkenyl, acyl, phenyl, benzyl or benzoyl, where the phenyl ring is substituted or unsubstituted, R.sup.4 being hydrogen, fluorine, chlorine, bromine or iodine, R.sup.5 being hydrogen, alkyl, haloalkyl, cycloalkyl, alkenyl, phenyl or benzyl, the phenyl ring being substituted or unsubstituted,Ar is a substituted or unsubstituted aryl radical,their N-oxides and plant-tolerated acid addition salts, and fungicides containing these compounds.

    摘要翻译: 其中A为CR 1 R 2,R 1和R 2彼此独立地为氢,烷基,烯基或炔基,或者R 1和R 2一起形成亚甲基链,B为基团CH 2,CHOR 3之一 CH 2 R 4,C = O或C = NO-R 5,R 3为氢,烷基,卤代烷基,环烷基,烯基,酰基,苯基,苄基或苯甲酰基,其中苯环为取代或未取代的,R4为氢,氟,氯, 溴或碘,R 5为氢,烷基,卤代烷基,环烷基,烯基,苯基或苄基,苯环为取代或未取代的,Ar为取代或未取代的芳基,其N-氧化物和植物耐受酸加成盐, 含有这些化合物的杀真菌剂。

    Preparation of O-substituted hydroxylammonium salts
    10.
    发明授权
    Preparation of O-substituted hydroxylammonium salts 失效
    O-取代羟基铵盐的制备

    公开(公告)号:US5557013A

    公开(公告)日:1996-09-17

    申请号:US545227

    申请日:1995-10-19

    摘要: Preparation of O-substituted hydroxylammonium salts of the formula IH.sub.2 NOR x HX Iwhere R is a C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.6 -alkenyl radical, each of which may be halogen-substituted, and X is chlorine or bromine, by reacting in an integrated process, without isolation of intermediatesa) acetone with hydroxylammonium sulfate and sodium hydroxide solution to give acetone oxime;b) treating the solution of acetone oxime thus obtained with sodium hydroxide solution and completely removing water,c) reacting the suspension of the acetone oxime Na salt thus obtained with alkylating agents at from 0.5 to 15 bar and at up to 140.degree. C. to give acetone oxime ethers; andd) cleaving the acetone oxime ethers with acids HX to give the products I,a homogeneous, nonpolar aprotic solvent being used in all process steps a) to d).

    摘要翻译: 式I的O-取代羟铵盐的制备H 2 NOR x HXI其中R是C1-C6烷基或C2-C6-烯基,其各自可以被卤素取代,X是氯或溴,通过在 一体化方法,不分离中间体a)丙酮与硫酸羟铵和氢氧化钠溶液得到丙酮肟; b)用氢氧化钠溶液处理由此获得的丙酮肟溶液并完全除去水,c)使得到的丙酮肟钠盐与烷基化剂的悬浮液在0.5至15巴和至多140℃下反应至 给予丙酮肟醚; 和d)用酸HX裂解丙酮肟醚以产生产物I,所有方法步骤a)至d)中使用均匀的非极性非质子溶剂。