Method for producing organic alkyne compounds
    37.
    发明申请
    Method for producing organic alkyne compounds 审中-公开
    有机炔化合物的制备方法

    公开(公告)号:US20050178650A1

    公开(公告)日:2005-08-18

    申请号:US10511761

    申请日:2003-04-25

    CPC分类号: C07C2/861

    摘要: The invention relates to a method for producing organic alkyne compounds of formula (I), X—C═C—Y According to said method, organic halogen compounds of formula (Ia), X-Hal, are reacted with organic terminal alkyne compounds of formula (Ib), H—C═C—Y, X and Y representing the same or different organic radicals and Hal representing chlorine or bromine, in inert solvents under the action of microwave radiation, in the presence of at least one metallic compound and at least one base.

    摘要翻译: 本发明涉及一种制备式(I)的有机炔化合物的方法,XCCY根据所述方法,式(Ia)的有机卤素化合物,X-Hal与式(Ib)的有机末端炔化合物,HCCY 在微波辐射的作用下,在至少一种金属化合物和至少一种碱的存在下,在惰性溶剂中代表相同或不同的有机基团和Hal代表氯或溴。

    Substituted 2-(benzoaryl)pyridines
    39.
    发明授权
    Substituted 2-(benzoaryl)pyridines 失效
    取代的2-(苯甲酰基)吡啶

    公开(公告)号:US06383986B1

    公开(公告)日:2002-05-07

    申请号:US09462583

    申请日:2000-01-11

    IPC分类号: A01N4340

    摘要: 2-(Benzaryl)pyridines I and salts thereof where n=zero, 1; R1=H, CN, NO2, NH2, OH, SH, SO2—OH, SO2—Cl, SO2—NH2, halogen, optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl; R2, R3=H, halogen; R4=CN, OH, halogen, alkoxy or optionally substituted benzyloxy; X=—Y—C(ZR5)═N— where the nitrogen is attached to &agr; or &bgr; and Y=—O—, —S—, —N(R6)—; Z=a chemical bond, —O—, —S—, —S(O)—, —SO2—, —N(R7)—; R5, R6, R7=H, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or 3- to 7-membered heterocyclyl; or R5=H, CN, SH, NH2, halogen, —CH2—CH(halogen)-R8, —CH═CH—R8 or —CH═C(halogen)-R8 (R8=COOH, alkoxycarbonyl, alkylthiocarbonyl, CONH2, alkylaminocarbonyl or dialkylaminocarbonyl), when Z=a chemical bond; or R5+R7=1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene. Use: as herbicides, desiccants or defoliants.

    摘要翻译: 2-(苯甲基)吡啶I及其盐,其中n = 0,1; R 1 = H,CN,NO 2,NH 2,OH,SH,SO 2 -OH,SO 2 -Cl,SO 2 -NH 2,卤素,任选卤代烷基,烷氧基,烷硫基 ,烷基亚磺酰基,烷基磺酰基,烷基氨基磺酰基,二烷基氨基磺酰基; R2,R3 = H,卤素; R4 = CN,OH,卤素,烷氧基或任选取代的苄氧基; X = -YC(ZR5)= N-,其中氮连接到α或β 且Y = -O - , - S - , - N(R 6) - ; Z =化学键,-O - , - S - , - S(O) - , - SO 2 - , - N(R 7) R5,R6,R7 = H,任选取代的烷基,烯基,炔基,环烷基,苯基或3-至7-元杂环基; 或R 5 = H,CN,SH,NH 2,卤素,-CH 2 -CH(卤素)-R 8,-CH = CH-R 8或-CH = C(卤素)-R 8(R 8 = COOH,烷氧基羰基,烷硫基羰基,CONH 2,烷基氨基羰基 或二烷基氨基羰基),当Z =化学键时; 或R 5 + R 7 = 1,3-丙烯,四亚甲基,五亚甲基或亚乙基氧乙烯。使用:作为除草剂,干燥剂或脱叶剂。