Derivatives of beta-picoline and crop protection agents containing them
    31.
    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

    Abstract: .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.

    Abstract translation: 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 vinyl ethers
    33.
    发明授权
    Preparation of vinyl ethers 失效
    乙烯的制备

    公开(公告)号:US5130435A

    公开(公告)日:1992-07-14

    申请号:US565180

    申请日:1990-08-09

    CPC classification number: C07C41/28 Y02P20/582

    Abstract: Vinyl ethers of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are identical to or different from one another, each being hydrogen, straight-chain or branched alkyl or alkenyl of up to 12 carbon atoms, cycloalkyl or cycloalkylene of from 5 to 8 carbon atoms, aryl, alkylaryl, alkenylaryl, aralkyl and aralkenyl of from 6 to 16 carbon atoms, halogen-substituted aryl or heterocyclyl, and in addition the radicals R.sup.1 and R.sup.2 or R.sup.1 and R.sup.3, together with the carbon atom to which they are bonded, can form a cycloalkane, cycloalkene or a heterocycle, and R.sup.4 is alkyl, alkylaryl or aralkyl, are prepared by eliminating an alcohol from an acetal/ketal of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined above, in the presence of a phosphate of zeolite structure and/or a precipitated phosphate of the elements B, Zr, Ce or Fe and/or phosphoric acid or boric acid on carrier material and/or acidic undoped metal oxide as catalyst, the reaction being preferably carried out in the gas phase.

    Abstract translation: 式中,R 1,R 2和R 3彼此相同或不同的乙烯基醚,各自为氢,直至12个碳原子的直链或支链烷基或烯基,5至8的环烷基或亚环烷基 碳原子,芳基,烷基芳基,烯基芳基,芳烷基和具有6至16个碳原子的芳烯基,卤素取代的芳基或杂环基,此外基团R 1和R 2或R 1和R 3与它们所键合的碳原子一起 可以形成环烷烃,环烯烃或杂环,并且R 4是烷基,烷基芳基或芳烷基,通过从式(I)的缩醛/缩酮中除去醇来制备,其中R 1,R 2,R 3和R 4各自如上所定义 在载体材料和/或酸性未掺杂的金属氧化物作为催化剂的沸石结构的磷酸盐和/或元素B,Zr,Ce或Fe和/或磷酸或硼酸的沉淀磷酸盐存在下,反应为 优选在气相中进行。

    Preparation of vinyl ethers
    39.
    发明授权
    Preparation of vinyl ethers 失效
    乙烯基醚的制备

    公开(公告)号:US4891451A

    公开(公告)日:1990-01-02

    申请号:US213589

    申请日:1988-06-30

    CPC classification number: C07C41/28 C07C2101/14 Y02P20/582

    Abstract: Vinyl ethers of the formula (I) ##STR1## where R.sup.1 to R.sup.3 are identical or different and are each hydrogen, a straight-chain or branched alkyl or alkenyl radical of not more than 12 carbon atoms, halogen-substituted alkyl, a cycloalkyl or cycloalkenyl radical of 5 to 8 carbon atoms, an aryl, alkylaryl, alkenylaryl, aralkyl or aralkenyl radical of 6 to 16 carbon atoms, halogen-substituted aryl or a heterocyclic radical and furthermore R.sup.1 and R.sup.2 or R.sup.1 and R.sup.3, together with the carbon atom to which they are bonded, may form a cycloalkane, cycloalkene or heterocyclic structure, and R.sup.4 is alkyl, alkylaryl or aralkyl, are prepared by a process in which an alcohol is eliminated from an acetal or ketal of the formula (II) ##STR2## where R.sup.1 to R.sup.4 have the above meanings, in the presence of borosilicate and/or iron silicate zeolites as catalysts.

    Abstract translation: 式(I)的乙烯基醚其中R 1至R 3相同或不同并且各自为氢,不超过12个碳原子的直链或支链烷基或烯基,卤素取代的烷基, 5至8个碳原子的环烷基或环烯基,6至16个碳原子的芳基,烷基芳基,烯基芳基,芳烷基或芳烯基,卤素取代的芳基或杂环基,此外R1和R2或R1和R3连同 其键合的碳原子可以通过其中从式(II)的缩醛或缩酮中除去醇的方法制备环烷烃,环烯烃或杂环结构,并且R 4是烷基,烷基芳基或芳烷基, 在有硼硅酸盐和/或铁硅酸盐沸石作为催化剂的情况下,R1至R4具有上述含义的图像(II)。

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