Process for the production of isothiocyanate derivatives
    1.
    发明授权
    Process for the production of isothiocyanate derivatives 失效
    异硫氰酸酯衍生物的制备方法

    公开(公告)号:US4659853A

    公开(公告)日:1987-04-21

    申请号:US821297

    申请日:1986-01-22

    CPC分类号: C07C335/02

    摘要: Derivatives of alkoxy, aryloxy and alkene isothiocyanates are produced by the reaction of a haloformate, an alkali, alkaline earth metal, lead or ammonium thiocyanate and a compound having the formula R.sup.1 YH wherein R.sup.1 is alkyl, aryl or alkoxy, Y is oxygen, sulfur or NR.sup.2 and R.sup.2 is hydrogen or R.sup.1, in the presence of a solvent or water and a catalyst.

    摘要翻译: 烷氧基,芳氧基和烯烃异硫氰酸酯的衍生物通过卤代甲酸酯,碱金属,碱土金属,硫氰酸铅或硫氰酸铵与具有式R1YH的化合物的反应产生,其中R 1是烷基,芳基或烷氧基,Y是氧,硫或 NR 2和R 2是氢或R 1,在溶剂或水和催化剂的存在下。

    Process for the preparation of thiocarbamates
    2.
    发明授权
    Process for the preparation of thiocarbamates 失效
    硫代氨基甲酸酯的制备方法

    公开(公告)号:US4617416A

    公开(公告)日:1986-10-14

    申请号:US713603

    申请日:1985-03-19

    CPC分类号: C07C333/02

    摘要: There is disclosed a process for the preparation of thiocarbamates having the following general formula: ##STR1## wherein: R represents alkyl C.sub.1 -C.sub.4 optionally substituted with one or more halogen atoms, alkenyl C.sub.2 -C.sub.4 optionally substituted with one or more halogen atoms, phenyl optionally substituted with one or more halogen atoms, benzyl optionally substituted with one or more halogen atoms on the phenyl ring;R.sup.1 and R.sup.2, equal or different from one another, represent alkyl C.sub.1 -C.sub.4 or cycloalkyl;consisting in reacting organic dithiocarbonates with organic carbamoyl halides, in the presence of an aqueous solution of an inorganic base and a phase transfer catalyst, at a temperature of 10.degree. to 50.degree. C. for time periods of 5 to 10 hours.The thiocarbamates obtained are used as herbicides, fungicides, etc., and in general in various fields of "fine chemicals".

    摘要翻译: 公开了制备具有以下通式的硫代氨基甲酸酯的方法:其中:R表示任选被一个或多个卤素原子取代的C 1 -C 4烷基,任选被一个或多个卤素原子取代的烯基C 2 -C 4,苯基 任选地被一个或多个卤素原子取代,苯基上任选被一个或多个卤素原子取代的苄基; R1和R2彼此相同或不同,表示烷基C1-C4或环烷基; 在有机二硫代碳酸酯与有机氨基甲酰卤反应的条件下,在无机碱和相转移催化剂的水溶液存在下,在10〜50℃的温度下反应5〜10小时。 所得的硫代氨基甲酸酯用作除草剂,杀真菌剂等,一般用于“精细化学品”的各个领域。

    N-Alkoxycarbonyl- and N-alkoxythiocarbonyl-amidines and their preparation
    3.
    发明授权
    N-Alkoxycarbonyl- and N-alkoxythiocarbonyl-amidines and their preparation 失效
    N-烷氧基羰基 - 和N-烷氧基硫代羰基 - 脒及其制备方法

    公开(公告)号:US4522763A

    公开(公告)日:1985-06-11

    申请号:US398421

    申请日:1982-07-14

    申请人: Gerhard Hamprecht

    发明人: Gerhard Hamprecht

    CPC分类号: C07C269/04 C07C271/64

    摘要: Novel N-alkoxycarbonyl- and N-alkoxythiocarbonyl-amidines and a process for the preparation of alkoxycarbonyl- and alkoxythiocarbonyl- amidines by reacting an amidine with an ester of chlorocarbonic acid or chlorothiocarbonic acid in the presence of an inorganic acid acceptor and a 2-phase aqueous/organic solvent mixture at from 0.degree. to 60.degree.0 C.The novel end products which can be prepared by this process are useful starting materials for crop protection agents, and can be used in particular for the preparation of novel, selective herbicides.

    摘要翻译: 新的N-烷氧基羰基 - 和N-烷氧基硫代羰基 - 脒,以及通过在无机酸受体和2相存在下使脒与氯代碳酸或氯代硫代碳酸的酯反应制备烷氧基羰基 - 和烷氧基硫代羰基 - 脒的方法 水/有机溶剂混合物,0至60℃。可通过该方法制备的新型最终产物是用于作物保护剂的起始材料,可用于制备新颖的选择性除草剂。

    Synthesizing thiocarbamic acid esters
    4.
    发明授权
    Synthesizing thiocarbamic acid esters 失效
    合成硫代氨基甲酸酯

    公开(公告)号:US4497739A

    公开(公告)日:1985-02-05

    申请号:US463553

    申请日:1983-02-03

    CPC分类号: C07D295/21

    摘要: A process for the synthesis of thiocarbamic acid esters by reacting amine compounds having a general formula ##STR1## wherein A is an arylene radical, simple or substituted by halogens hydrocarbon radicals, alkoxy groups, or can be an alkylene radical having from 1 to 15 carbon atoms, straight-line or branched, simple or substituted, whereas X can be hydrogen --NH.sub.2 or can be an H.sub.2 --N--Z group in which the bivalent function Z derives from alkyl, aryl, cycloaryl, alkaryl, aralkyl radicals which can be, in their turn, simple or substituted, R and R' equal or different can be hydrogen or alkyl, aryl, alkaryl radicals and otherwise, with carbon monoxide, in the presence of a catalyst composed of a metallic selenide. The thiocarbamic acid esters are known compounds that find applications as medicaments for plants and as intermediates for organic synthesis.

    摘要翻译: 通过使具有通式为“IMAGE”的胺化合物反应合成硫代氨基甲酸酯的方法,其中A是亚芳基,其简单或被卤素烃基,烷氧基取代,或者可以是具有1至15个碳原子的亚烷基 原子,直链或支链,简单或取代的,而X可以是氢-NH 2或可以是其中二价官能团Z衍生自烷基,芳基,环芳基,烷芳基,芳烷基的H 2 - NZ基团,其可以是, 它们的简单或取代的R和R'可以相同或不同,在由金属硒化物组成的催化剂的存在下,可以是氢或烷基,芳基,烷芳基等。 硫代氨基甲酸酯是已知的化合物,其可用作植物的药物和作为有机合成的中间体。

    Process for the preparation of N-allyl-O-alkyl thionocarbamates
    5.
    发明授权
    Process for the preparation of N-allyl-O-alkyl thionocarbamates 失效
    制备N-烯丙基-O-烷基硫代碳酸氢盐的方法

    公开(公告)号:US4479903A

    公开(公告)日:1984-10-30

    申请号:US410687

    申请日:1982-08-23

    IPC分类号: C07C333/02 C07C155/02

    CPC分类号: C07C333/02

    摘要: A process for the preparation of N-allyl-O-alkyl thionocarbamates is disclosed which comprises reacting in an aqueous solvent and in the presence of a phase transfer catalyst a thiocyanate salt, and an allyl halide to form an allyl isothiocyanate and then reacting said allyl isothiocyanate in the presence of certain catalysts with an alcohol.

    摘要翻译: 公开了制备N-烯丙基-O-烷基硫羰基化物的方法,其包括在水性溶剂中和在相转移催化剂存在下,硫氰酸盐和烯丙基卤反应形成烯丙基异硫氰酸酯,然后使所述烯丙基 在某些具有醇的催化剂存在下,异硫氰酸酯。

    Process for the preparation of N-allyl-O-alkyl thionocarbamates
    6.
    发明授权
    Process for the preparation of N-allyl-O-alkyl thionocarbamates 失效
    制备N-烯丙基-O-烷基硫代碳酸氢盐的方法

    公开(公告)号:US4456560A

    公开(公告)日:1984-06-26

    申请号:US410773

    申请日:1982-08-23

    IPC分类号: C07C333/02 C07C155/02

    CPC分类号: C07C333/02

    摘要: An improvement in the process for the preparation of N-allyl-O-alkyl thionocarbamates by the reaction of an allyl isothiocyanate with an alcohol is disclosed which comprises the use of a catalyst of the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are individually selected from alkyl or aryl or a mixture thereof, M represents a metal from Group III B, IV B, or V B of the Periodic Table of the Elements, and n is the integer 0 or 1; provided that the sum of n.sub.1, n.sub.2, n.sub.3, n.sub.4, and n.sub.5 equals the valance of said metal M.

    摘要翻译: 公开了通过异硫氰酸烯丙酯与醇的反应制备N-烯丙基-O-烷基硫代碳酸氢盐的方法的改进,其包括使用下列通式的催化剂:其中R1,R2,R3 ,R4和R5分别选自烷基或芳基或其混合物,M表示元素周期表的IIIB,IVB或VB族的金属,n为0或1的整数; 条件是n1,n2,n3,n4和n5的和等于所述金属M的化合价。

    Preparation of thionamide compounds by sulfuration of imines
    9.
    发明授权
    Preparation of thionamide compounds by sulfuration of imines 失效
    通过亚胺硫化制备硫酰胺化合物

    公开(公告)号:US4348523A

    公开(公告)日:1982-09-07

    申请号:US184924

    申请日:1980-09-08

    CPC分类号: C07D295/13

    摘要: Useful thionamide compounds are prepared by reacting sulfur with imines of the structural formula: ##STR1## where R is an alkyl group of 1 to 18 carbon atoms and is other than a phenyl or cyclohexyl group, R.sub.1 and R.sub.2 are alkyl or phenyl groups of 1 to 18 carbon atoms, and R.sub.3 is a phenyl group of 6 to 18 carbon atoms or is hydrogen, in the presence of a diol or triol compound. The total number of carbons in R, R.sub.1, R.sub.2, and R.sub.3 does not exceed 36 in number.

    摘要翻译: 有用的硫代酰胺化合物是通过使硫与结构式为的亚胺反应来制备的:其中R是1至18个碳原子的烷基,而不是苯基或环己基,R1和R2是烷基或苯基的1 至18个碳原子,并且R 3是6至18个碳原子的苯基或者是氢,在二醇或三醇化合物的存在下。 R,R1,R2和R3中碳的总数不超过36个。