Method for controlling mites and thioureidobenzene phosphates
    3.
    发明授权
    Method for controlling mites and thioureidobenzene phosphates 失效
    控制螨虫和硫脲基苯磷酸盐的方法

    公开(公告)号:US3961049A

    公开(公告)日:1976-06-01

    申请号:US540227

    申请日:1975-01-10

    IPC分类号: A01N57/14 C07F9/165 A01N9/36

    CPC分类号: C07F9/1651 A01N57/14

    摘要: Novel thioureidobenzene compounds having the general formula ##EQU1## wherein R and R' are lower alkyl groups and X is oxygen or sulfur atom is prepared by reacting a compound having the general formula ##EQU2## wherein Y is chlorine or bromine, with a compound having the general formula ##EQU3## wherein M is ammonium or an alkali metal. These compounds have high miticidal and fungicidal activity.

    摘要翻译: 具有通式OX的新型硫脲基苯化合物通过使具有通式O平行* NHCCH 2Y的化合物反应来制备其中R和R'是低级烷基且X是氧或硫原子的NHCNHOR'并行对偶 具有通式X | MSP(OR)2的化合物,其中M是铵或碱金属,其中Y是氯或溴,NHCNHCOR' 这些化合物具有高杀螨和杀真菌活性。

    Process for producing L-ascorbic acid-2-sulfate
    4.
    发明授权
    Process for producing L-ascorbic acid-2-sulfate 失效
    生产L-抗坏血酸-2-硫酸盐的方法

    公开(公告)号:US4070377A

    公开(公告)日:1978-01-24

    申请号:US711409

    申请日:1976-08-03

    IPC分类号: C07D307/62 C07D307/32

    CPC分类号: C07D307/62

    摘要: A process for producing a mono- or di-alkali metal salt or alkaline earth metal salt of L-ascorbic acid-2-sulfate which comprises reacting L-ascorbic acid in which the 5 and 6 positions are protected by a ketone or aldehyde, with dimethyl formamide-sulfur trioxide complex, and neutralizing the product with an alkali metal hydroxide or an alkaline earth metal hydroxide, and removing said protecting aldehyde or ketone at 5-and 6-positions.

    摘要翻译: 一种制备L-抗坏血酸-2-硫酸盐的单碱金属盐或二碱金属盐或碱土金属盐的方法,其包括将其中5和6位被酮或醛保护的L-抗坏血酸与 二甲基甲酰胺 - 三氧化硫复合物,并用碱金属氢氧化物或碱土金属氢氧化物中和产物,并在5-和6-位除去所述保护醛或酮。

    Process for producing l-ascorbic acid-2-sulfate
    7.
    发明授权
    Process for producing l-ascorbic acid-2-sulfate 失效
    生产1-抗坏血酸-2-硫酸盐的方法

    公开(公告)号:US4071534A

    公开(公告)日:1978-01-31

    申请号:US711410

    申请日:1976-08-03

    IPC分类号: C07D307/62

    CPC分类号: C07D307/62

    摘要: A process for producing a mono- or di-alkali metal salt or alkaline earth metal salt of L-ascorbic acid-2-sulfate which comprises reacting L-ascorbic acid in which the 5 and 6 positions are protected by a ketone or aldehyde, with dimethyl formamide-sulfur trioxide complex, which is produced by a reaction of dimethyl formamide with chlorosulfonic acid and a dehydrohalogenating agent such as pyridine, triethylamine, dimethyl aniline, which is a tertiary amine so as to produce a sulfate, and neutralizing the product with an alkali metal hydroxide or an alkaline earth metal hydroxide, and removing said protecting aldehyde or ketone at 5- and 6-positions.

    摘要翻译: 一种制备L-抗坏血酸-2-硫酸盐的单碱金属盐或二碱金属盐或碱土金属盐的方法,其包括将其中5和6位被酮或醛保护的L-抗坏血酸与 二甲基甲酰胺 - 三氧化硫络合物,其通过二甲基甲酰胺与氯磺酸的反应和脱卤化氢剂如吡啶,三乙胺,二甲基苯胺(其是叔胺)反应生成硫酸盐,并用 碱金属氢氧化物或碱土金属氢氧化物,并在5-和6-位除去所述保护醛或酮。