Manufacture of carboxylic acid amides
    1.
    发明授权
    Manufacture of carboxylic acid amides 失效
    羧酸酰胺的制造

    公开(公告)号:US4176137A

    公开(公告)日:1979-11-27

    申请号:US959733

    申请日:1978-11-13

    CPC分类号: C07C231/065

    摘要: A process for the manufacture of carboxylic acid amides by addition reaction of water with nitriles in the presence of a catalyst which contains copper and magnesium silicate and has been treated with a reducing gas, to which catalyst cement of a certain particle size has been admixed. The amides obtainable by the process are starting materials for the manufacture of solvents, flocculants, wetting agents, pesticides, crop protection agents, textile assistants, e.g. brighteners, water repellent agents, foam stabilizers and detergents.

    摘要翻译: 通过在含有铜和硅酸镁的催化剂存在下水与腈的加成反应制备羧酸酰胺的方法,并且已经用一种还原气体处理了一定粒度的催化剂水泥。 可通过该方法获得的酰胺是用于制造溶剂,絮凝剂,润湿剂,杀虫剂,作物保护剂,纺织品助剂的原料。 增白剂,防水剂,泡沫稳定剂和洗涤剂。

    Preparation of butane-1,4-diol
    3.
    发明授权
    Preparation of butane-1,4-diol 失效
    丁烷-1,4-二醇的制备

    公开(公告)号:US4361710A

    公开(公告)日:1982-11-30

    申请号:US347580

    申请日:1982-02-10

    CPC分类号: C07C29/177

    摘要: A process for the preparation of butane-1,4-diol by catalytic hydrogenation of a mixture obtained by treating maleic anhydride with an aliphatic alcohol at elevated temperatures, wherein a monohydric or dihydric aliphatic alcohol of boiling point above 180.degree. C. is used and the mixture of maleic acid and the alcohol is obtained by washing a gaseous reaction mixture, which contains maleic anhydride and is obtained in the catalytic oxidation of hydrocarbons by air, with the alcohol.

    摘要翻译: 通过催化氢化制备丁烷-1,4-二醇的方法,其通过在高温下用脂族醇处理马来酸酐得到的混合物,其中使用沸点高于180℃的一元或二元脂族醇, 马来酸和醇的混合物通过洗涤含有马来酸酐的气态反应混合物而获得,并且通过空气与醇催化氧化烃获得。

    Manufacture of methacrylic acid and butyrolactone
    5.
    发明授权
    Manufacture of methacrylic acid and butyrolactone 失效
    甲基丙烯酸和丁内酯的制造

    公开(公告)号:US3980670A

    公开(公告)日:1976-09-14

    申请号:US552734

    申请日:1975-02-25

    摘要: Methacrylic acid and butyrolactone are manufactured by hydroformylation of allyl esters of lower carboxylic acids in the presence of rhodium catalysts and inert organic solvents, followed by oxidation of the resulting formyl compounds with molecular oxygen (e.g. with air) in the presence of lower fatty acids, without prior removal of the rhodium catalysts, and elimination of the carboxylic acid from the acyloxybutyric acids formed, at from 150.degree. to 500.degree.C, using catalysts such as aluminum oxide, silicates or active charcoal.

    摘要翻译: 甲基丙烯酸和丁内酯是通过在铑催化剂和惰性有机溶剂的存在下将低级羧酸的烯丙酯加氢甲酰化,然后在低级脂肪酸存在下用分子氧(例如与空气)氧化得到的甲酰基化合物来制备的, 没有事先去除铑催化剂,并且使用催化剂如氧化铝,硅酸盐或活性炭,在150℃至500℃下从形成的酰氧基丁酸中除去羧酸。

    Manufacture of pent-3-enoic acid and its alkyl esters
    6.
    发明授权
    Manufacture of pent-3-enoic acid and its alkyl esters 失效
    戊-3-烯酸及其烷基酯的制备

    公开(公告)号:US4550195A

    公开(公告)日:1985-10-29

    申请号:US295088

    申请日:1981-08-21

    CPC分类号: C07C51/14

    摘要: A process for the manufacture of pent-3-enoic acid and its alkyl esters, of the general formulaCH.sub.3 --CH.dbd.CH--CH.sub.2 --CO--ORwhere R is hydrogen or alkyl of 1 to 4 carbon atoms, comprising carbonylating butadiene with carbon monoxide and a compound ROH at from 300 to 1,000 bars CO pressure and from 100.degree. to 160.degree. C. in the presence of cobalt catalysts and nitrogen bases, wherein C.sub.4 cuts are used as starting materials and a tertiary amine having a pK.sub.A of from 3 to 11 is used as the nitrogen base. The pent-3-enoic acid or alkyl esters produced may be used for the manufacture of adipic acid or its alkyl esters, which compounds are starting materials for the manufacture of nylons.

    摘要翻译: 制备通式为CH 3 -CH = CH-CH 2 -CO-OR的戊-3-烯酸及其烷基酯的方法,其中R是氢或1至4个碳原子的烷基,其包括将碳酸丁二烯与碳 在钴催化剂和氮碱的存在下,在300至1,000巴CO压力和100至160℃下进行一氧化碳和化合物ROH,其中使用C4馏分作为起始原料,并使用pKA为3的叔胺 至11为氮基。 所制备的戊-3-烯酸或烷基酯可用于制造己二酸或其烷基酯,该化合物是用于制造尼龙的起始原料。

    Manufacture of propylene oxide
    8.
    发明授权
    Manufacture of propylene oxide 失效
    环氧丙烷的制造

    公开(公告)号:US4158008A

    公开(公告)日:1979-06-12

    申请号:US879514

    申请日:1978-02-21

    IPC分类号: C07D301/02 C07D301/32

    CPC分类号: C07D301/02

    摘要: Propylene oxide is prepared by elimination of acetic acid from propylene glycol monoacetates in the presence of a base. In contrast to the conventional elimination of acetic acid in the gas phase, the present reaction is carried out in the liquid phase in a high-boiling solvent. Because of the smaller reaction space required, the reaction in the liquid phase is simpler.

    摘要翻译: 环氧丙烷通过在碱存在下从丙二醇单乙酸酯中除去乙酸来制备。 与在气相中常规消除乙酸相反,本反应在液相中在高沸点溶剂中进行。 由于需要较小的反应空间,液相中的反应更简单。

    Manufacture of organic isocyanates
    9.
    发明授权
    Manufacture of organic isocyanates 失效
    有机异氰酸酯的制造

    公开(公告)号:US3960916A

    公开(公告)日:1976-06-01

    申请号:US543693

    申请日:1975-01-24

    IPC分类号: C07C263/10 C07C118/02

    CPC分类号: C07C263/10

    摘要: Organic isocyanates are manufactured, in the absence of organic solvents, by reaction of primary organic amines with hydrogen chloride, to give amine hydrochlorides, subsequent phosgenation, and thermal decomposition of the carbamyl chlorides formed as intermediates.

    摘要翻译: 有机异氰酸酯在不存在有机溶剂的情况下通过主要有机胺与氯化氢的反应来制备,得到胺盐酸盐,随后的光气化和作为中间体形成的氨基甲酰氯的热分解。