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公开(公告)号:US4059589A
公开(公告)日:1977-11-22
申请号:US488233
申请日:1974-07-12
IPC分类号: C07D295/08 , C07C67/00 , C07C231/00 , C07C231/02 , C07C233/03 , C07C233/05 , C07D211/32 , C07D233/20 , C07D239/10 , C07D239/74 , C07D277/04 , C07D277/06 , C07D277/20 , C07D277/44 , C07D277/46 , C07D277/60 , C07D295/10 , C07D295/18 , C07D295/182
CPC分类号: C07D277/60 , C07D277/06 , C07D277/46 , C07D295/18 , C07D295/182
摘要: Organic basic nitrogen compounds are formylated in the presence of acetic anhydride by adding the nitrogen compound as a salt and carrying out the formylation with an alkali or ammonium formate in an organic solvent having limited miscibility with water.
摘要翻译: 有机碱性氮化合物在乙酸酐的存在下通过加入氮化合物作为盐进行甲酰化,并在与水的混溶性有限的有机溶剂中用碱或甲酸铵进行甲酰化反应。
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公开(公告)号:US3946069A
公开(公告)日:1976-03-23
申请号:US317403
申请日:1972-12-20
申请人: Friedrich Asinger , Wolf Dieter Pfeifer , Heribert Offermanns , Paul Scherberich , Gerd Schreyer
发明人: Friedrich Asinger , Wolf Dieter Pfeifer , Heribert Offermanns , Paul Scherberich , Gerd Schreyer
IPC分类号: C07C319/02 , C07C67/00 , C07C313/00 , C07C323/43 , C07C323/58 , C07D277/06 , C07D277/12 , C07D277/60 , C07C148/00 , C07C149/243 , C07C149/26
CPC分类号: C07D277/60 , C07D277/06
摘要: Penicillamine or a homolog thereof is obtained by reacting a 2-disubstituted-5,5-alkyl-thiazolidine nitrile, alkyl having 1 to 6 carbon atoms, with a mineral acid in a two-stage proceeding wherein in the first stage relatively low temperatures and a relatively high concentration of the mineral acid are employed while in the second stage the concentration of the acid is relatively low and the temperatures are relatively high, the term "relatively" referring to the relationship of said two stages of the reaction with mineral acid.
摘要翻译: 青霉胺或其同系物通过2-二取代-5,5-烷基 - 噻唑烷腈,具有1至6个碳原子的烷基与无机酸反应获得,该方法在两阶段进行,其中在第一阶段相对低温和 使用相对高浓度的无机酸,而在第二阶段酸的浓度相对较低并且温度相对较高,术语“相对”是指反应两个阶段与无机酸的关系。
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公开(公告)号:US4061674A
公开(公告)日:1977-12-06
申请号:US657605
申请日:1976-02-12
申请人: Friedrich Asinger , Wolf-Dieter Pfeifer , Heribert Offermanns , Paul Scherberich , Gerd Schreyer
发明人: Friedrich Asinger , Wolf-Dieter Pfeifer , Heribert Offermanns , Paul Scherberich , Gerd Schreyer
IPC分类号: C07D277/06 , C07C99/00
CPC分类号: C07D277/06
摘要: Penicillamine or a homolog thereof is obtained by reacting a 2-disubstituted-5,5-alkyl-thiazolidine nitrile, alkyl having 1 to 6 carbon atoms, with a mineral acid in a two-stage proceeding wherein in the first stage relatively low temperatures and a relatively high concentration of the mineral acid are employed while in the second stage the concentration of the acid is relatively low and the temperatures are relatively high, the term "relatively" referring to the relationship of said two stages of the reaction with mineral acid.
摘要翻译: 青霉胺或其同系物是通过2-二取代-5,5-烷基 - 噻唑烷腈,具有1至6个碳原子的烷基与无机酸反应得到的,其中在两阶段进行,其中在第一阶段相对低的温度和 使用相对高浓度的无机酸,而在第二阶段酸的浓度相对较低并且温度相对较高,术语“相对”是指反应两个阶段与无机酸的关系。
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公开(公告)号:US4961914A
公开(公告)日:1990-10-09
申请号:US218858
申请日:1988-07-14
CPC分类号: B01J23/40 , C01C3/0229
摘要: As a result of a special form of the surface coating of Al.sub.2 O.sub.3 catalysts using additional amounts of aluminum ions and very slight amounts of platinum ions, Al.sub.2 O.sub.3 was able to be used as catalyst for continuous operation (150 days and longer) in the preparation of hydrogen cyanide from hydrocarbons and ammonia, preferably in the BMA method.
摘要翻译: 作为使用额外量的铝离子和非常少量的铂离子的Al 2 O 3催化剂的表面涂覆的特殊形式的结果,Al 2 O 3能够用作连续操作(150天以上)的催化剂,用于制备氢 来自烃和氨的氰化物,优选以BMA方法。
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公开(公告)号:US3931208A
公开(公告)日:1976-01-06
申请号:US413048
申请日:1973-11-05
申请人: Heribert Offermanns , Friedrich Asinger , Wolf-Dieter Pfeifer , Paul Scherberich , Gerd Schreyer
发明人: Heribert Offermanns , Friedrich Asinger , Wolf-Dieter Pfeifer , Paul Scherberich , Gerd Schreyer
IPC分类号: C07D277/10 , C07D277/60
CPC分类号: C07D277/60 , C07D277/10
摘要: 2 AND 5 SUBSTITUTED THIAZOLINE-(3) COMPOUNDS OF THE FORMULA: ##EQU1## in which R.sub.1, R.sub.2, and R.sub.3 and R.sub.4 are the same or different, R.sub.1 and R.sub.2 are straight or branched chain lower alkyl, alkenyl or aralkyl groups or together are a straight or branched chain alkylene or ethylenically unsaturated divalent aliphatic hydrocarbon group which joins with the adjacent carbon atom to form a ring and R.sub.3 and R.sub.4 are similarly defined except R.sub.3 can also be hydrogen by reaching a 2,2' dioxodisulfide of the formula ##EQU2## with an oxo compound of the formula ##EQU3## and with ammonia and hydrogen sulfide in the presence of an amine and an ammonium salt.
摘要翻译: 2和5取代的噻唑啉 - (3)式的化合物:其中R 1,R 2和R 3和R 4相同或不同,R 1和R 2是直链的 或支链低级烷基,烯基或芳烷基或一起是与相邻碳原子连接以形成环的直链或支链亚烷基或烯键式不饱和二价脂族烃基,并且R 3和R 4类似地定义,除了R 3也可以是氢 通过到达式OO C的二氧杂二硫化物。方法C将C 1 -C 6(C 1 -C 6)环烷基(R 2)R 2 R 2与式R 3的氧代化合物反应。 和氨和硫化氢在胺和铵盐的存在下反应。
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