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公开(公告)号：US4160107A
公开(公告)日：1979-07-03
申请号：US941400
申请日：1978-09-11
摘要： There is provided a process for the preparation of esters of oxalic acid comprising reacting at a temperature of between about 20.degree. and 200.degree. C. a copper (II) compound having the formula Cu(OR)X, where R is alkyl having from 1 to 8 carbon atoms and X is chlorine or bromine, with carbon monoxide in the presence of a catalyst selected from the group consisting of palladium salts, metallic palladium and zero valent palladium complexes.
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公开(公告)号：US4511718A
公开(公告)日：1985-04-16
申请号：US471691
申请日：1983-03-03
IPC分类号： C07D241/14 , C07D241/12 , C07D241/24 , C07D401/02 , C07D413/02 , C07D417/02
CPC分类号： C07D241/12 , C07D241/24
摘要： A process for the preparation of a pyrazine derivative of the formula ##STR1## wherein R.sub.1 represents hydroxy, C.sub.1 -C.sub.6 alkoxy, or a group of the formula NR.sub.2 R.sub.3 in which R.sub.2 and R.sub.3 are independently a hydrogen atom or C.sub.1 -C.sub.6 alkyl or, together with the nitrogen atom to which they are linked, form a saturated ring having five or six atoms which may contain one or more additional heteroatoms; which process comprises reacting a compound of the formula: ##STR2## wherein R represents a hydrogen atom, C.sub.1 -C.sub.6 alkyl, or C.sub.1 -C.sub.6 alkoxy, Y represents a hydrogen atom or a sodium, lithium, or potassium ion, and A is a nitrile group or a substituent of the formula COR.sub.1 where R.sub.1 is as defined above either with pyruvic aldehyde oxime of the formula: ##STR3## or with a pyruvic aldehyde oxime acetal derivative of the formula: ##STR4## wherein R.sub.4 and R.sub.5 are independently a hydrogen atom or C.sub.1 -C.sub.6 alkyl or may be linked together so that the compound of formula IV is a cyclic acetal; and, when A is a nitrile group, hydrolyzing the reaction product.
摘要翻译： 制备式I的吡嗪衍生物的方法，其中R 1表示羟基，C 1 -C 6烷氧基或式NR 2 R 3基团，其中R 2和R 3独立地为氢原子或C 1 -C 6烷基， 与它们所连接的氮原子一起形成具有五个或六个原子的饱和环，其可以含有一个或多个另外的杂原子; 该方法包括使下式化合物：其中R表示氢原子，C1-C6烷基或C1-C6烷氧基，Y表示氢原子或钠，锂或钾离子，A为 腈基或式COR1的取代基，其中R 1如上所定义，与下式的丙酮酸肟或与下式的其中R 4和R 5为的丙酮酸肟缩醛衍生物 独立地是氢原子或C 1 -C 6烷基或可以连接在一起，使得式Ⅳ化合物是环状缩醛; 并且当A为腈基时，水解反应产物。
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公开(公告)号：US5432268A
公开(公告)日：1995-07-11
申请号：US59121
申请日：1993-05-07
摘要： A process is disclosed for producing particular hydroxyalkyl glucosides in the presence of a binary catalyst.
摘要翻译： 公开了在二元催化剂存在下制备特定羟烷基葡糖苷的方法。
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公开(公告)号：US5095153A
公开(公告)日：1992-03-10
申请号：US595529
申请日：1990-10-11
IPC分类号： B01J31/22 , C07C41/14 , C07C43/04 , C07C43/10 , C07C43/11 , C07C43/115 , C07C43/164 , C08F4/32 , C10L1/182 , C10L1/185 , C10L10/10
CPC分类号： C07C43/10 , C07C43/115 , C07C43/164 , C07C2101/08 , C07C2101/14
摘要： Diethers of general formula: ##STR1## where R, R.sup.I, R.sup.II, R.sup.III, R.sup.IV and R.sup.V are the same or different and are H, C.sub.1-18 linear or branched alkyl, C.sub.5-18 cycloalkyl, C.sub.6.about. aryl, C.sub.7-18 alkylaryl or C.sub.7-18 arylalkyl radicals, provided that when R is alkyl, R.sup.I is other than H or alkyl and when R.sup.I is alkyl, R is other than H or alkyl; R.sup.VI and R.sup.VIII are the same or different and are C.sub.1-18 linear or branched alkyl, C.sub.5-18 cycloalkyl, C.sub.6-18 aryl, or C.sub.7-18 arylalkyl radicals; and two or more of R to R.sup.V may be bonded to form a cyclic structure having 5 to 18 carbon atoms.The diethers are particularly useful in the preparation of Ziegler-Natta catalysts.
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公开(公告)号：US5138047A
公开(公告)日：1992-08-11
申请号：US623134
申请日：1990-12-06
申请人： Giorgio Bornengo , Giovanni Agnes , Augusto Menconi , Giorgio Bottaccio , Zafferino Bozzolasco , Danilo Domenis
发明人： Giorgio Bornengo , Giovanni Agnes , Augusto Menconi , Giorgio Bottaccio , Zafferino Bozzolasco , Danilo Domenis
IPC分类号： C09B62/016 , C09B47/06
CPC分类号： C09B47/06
摘要： This invention relates to improved catalytic process for the manufacture of copper phthalocyanine by allowing phthalic anhydride to react with urea and a copper compound, in the presence of a hydrophobic liquid (dispersing agent), characterized by the presence, along with the catalyst and the dispersing agent, of a promoter selected from particular classes of amides, imides, ureas, thioureas, guanidines, amines or sulphoxides.
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公开(公告)号：US4795595A
公开(公告)日：1989-01-03
申请号：US77238
申请日：1987-07-24
申请人： Giovanni Agnes , Maria Altamura
发明人： Giovanni Agnes , Maria Altamura
IPC分类号： C07B61/00 , B01J23/40 , C07C67/00 , C07C301/00 , C07C303/16 , C07C303/22 , C07C309/15 , C07D209/20 , C07C143/56 , C07C143/02 , C07C143/64
CPC分类号： C07D209/20
摘要： A process of preparing taurine-containing peptides of formula (I): ##STR1## comprises reacting a protected aminoacid with cysteamine or cystamine in the presence of a condensing agent, oxidizing the resulting compound and deprotection.
摘要翻译： 制备式（I）的含牛磺酸的肽的方法：图1（I）包括在缩合剂存在下使保护的氨基酸与半胱胺或胱氨酸反应，氧化所得化合物和脱保护。
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公开(公告)号：US4429147A
公开(公告)日：1984-01-31
申请号：US396670
申请日：1982-07-09
申请人： Giovanni Agnes , Guglielmo Rucci , Claudio Santini
发明人： Giovanni Agnes , Guglielmo Rucci , Claudio Santini
CPC分类号： C07C67/38
摘要： Alkyl diesters of saturated dicarboxylic acids are prepared by catalytic reaction of olefinic hydrocarbons with carbon monoxide and alkoxylic copper salts, in the presence of a Palladium catalyst.The products obtained find useful applications in the field of plasticizers for synthetic resins, in the field of lubricants and of hydraulic fluids, etc.
摘要翻译： 饱和二羧酸的烷基二酯通过烯烃与一氧化碳和烷氧基铜盐在钯催化剂存在下的催化反应来制备。 获得的产品在合成树脂的增塑剂领域，在润滑剂和液压油等领域中都有用。
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