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公开(公告)号：US4786745A
公开(公告)日：1988-11-22
申请号：US896605
申请日：1986-08-13
IPC分类号： B01J21/10 , B01J23/00 , B01J23/06 , C07B61/00 , C07C67/00 , C07C68/02 , C07C69/96 , C07C239/00 , C07C271/28
CPC分类号： C07C69/96
摘要： Novel 2,2-dihalovinyl haloformates are described of general formula: ##STR1## in which: X is a chlorine or bromine atom;X.sub.1 and X.sub.2 are the same or different and are chlorine or bromine.The compounds are prepared by reaction of a 1,2,2,2-tetrahaloethyl haloformate of formula: ##STR2## in which: X.sub.1, X.sub.2 and X are as described hereinabove;X.sub.3 is chlorine or bromine and is always bromine when X.sub.1 and/or X.sub.2 is bromine andX.sub.4 is chlorine or bromine, with a metal such as zinc or magnesium in a solvent.The novel compounds are very useful for the preparation of 2,2-dihalovinyl carbonates and carbamates which may be used as insecticides or as comonomers.
摘要翻译： 新的2,2-二卤代乙酰基卤代甲酸酯描述为通式：其中：X是氯或溴原子; X1和X2相同或不同，为氯或溴。 该化合物通过下式得到的1,2,2,2-四卤代乙酰卤甲酸酯制备：其中：X 1，X 2和X如上所述; X 1是氯或溴，当X 1和/或X 2是溴并且X 4是氯或溴时，其总是溴，在溶剂中用锌或镁等金属。 新化合物对于可用作杀虫剂或共聚单体的2,2-二卤乙烯基碳酸酯和氨基甲酸酯的制备非常有用。
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公开(公告)号：US4612143A
公开(公告)日：1986-09-16
申请号：US651661
申请日：1984-09-17
申请人： Marc Piteau , Jean-Pierre Senet , Patrick Wolf , Roy A. Olofson , Vu A. Dang
发明人： Marc Piteau , Jean-Pierre Senet , Patrick Wolf , Roy A. Olofson , Vu A. Dang
摘要： A process for the preparation of fluoroformates of formula: ##STR1## in which R.sup.1 is a substituted or unsubstituted, saturated or unsaturated aliphatic, cycloaliphatic or polycyclic radical, or substituted or unsubstituted araliphatic radical or an aromatic radical, which consists of reacting a carbonate of formula: ##STR2## in which R.sup.1 has the same meaning as hereinabove and R.sup.2 is hydrogen, alkyl of 1-12 carbon atoms, cycloalkyl of 5-12 carbon atoms, saturated or unsaturated, unsubstituted or substituted by one or more halogen atoms or R.sup.2 is aryl, unsubstituted or substituted by one or more halogen atoms, with an alkali or alkaline earth fluoride, ammonium fluoride or a quaternary ammonium fluoride, of formula FNR.sup.3 R.sup.4 R.sup.5 R.sup.6, wherein R.sup.3, R.sup.4, R.sup.5, R.sup.6 are the same or different and are hydrogen, alkyl or aralkyl of 1-12 carbon atoms or a fluoride which is KHF.sub.2, NH.sub.4 HF.sub.2 or KSO.sub.2 F. The fluoride is activated by a complexing agent for the cation which is a cryptate, a cyclic or linear polyether or by means of a polar aprotic compound. The carbonate is split to give a reaction mixture containing an aldehyde and the fluoroformate which is removed from the reaction mixture.
摘要翻译： 制备下式的氟甲酸酯的方法：其中R 1是取代或未取代的饱和或不饱和的脂族，脂环族或多环基团，或取代或未取代的芳脂族基团或芳族基团，其由 式：其中R 1具有与上述相同的含义，R 2是氢，1-12个碳原子的烷基，5-12个碳原子的环烷基，未被取代或被一个或多个卤素原子或R 2取代的5-12个碳原子的环烷基 是未取代或被一个或多个卤素原子取代的芳基与式FNR 3 R 4 R 5 R 6的碱金属或碱土金属氟化物，氟化铵或季铵氟化物，其中R 3，R 4，R 5，R 6相同或不同，为氢， 1-12个碳原子的烷基或芳烷基或作为KHF2，NH4HF2或KSO2F的氟化物。 氟化物由用于阳离子的络合剂活化，所述络合剂是密封剂，环状或线性聚醚或通过极性非质子化合物。 分离碳酸酯，得到含有从反应混合物中除去的醛和氟甲酸酯的反应混合物。
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公开(公告)号：US06613929B2
公开(公告)日：2003-09-02
申请号：US10323956
申请日：2002-12-18
IPC分类号： C07C6996
CPC分类号： C07C68/02 , C07C2601/14 , C07C69/96
摘要： A process for the preparation of fluoroformates of the formula wherein R1 is a saturated or unsaturated, substituted or unsubstituted and primary or secondary aliphatic, a saturated or unsaturated, substituted or unsubstituted secondary cycloaliphatic or a substituted or unsubstituted aromatic or heteroaromatic, and n is equal to 1, 2 or 3, comprising reacting a corresponding chloroformate of formula I with an alkali metal fluoride in ethylene carbonate at a temperature wherein the ethylene carbonate is liquid whereby it is possible to very rapidly obtain the fluoroformates with excellent yields and high purity.
摘要翻译： 制备糠醛R 1的氟甲酸酯的方法是饱和或不饱和的，取代或未取代的伯或仲脂肪族饱和或不饱和的取代或未取代的仲脂环族或取代或未取代的芳族或杂芳族，n等于 1,2或3，包括在碳酸亚乙酯为液体的温度下使相应的式I的氯甲酸酯与碳酸亚乙酯中的碱金属氟化物反应，从而可以非常快速地获得具有优异产率和高纯度的氟甲酸酯。
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4.发明授权Process for the preparation of 1-bromoethyl hydrocarbonyl carbonates and new 1-bromoethyl hydrocarbonyl carbonates 失效1-溴乙基碳酸酯和新的1-溴乙基碳酸亚烃酯的制备方法
公开(公告)号：US4808745A
公开(公告)日：1989-02-28
申请号：US28964
申请日：1987-03-23
申请人： Thierry Malfroot , Marc Piteau , Jean-Pierre Senet
发明人： Thierry Malfroot , Marc Piteau , Jean-Pierre Senet
摘要： The invention relates to a process for the preparation of 1-bromoethyl hydrocarbonyl carbonates, characterized in that anhydrous hydrobromic acid is reacted with a vinyl hydrocarbonyl carbonate of formula ##STR1## in which R denotes a saturated, substituted or unsubstituted C.sub.1 -C.sub.12 aliphatic radical or C.sub.5 -C.sub.24 alicyclic radical, or a substituted or unsubstituted aromatic radical, at a temperature between 10.degree. and 100.degree. C.The invention also relates to the new 1-bromoethyl hydrocarbonyl carbonates of formula: ##STR2## These carbonates are particularly sought after for introducing a carbonate group into a molecule.
摘要翻译： 本发明涉及一种制备1-溴乙基碳酸酯的方法，其特征在于使无水氢溴酸与式“IMAGE”的乙烯基烃基碳酸酯反应，其中R表示饱和的，取代或未取代的C 1 -C 12脂族基团或 C5-C24脂环族基团或取代或未取代的芳族基团。本发明还涉及下式的新的1-溴乙基碳酸亚烃酯：这些碳酸酯特别适用于 将碳酸酯基团引入分子。
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5.发明授权Process for the preparation of acid chlorides by phosgenation of acids, and catalysts for this process 失效通过酸的光气化制备酰氯的方法和该方法的催化剂
公开(公告)号：US4806286A
公开(公告)日：1989-02-21
申请号：US888208
申请日：1986-07-23
IPC分类号： B01J31/00 , B01J31/02 , C07B31/00 , C07B41/10 , C07B61/00 , C07C51/00 , C07C51/60 , C07C53/38 , C07C57/64 , C07C63/00 , C07C67/00
CPC分类号： C07C51/60
摘要： The invention relates to a new process for the preparation of carboxylic acid chlorides by phosgenation of the corresponding carboxylic acid in the presence of a catalyst.This process is characterized in that the said catalyst is chosen from the compounds represented by the formulae ##STR1## in which R.sub.1 to R.sub.6, which are identical of different, denote: aliphatic, alicyclic, araliphatic or aromatic radicals,or form, in pairs, with the nitrogen atom to which they are attached or with the N-C-N group, a 5- or 6-membered heterocyclic ring.The process applies to most carboxylic acids.The acid chlorides obtained are known and used to produce radical polymerization initiators or pesticides.
摘要翻译： 本发明涉及在催化剂存在下通过相应羧酸的光气化制备羧酸氯化物的新方法。 该方法的特征在于所述催化剂选自由下式表示的化合物：其中不同的相同的R 1至R 6表示：脂族，脂环族，芳脂族或 芳族基团或与其所连接的氮原子或NCN基团成对形成5-或6-元杂环。 该过程适用于大多数羧酸。 获得的酰氯是已知的并且用于产生自由基聚合引发剂或杀虫剂。
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公开(公告)号：US4820856A
公开(公告)日：1989-04-11
申请号：US108996
申请日：1987-10-16
IPC分类号： B01J31/00 , B01J31/02 , C07B61/00 , C07C67/00 , C07C68/02 , C07C325/00 , C07C327/20 , C07C327/22 , C07C329/00 , C07C329/02
CPC分类号： C07C329/00
摘要： The subject of the invention is a new process for the preparation of alkyl thiochloroformates.The process according to the invention consists in reacting phosgene with a mercaptan in the presence of a catalyst which is a hexaalkylguanidinium chloride or the corresponding hydrochloride of general formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 represent alkyl radicals containing 1 to 4 carbon atoms and in which n may take either the value 0 or the value 1.The preferred catalysts are hexamethylguanidinium chloride and its hydrochloride.The process according to the invention enables very pure alkyl thiochloroformates to be obtained with milder operating conditions and simplified purification operations.
摘要翻译： 本发明的主题是制备烷基硫代氯甲酸酯的新方法。 根据本发明的方法在于使光气与硫醇在催化剂存在下反应，催化剂是六烷基氯化胍或通式为：其中R 1，R 2，R 3，R 4，R 5和R 6表示烷基的相应盐酸盐 含有1至4个碳原子的基团，其中n可以取0或值1.优选的催化剂是六甲基胍氯化物及其盐酸盐。 根据本发明的方法使得能够在更温和的操作条件和简化的纯化操作中获得非常纯的烷基硫代氯甲酸酯。
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公开(公告)号：US4808743A
公开(公告)日：1989-02-28
申请号：US14286
申请日：1987-02-13
申请人： Mark Bowman , Roy Olofson , Thierry Malfroot , Jean-Pierre Senet
发明人： Mark Bowman , Roy Olofson , Thierry Malfroot , Jean-Pierre Senet
IPC分类号： B01J21/10 , B01J23/00 , B01J23/06 , C07B61/00 , C07C67/00 , C07C68/02 , C07C69/96 , C07C239/00 , C07C271/28 , C07C69/07
CPC分类号： C07C69/96
摘要： Vinyl chloroformates are described of formula ##STR1## in which: R.sub.1 .dbd.R.sub.2 .dbd.Cl, Br or a saturated 1-4 carbon atom alkyl or together they form a cycloaliphatic ring of 4-8 carbon atoms;R.sub.3 .dbd.H when R.sup.1 or R.sup.2 .dbd.alkyl; saturated alkyl of 1-4 carbon atoms or aryl; ##STR2## in which R.sub.4 .dbd.R.sub.5 .dbd.alkyl of 1-4 carbon atoms or R.sub.3 forms with R.sub.2 a C.sub.5 -C.sub.8 ring which may have attached oxygen atoms. The process of preparation consists of reacting phosgene with the corresponding compounds containing alpha halogen and a carbonyl group. The products are very useful to obtain vinyl carbonates and carbamates.
摘要翻译： 氯甲酸乙酯描述为式
，其中：R1 = R2 = Cl，Br或饱和1-4个碳原子的烷基，或一起形成4-8个碳原子的脂环族环; 当R1或R2 =烷基时R3 = H; 1-4个碳原子的饱和烷基或芳基; 其中R 4 = R 5 = 1-4个碳原子的烷基或R 3与R 2形成可具有连接氧原子的C 5 -C 8环。 制备方法包括使光气与含有α卤素和羰基的相应化合物反应。 该产品对于获得乙烯基碳酸酯和氨基甲酸酯是非常有用的。 -
8.发明授权Process for the preparation of 1-bromoethyl hydrocarbonyl carbonates and new 1-bromoethyl hydrocarbonyl carbonates 失效1-溴乙基碳酸酯和新的1-溴乙基碳酸亚烃酯的制备方法
公开(公告)号：US4697032A
公开(公告)日：1987-09-29
申请号：US796555
申请日：1985-11-08
申请人： Thierry Malfroot , Marc Piteau , Jean-Pierre Senet
发明人： Thierry Malfroot , Marc Piteau , Jean-Pierre Senet
摘要： The invention relates to a process for the preparation of 1-bromoethyl hydrocarbonyl carbonates, characterized in that anhydrous hydrobromic acid is reacted with a vinyl hydrocarbonyl carbonate of formula ##STR1## in which R denotes a saturated, substituted or unsubstituted C.sub.1 -C.sub.12 aliphatic radical or C.sub.5 -C.sub.24 alicyclic radical, or a substituted or unsubstituted aromatic radical, at a temperature between 10.degree. and 100.degree. C.The invention also relates to the new 1-bromoethyl hydrocarbonyl carbonates of formula: ##STR2## These carbonates are particularly sought after for introducing a carbonate group into a molecule.
摘要翻译： 本发明涉及一种制备1-溴乙基碳酸酯的方法，其特征在于使无水氢溴酸与式“IMAGE”的乙烯基烃基碳酸酯反应，其中R表示饱和的，取代或未取代的C 1 -C 12脂族基团或 C5-C24脂环族基团或取代或未取代的芳族基团。本发明还涉及下式的新的1-溴乙基碳酸亚烃酯：这些碳酸酯特别适用于 将碳酸酯基团引入分子。
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公开(公告)号：US06479665B2
公开(公告)日：2002-11-12
申请号：US10016747
申请日：2001-10-29
IPC分类号： C07D26344
CPC分类号： C07D263/44
摘要： The invention relates to a process for the preparation of N-carboxyanhydrides by reaction of the corresponding amino acid with phosgene, diphosgene and/or triphosgene in a solvent medium, characterized in that the reaction is a least partially carried out in the presence of an unsaturated organic compound which has one or more ethylenic double bonds, one of the carbon of at least one ethylenic double bond of which is completely substituted by substituents other than halogen atoms. The N-carboxyanhydrides are thus obtained with better yields and an improved purity.
摘要翻译： 本发明涉及通过相应的氨基酸与光气，双光气和/或三光气在溶剂介质中反应制备N-羧酸酐的方法，其特征在于该反应在不饱和的存在下至少部分地进行 具有一个或多个烯属双键的有机化合物，至少一个烯属双键的碳中的一个被卤素原子以外的取代基完全取代。因此获得了较好的收率和纯度提高的N-羧酸酐。
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公开(公告)号：US5734060A
公开(公告)日：1998-03-31
申请号：US715725
申请日：1996-09-19
申请人： Guy Bertrand , Daniel Guyot , Michel Denarie , Jean-Pierre Senet
发明人： Guy Bertrand , Daniel Guyot , Michel Denarie , Jean-Pierre Senet
IPC分类号： C07C263/00 , C07C263/12 , C07C265/16 , C07D213/82 , C07D211/72
CPC分类号： C07D213/82 , C07C263/12
摘要： The invention relates to a novel process for the preparation of acyl isocyanates which consists in reacting oxalyl chloride with an N-trialkylsilylcarboxamide or an N,N-bis(trialkylsilyl)carboxamide. The process makes it possible to obtain acyl isocyanates in good yield, in particular acyl isocyanates derived from aliphatic amides, and under simplified reaction conditions.
摘要翻译： 本发明涉及一种制备酰基异氰酸酯的新方法，其中草酰氯与N-三烷基甲硅烷基甲酰胺或N，N-双（三烷基甲硅烷基）甲酰胺反应。 该方法可以以良好的收率获得酰基异氰酸酯，特别是衍生自脂族酰胺的酰基异氰酸酯，以及在简化的反应条件下。
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