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公开(公告)号：US4374256A
公开(公告)日：1983-02-15
申请号：US8943
申请日：1979-02-02
Applicant: James T. F. Kao , Karl E. Wiegand
Inventor： James T. F. Kao , Karl E. Wiegand
IPC: C07D207/32 , C07D207/337
CPC classification number: C07D207/337
Abstract: Pyrryl-2-acetonitriles corresponding to the formula ##STR1## in which R.sub.1 stands for hydrogen or an alkyl group having 1-4 carbon atoms prepared from dialkyl-(pyrryl-2-methyl)-amine corresponding to the formula ##STR2## in which R.sub.1 is defined as above and R.sub.2 and R.sub.3 stand for alkyl groups having 1-4 carbon atoms, are alkylated with alkyl halides such as methyl chloride or methyl bromide to form the corresponding trialkyl-(pyrryl-2-methyl)-ammonium chloride quaternary salts and then reacted with an aqueous solution of alkali cyanide in the presence of a water-immiscible solvent under conditions which provide more economical utilization of reactants and process equipment.
Abstract translation: 对应于式“IMAGE”的吡咯-2-乙腈，其中R1代表对应于式“IMAGE”的二烷基 - （吡咯-2-甲基） - 胺制备的氢或具有1-4个碳原子的烷基，其中 R1如上定义，R2和R3代表具有1-4个碳原子的烷基，用烷基卤如氯甲烷或甲基溴烷基化，形成相应的三烷基 - （吡咯-2-甲基） - 氯化铵季盐 然后在水混溶性溶剂的存在下，在提供更经济地利用反应物和工艺设备的条件下，与碱金属氰化物水溶液反应。
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公开(公告)号：US4187230A
公开(公告)日：1980-02-05
申请号：US848936
申请日：1977-11-07
Applicant: Karl E. Wiegand , James T. F. Kao , Michael J. Dagani
Inventor： Karl E. Wiegand , James T. F. Kao , Michael J. Dagani
IPC: C07D207/32 , C07D207/333 , C07D409/06
CPC classification number: C07D207/333
Abstract: A process for acylating pyrrole compounds comprising reacting an aroyl halide with the pyrrole compound in the presence of an alkyl aluminum halide. Such acylated pyrrole derivatives are useful as intermediates for the preparation of anti-inflammatory agents and as synthetic intermediates.
Abstract translation: 酰化吡咯化合物的方法，包括在烷基铝卤化物存在下使芳酰卤与吡咯化合物反应。 这样的酰化吡咯衍生物可用作制备抗炎剂和合成中间体的中间体。
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公开(公告)号：US3939228A
公开(公告)日：1976-02-17
申请号：US347833
申请日：1973-04-04
Applicant: James T. F. Kao
Inventor： James T. F. Kao
IPC: C07F9/6581 , D06M13/282 , C07F9/15
CPC classification number: C07F9/65812 , D06M13/282
Abstract: A process for manufacture of phosphazene compounds in a liquid aliphatic hydrocarbon reaction medium providing process advantages by reacting therein an alkali metal alkoxide, phenoxide or thiol derivative with a phosphonitrilic halide.
Abstract translation: 在液体脂族烃反应介质中制造磷腈化合物的方法，其中通过使碱金属醇盐，酚盐或硫醇衍生物与磷酸三氢卤化物反应来提供工艺优点。
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公开(公告)号：US4065546A
公开(公告)日：1977-12-27
申请号：US638375
申请日：1975-12-08
Applicant: James T. F. Kao
Inventor： James T. F. Kao
IPC: C01B21/097 , C01B21/098 , C01B25/10
CPC classification number: C01B21/0986 , C01B21/097
Abstract: Process for the preparation of chlorophosphazene mixtures having a high proportion of cyclic trimer and tetramer by preparing a dispersion of finely divided ammonium chloride in an amount sufficient to initiate the formation of chlorophosphazene, then, after heating the dispersion to reflux, co-feeding ammonia and a solution of phosphorus pentachloride in a suitable solvent at a rate such that no free PCl.sub.5 concentration is allowed to exist in the reaction mass, and then recovering the cyclic chlorophosphazene produced.
Abstract translation: 制备具有高比例环状三聚物和四聚物的氯膦腈混合物的方法，是通过制备足够量的氯化铵的分散液，其量足以引发氯膦腈的形成，然后在分散体加热回流之后，共同供给氨和 五氯化磷在合适的溶剂中的溶液，使得反应物质中不存在游离的PCl5浓度，然后回收生成的环状氯膦腈。
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公开(公告)号：US4100188A
公开(公告)日：1978-07-11
申请号：US248053
申请日：1972-04-27
Applicant: James T. F. Kao
Inventor： James T. F. Kao
CPC classification number: C07C59/305 , C07C51/42 , C11D3/2089
Abstract: It is disclosed that water soluble salts of carboxyalkoxy succinic acids are obtained in solid form by crystallization from mixed solvent systems wherein the solvents are water plus a lower alkanol having up to about six carbon atoms per molecule. A particularly preferred alkanol is methanol. The selective production of salts containing various amounts of water of hydration is possible by controlling the ratio of water to alcohol.
Abstract translation: 公开了通过从混合溶剂体系中结晶得到固体形式的羧基烷氧基琥珀酸的水溶性盐，其中溶剂是水加上每分子具有高达约6个碳原子的低级链烷醇。 特别优选的链烷醇是甲醇。 通过控制水与醇的比例，可以选择性地生产含有各种水合水的盐。
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Patent Agency Ranking
公开(公告)号：US4081593A
公开(公告)日：1978-03-28
申请号：US652639
申请日：1976-01-26
Applicant: Carroll W. Lanier , James T. F. Kao
Inventor： Carroll W. Lanier , James T. F. Kao
CPC classification number: C08G79/025 , C08L1/06 , Y10S260/24
Abstract: A process for producing fire retardant phosphonitrilate polymers by reacting phosphonitrilic halide with a hydroxyl compound such as an aliphatic or aromatic alcohol at not more than about 40.degree. C in the presence of an acid acceptor, such as pyridine, under conditions such that a relatively low concentration of the hydroxyl compound is present during the initial 1/2 to 3 hours of the reaction and the reaction conditions are maintained at from 20.degree.-50.degree. C for a period of 1/2 to 120 hours and, optionally, further heating the reaction mixture to a temperature of 40.degree.-80.degree. C for 1/2 to 81/2 hours. The phosphonitrilate polymers are suitable for fire retarding cellulosic materials such as regenerated cellulose, rayon and the like.
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公开(公告)号：US4870209A
公开(公告)日：1989-09-26
申请号：US43787
申请日：1987-04-29
Applicant: James T. F. Kao , Dwight E. Raff, II
Inventor： James T. F. Kao , Dwight E. Raff, II
IPC: C07C213/10 , C07C67/00 , C07C213/00 , C07C215/76
CPC classification number: C07C215/76
Abstract: A process for the purification of crude 4-aminophenol which was prepared by the catalytic hydrogenation of nitrobenzene in aqueous sulfuric acid is described involving: adjusting the pH of an aqueous solution of crude 4-aminophenol to pH 4.0-5.0 at a temperature between 75.degree. C. and 85.degree. C.; mixing the aforesaid solution with toluene as the solvent, in order to extract various impurities and the dissolved nitrobenzene starting material; adjusting the pH of the resultant solution as required to maintain it at pH 4.0-5.0; allowing the resultant mixture to settle thereby forming a top organic layer and a bottom aqueous raffinate layer which raffinate contains 4-aminophenol and the by-product material, ortho-aminophenol; separating the two layers and repeatedly extracting the raffinate layer which toluene at pH 4.0-5.0 at a temperature of 75.degree.-85.degree. C. until most impurities have been removed from the resultant final raffinate; adding to the resultant raffinate, a charcoal decolorizing agent and a sodium sulfite type salt, which are then removed, leaving a filtrate which contains the 4-aminophenol and also the by-product ortho-aminophenol; adjusting the pH of said filtrate to pH 6.5-8.0 and cooling it to a temperature below 10.degree. C.; separating the precipitated pure 4-aminophenol from the by-product ortho-aminophenol which remains in the solution.
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公开(公告)号：US4383117A
公开(公告)日：1983-05-10
申请号：US317156
申请日：1981-11-02
Applicant: James T. F. Kao , Everett M. Marlett
Inventor： James T. F. Kao , Everett M. Marlett
IPC: C07D207/34
CPC classification number: C07D207/34
Abstract: A process for the preparation of alkyl 1,4-dimethyl-3-ethoxycarbonylpyrrole-2-acetate compounds by reacting in a solvent a diloweralkyl acetone dicarboxylate, a chloromethyl lower alkyl ketone and anhydrous loweralkylamine.
Abstract translation: 在溶剂中通过使二羧酸二烷基丙酮二羧酸酯，氯甲基低级烷基酮和无水低级烷基胺反应制备1,4-二甲基-3-乙氧基羰基吡咯-2-乙酸烷基酯化合物的方法。
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公开(公告)号：US4011089A
公开(公告)日：1977-03-08
申请号：US586987
申请日：1975-06-16
Applicant: James T. F. Kao
Inventor： James T. F. Kao
CPC classification number: C08L1/06 , C01B21/0986 , C08G79/025 , C08L85/02
Abstract: A phosphazene composition is prepared by reacting a fully hydrocarboxylated phosphazene with a partially hydrocarboxylated phosphazene under conditions whereby an organic halide is evolved, in which at least one of the fully and partially hydrocarboxylated phosphazenes are prepared by adding an alkali metal hydrocarboxide to a phosphonitrilic halide whereby the final phosphazene composition contains some --P--ONa bonds, as well as --P--O--P-- bond configurations. The phosphazene compositions are useful as fire retardants for cellulosics.
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公开(公告)号：US4565879A
公开(公告)日：1986-01-21
申请号：US137250
申请日：1980-04-04
Applicant: James T. F. Kao
Inventor： James T. F. Kao
IPC: C07D207/34
CPC classification number: C07D207/34
Abstract: A process for the preparation of alkyl 1,4-dimethyl-3-ethoxycarbonylpyrrole-2-acetate compounds by reacting a diloweralkyl acetone dicarboxylate, a chloromethyl lower alkyl ketone and an aqueous loweralkylamine in the presence of an added organic hydrocarbyl aromatic compound as co-solvent.
Abstract translation: 在加成的有机烃基芳族化合物作为共聚物存在下，通过使二羧酸二烷基丙酮二羧酸酯，氯甲基低级烷基酮和低级烷基胺水溶液反应制备烷基1,4-二甲基-3-乙氧基羰基吡咯-2-乙酸酯化合物的方法， 溶剂。
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