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公开(公告)号:US5166451A
公开(公告)日:1992-11-24
申请号:US737237
申请日:1991-07-29
IPC分类号: C07C409/08 , C07C67/00 , C07C407/00
CPC分类号: C07C407/003 , C07C407/00
摘要: Method of treating a hydroperoxide mixture containing both a primary and tertiary aromatic hydroperoxide, by treating the mixture with an alkali and an organic quaternary ammonium salt. This treatment selectively reduces the content of the primary hydroperoxide in the mixture.
摘要翻译: 通过用碱和有机季铵盐处理混合物来处理含有伯和叔芳基氢过氧化物的氢过氧化物混合物的方法。 该处理选择性地降低混合物中初级氢过氧化物的含量。
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公开(公告)号:USRE34076E
公开(公告)日:1992-09-22
申请号:US730116
申请日:1991-07-15
IPC分类号: B01J23/24 , B01J27/188 , C07B31/00 , C07B37/02 , C07B61/00 , C07C27/00 , C07C37/14 , C07C39/06 , C07C39/14 , C07C67/00
CPC分类号: C07C37/14 , C07C37/16 , C07C2101/14
摘要: Process for producing hydroxy-containing alkylated aromatic compounds by the liquid phase reaction of an aromatic compound having at least one hydroxyl group with an alkylating agent in the presence of a heteropoly acid and water.
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公开(公告)号:US4912264A
公开(公告)日:1990-03-27
申请号:US059119
申请日:1987-06-03
IPC分类号: B01J23/24 , B01J27/188 , C07B31/00 , C07B37/02 , C07B61/00 , C07C27/00 , C07C37/14 , C07C39/06 , C07C39/14 , C07C67/00
CPC分类号: C07C37/14 , C07C37/16 , C07C2101/14
摘要: Process for producing hydroxy-containing alkylated aromatic compounds by the liquid phase reaction of an aromatic compound having at least one hydroxyl group with an alkylating agent in the presence of a heteropoly acid and water.
摘要翻译: 通过具有至少一个羟基的芳族化合物与烷基化剂的液相反应在杂多酸和水的存在下制备含羟基的烷基化芳族化合物的方法。
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公开(公告)号:US5254700A
公开(公告)日:1993-10-19
申请号:US20117
申请日:1993-02-19
IPC分类号: C07D209/86 , C07D209/88
CPC分类号: C07D209/86 , C07D209/88
摘要: There is disclosed a process for the production of N-substituted carbazoles with high efficiency, in which a carbazole compound is reacted with an appropriate halogenated compound in an inert solvent in the presence of an acid-removing agent and an amine without using any quaternary ammonium salt which is required in the conventional process.
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公开(公告)号:US4045454A
公开(公告)日:1977-08-30
申请号:US625475
申请日:1975-10-24
申请人: Eiji Yamada , Akira Fukasawa , Shinzaburo Masaki
发明人: Eiji Yamada , Akira Fukasawa , Shinzaburo Masaki
IPC分类号: C07C225/34 , C07C79/10 , C07C79/36 , C09B1/00
CPC分类号: C07C225/34
摘要: A process for producing 1-nitroanthraquinone with high purity which comprises treating crude 1-nitroanthraquinone containing as the main impurities dinitroanthraquinones and .beta.-nitroanthraquinone with an alkali sulfite in an aqueous medium under heating and which is characterized in that the crystals of the crude 1-nitroanthraquinone are pulverized by the aid of a pulverizer, a fine pulverizer or an ultra-fine pulverizer prior to and/or during the treatment with the aqueous alkali sulfite; and a process for producing 1-aminoanthraquinone which comprises subjecting the reaction mixture obtained by the said treatment with the alkali sulfite solution mentioned above, if necessary after further fine pulverization, to a reaction with a reducing agent, or ammonia or an aliphatic or aromatic amine.
摘要翻译: 一种高纯度的1-硝基蒽醌的制备方法,其特征在于,在加热下,在水性介质中用碱金属亚硫酸盐处理含有二硝基蒽醌和β-硝基蒽醌的粗1-硝基蒽醌,其特征在于粗1- 在用碱金属亚硫酸盐处理之前和/或处理期间,借助于粉碎机,细粉碎机或超细粉碎机将硝基蒽醌粉碎; 以及一种1-氨基蒽醌的制备方法,该方法包括在进一步精细粉碎后,将上述处理得到的反应混合物用上述碱金属亚硫酸盐溶液与还原剂或氨或脂族或芳族胺反应 。
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公开(公告)号:US5384409A
公开(公告)日:1995-01-24
申请号:US66033
申请日:1993-05-26
申请人: Kenji Saito , Masahito Sekiguchi , Shinzaburo Masaki , Hiroshi Yoshihara , Kazuhiko Takahashi , Kazuya Minamisaka , Takashi Kawai
发明人: Kenji Saito , Masahito Sekiguchi , Shinzaburo Masaki , Hiroshi Yoshihara , Kazuhiko Takahashi , Kazuya Minamisaka , Takashi Kawai
IPC分类号: C07D231/38
CPC分类号: C07D231/38
摘要: A process for producing 5-amino-3-methylpyrazole which comprises reacting hydrazine with a reaction intermediate containing at least one compound selected from the group consisting of 3-chloro-3-butenonitrile and 2,3-butadienenitrile, which intermediate is obtainable from 2,3-dichloropropene and hydrocyanic acid.A process for producing 5-amino-4-chloro-3-methylpyrazole which comprises chlorinating 5-amino-3-methylpyrazole obtainable by the above-mentioned reaction, in the presence of hydrochloric acid.
摘要翻译: PCT No.PCT / JP92 / 01233 Sec。 371日期:1993年5月26日 102(e)日期1993年5月26日PCT提交1992年9月28日PCT公布。 出版物WO93 / 06088 日期:1993年4月1日。一种生产5-氨基-3-甲基吡唑的方法,其包括使肼与含有至少一种选自3-氯-3-丁烯腈和2,3-丁烯腈的化合物的反应中间体反应 ,该中间体可从2,3-二氯丙烯和氢氰酸获得。 一种生产5-氨基-4-氯-3-甲基吡唑的方法,该方法包括在盐酸存在下将可通过上述反应得到的5-氨基-3-甲基吡唑进行氯化。
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公开(公告)号:US4695407A
公开(公告)日:1987-09-22
申请号:US466568
申请日:1983-02-15
申请人: Norio Kotera , Masatoshi Uegaki , Masakatsu Yoshimura , Shinzaburo Masaki , Tatsuo Kaneoya , Takashi Miyaoka , Yuzo Maegawa , Akira Fukasawa
发明人: Norio Kotera , Masatoshi Uegaki , Masakatsu Yoshimura , Shinzaburo Masaki , Tatsuo Kaneoya , Takashi Miyaoka , Yuzo Maegawa , Akira Fukasawa
IPC分类号: C09B1/22 , C07C221/00 , C07C225/34 , C09B1/16 , C07C97/24
CPC分类号: C07C221/00 , C07C225/34
摘要: A method for purifying 1-aminoanthraquinone which comprises previously subjecting a crude 1-aminoanthraquinone to a removal treatment of inorganic impurities so that their content is reduced to not more than 4 wt. % as converted to ash basis or to a removal treatment of iodine-consuming reductive inorganic impurities so that their content is reduced to not more than 2 wt. % as converted to consumed iodine basis, and then rectifying the 1-aminoanthraquinone.
摘要翻译: 一种纯化1-氨基蒽醌的方法,其包括先将粗制的1-氨基蒽醌处理无机杂质,使其含量降至不超过4重量%。 %转化为灰分或去除处理碘消耗的还原性无机杂质,使其含量降低至不超过2重量%。 %转化为消耗碘,然后精馏1-氨基蒽醌。
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公开(公告)号:US4612394A
公开(公告)日:1986-09-16
申请号:US477443
申请日:1983-03-21
IPC分类号: B01J23/74 , B01J25/02 , B01J27/20 , C07C317/36 , C07C85/11
CPC分类号: C07C323/00 , C07C317/00
摘要: A process for producing aminophenyl-.beta.-hydroxyethylsulfone of the formula (I), ##STR1## which comprises the following steps: (1) condensing nitrohalobenzene with mercaptoethanol in the presence of an alkali hydroxide and at least one reaction medium selected from N-alkyl-substituted amides and sulfoxides to produce mononitrophenyl-.beta.-hydroxyethylsulfide of the formula (II): ##STR2## (2) oxidizing the mononitrophenyl-.beta.-hydroxyethylsulfide (II) to produce mononitrophenyl-.beta.-hydroxyethylsulfone of the formula (III): ##STR3## and (3) reducing the mononitrophenyl-.beta.-hydroxyethylsulfone to produce the aminophenyl-.beta.-hydroxyethylsulfone of the formula (I). This compound is useful as an intermediate for aminophenyl-.beta.-sulfatoethylsulfone represented by the following formula: ##STR4## which is an important intermediate for vinyl sulfone type reactive dyes largely used for dyeing cellulose fiber materials.
摘要翻译: (I)的氨基苯基-β-羟基乙基砜的制备方法,其包括以下步骤:(1)在碱金属氢氧化物和至少一种选自以下的反应介质的存在下将硝基卤苯与巯基乙醇缩合 N-烷基取代的酰胺和亚砜,以制备式(II)的单硝基苯基-β-羟乙基硫化物:(II)(2)(2)氧化单硝基苯基-β-羟乙基硫醚(II)以制备单硝基苯基-β-羟乙基硫醚 式(III):(III)和(3)还原单硝基苯基-β-羟基乙基砜以制备式(I)的氨基苯基-β-羟基乙基砜。 该化合物可用作由下式表示的氨基苯基-β-磺基乙基砜的中间体:作为主要用于染色纤维素纤维材料的乙烯基砜型活性染料的重要中间体的“IMAGE”。
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公开(公告)号:US4289706A
公开(公告)日:1981-09-15
申请号:US61382
申请日:1979-07-27
IPC分类号: C07C205/47 , C07C20060101 , C07C50/18 , C07C67/00 , C07C201/00
CPC分类号: C07C205/47
摘要: Anthraquinone is nitrated using a mixed acid comprising sulfuric acid and nitric acid, the concentration of sulfuric acid being 70 to 76% by weight and the amount of nitric acid being 33 to 55% by weight based on the total weight of sulfuric acid and nitric acid, whereby 1-nitroanthraquinone is obtained in a high yield and a high purity.
摘要翻译: 使用包含硫酸和硝酸的混合酸对蒽醌进行硝化,硫酸的浓度为70〜76重量%,硝酸的量为33〜55重量%,相对于硫酸和硝酸的总重量 从而以高产率和高纯度获得1-硝基蒽醌。
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