Preparation of N-substituted pyrazoles
    1.
    发明授权
    Preparation of N-substituted pyrazoles 失效
    N-取代吡唑的制备

    公开(公告)号:US5468871A

    公开(公告)日:1995-11-21

    申请号:US334613

    申请日:1994-11-07

    摘要: N-substituted-pyrazoles of the formula ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.12 -alkyl or C.sub.7 -C.sub.20 -alkyl, and R.sup.2, R.sup.3 and R.sup.4 independently denote hydrogen, C.sub.1 -C.sub.12 -alkyl, phenyl, C.sub.7 -C.sub.20 -alkylphenyl and C.sub.7 -C.sub.20 -phenylalkyl, are prepared by reacting a pyrazole of the formula ##STR2## wherein R.sup.2, R.sup.3 and R.sup.4 have the meanings above, with an alcohol or ether of the formulaR.sup.1 --O--R.sup.5 III,wherein R.sup.5 is hydrogen or R.sup.1, at a temperature of from 200.degree. to 550.degree. C. and a pressure of from 0.001 to 50 bar in the presence of a heterogeneous catalyst, preferably one which contains acid centers such as the oxides of aluminum, silicon, titanium and/or zirconium, optionally doped with phosphoric acid.

    摘要翻译: 其中R 1是C 1 -C 12 - 烷基或C 7 -C 20 - 烷基,R 2,R 3和R 4独立地表示氢,C 1 -C 12 - 烷基,苯基,C 7 -C 20 - 烷基苯基 和C 7 -C 20 - 苯基烷基,其通式如下:其中R2,R3和R4具有上述含义的吡唑与式R1-O-R5III的醇或醚反应制备,其中R 5是氢或 R1在200〜550℃的温度和0.001〜50巴的压力下,在非均相催化剂存在下,优选含有酸中心的铝,硅,钛和/或氧化物的氧化物 锆,任选掺杂有磷酸。

    Aqueous phase process for preparing N-substituted imidazoles
    2.
    发明授权
    Aqueous phase process for preparing N-substituted imidazoles 失效
    制备N-取代咪唑的水相方法

    公开(公告)号:US5877326A

    公开(公告)日:1999-03-02

    申请号:US914187

    申请日:1997-08-19

    摘要: A process for preparing substituted imidazoles of the formula I ##STR1## R.sup.1, R.sup.2 and R.sup.3 are identical or different and are each hydrogen, halogen, NO.sub.2, CN or a C.sub.1 -C.sub.20 -hydrocarbon radical which is unsubstituted or substituted by one or more halogens or R.sup.1 and R.sup.2 together are members of a 3- to 20-membered hydrocarbon ring which is unsubstituted or substituted by one or more halogens and/or C.sub.1 -C.sub.8 -alkyl groups and which may contain 1, 2 or 3 heteroatoms from the group consisting of nitrogen, oxygen and sulfur, andR.sup.4 is a C.sub.1 -C.sub.20 -hydrocarbon radical which is unsubstituted or substituted by one or more halogens,comprises using an aqueous phase of the imidazoles of the formula II ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are as defined above with compounds of the formula IIIR.sup.4 --O--R.sup.5 IIIwhereR.sup.4 is as defined above andR.sup.5 is hydrogen or R.sup.4, it being possible in the latter case for the two R.sup.4 substituents to be identical or different,and reacting it at from 200.degree. to 550.degree. C. in the presence of a catalyst comprising oxides and/or phosphates of one or more metals of the 2nd, 3rd and 4th main group and the 4th subgroup of the Periodic Table in the presence or absence of phosphoric acid and/or phosphoric esters.

    摘要翻译: 制备式I的取代咪唑的方法R1,R2和R3相同或不同,各自为氢,卤素,NO2,CN或C1-C20-烃基,其未被取代或被一个或多个 卤素或R 1和R 2一起是3至20元烃环的成员,其未被取代或被一个或多个卤素和/或C 1 -C 8烷基取代,并且可以含有1,2或3个来自该基团的杂原子 由氮,氧和硫组成,R4是未被取代或被一个或多个卤素取代的C 1 -C 20烃基,包括使用式II的咪唑的水相,其中R 1,R 2和 R 3如上所定义,与式III的R4-O-R5III化合物,其中R 4如上定义,R 5是氢或R 4,在后一种情况下,两个R 4取代基可以相同或不同, 在约200℃〜550℃下, 在磷酸和/或磷酸酯存在或不存在的条件下,包含第2,第3和第4主族和第4族的周期表中的一种或多种金属的氧化物和/或磷酸盐。

    Preparation of ketones
    3.
    发明授权
    Preparation of ketones 失效
    酮的制备

    公开(公告)号:US4950763A

    公开(公告)日:1990-08-21

    申请号:US381469

    申请日:1989-07-18

    摘要: Ketones of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 independently of one another are each alkyl, cycyloalkyl, arylalkyl, aryl or hetaryl, and one or more of the radicals R.sup.1 and R.sup.2 carry one or more hydrogen atoms on the .alpha.-carbon atom, are prepared by reacting two carboxylic acids of the general formulae (IIa/IIb), R.sup.1 --COOH (IIa) and R.sup.2 --COOH (IIb) or by reacting a carboxylic acid R.sup.1 --COOH (IIa) and a ketone ##STR2## or by reacting a mixture of IIa, IIb and Ib, in the gas phase in the presence of a catalyst, by a process in which a catalyst is used whose active material contains at least 50% by weight of titanium dioxide having a specific surface area greater than 10 m.sup.2 /g.0.

    摘要翻译: 其中R 1和R 2彼此独立地为烷基,氰基烷基,芳基烷基,芳基或杂芳基的通式(I)的酮,其中R 1和R 2中的一个或多个携带一个或多个氢原子 通过使通式(IIa / IIb),R1-COOH(IIa)和R2-COOH(IIb)的两种羧酸反应或通过使羧酸R1-COOH(IIa)和 酮(Ib)或IIa,IIb和Ib的混合物在气相中,在催化剂存在下,通过使用活性物质含有至少50重量%的催化剂的方法 的比表面积大于10m 2 / g的二氧化钛。

    Catalytic preparation of condensation products of formaldehyde
    5.
    发明授权
    Catalytic preparation of condensation products of formaldehyde 失效
    催化制备甲醛缩合产物

    公开(公告)号:US5585496A

    公开(公告)日:1996-12-17

    申请号:US570557

    申请日:1995-12-11

    CPC分类号: C07C45/75

    摘要: A process for the catalytical preparation of condensation products of formaldehyde, in which formaldehyde or a formaldehyde-forming compound is caused to undergo reaction using a catalyst which has been produced, in the presence of an auxiliary base, from a triazolium salt of formula I ##STR1## in which R.sup.1 and R.sup.3 are the same or different and stand for aliphatic groups having from 1 to 30 carbon atoms, optionally substituted aryl groups, optionally substituted aralkyl groups, and/or optionally substituted heteroaryl groups,R.sup.2 represents hydrogen, the hydroxymethylene group --CH.sub.2 OH or the hydroxy-hydroxymethylene-methylidyne group --CH(OH)(CH.sub.2 OH), andR.sup.4 denotes hydrogen, a halogen atom, a nitro or cyano group, an aliphatic group having from 1 to 30 carbon atoms, an optionally substituted aryl group, an optionally substituted aralkyl group, an optionally substituted heteroaryl group, an alkoxy group --OR.sup.5, a thioether group --SR.sup.6, an amino group --NR.sup.7 R.sup.8, an acyl group--COR.sup.9 or an ester group --COOR.sup.10, where R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 stand for radicals such as those stated above for R.sup.1, and R.sup.10 is a C.sub.1 -C.sub.10 alkyl group or an optionally substituted aryl or aralkyl group, orR.sup.3 and R.sup.4 together form a C.sub.3 -C.sub.5 alkylene or C.sub.3 -C.sub.5 alkenylene group or a C.sub.6 -C.sub.14 alkylene group, or a C.sub.7 -C.sub.14 aralkylene or C.sub.8 -C.sub.14 aralkenylene bridging member, andA is the equivalent of an anion having one or more negative charges for electrical neutralization of the charge on the triazolium cation.

    摘要翻译: 催化制备甲醛缩合产物的方法,其中使甲醛或形成甲醛的化合物在辅助碱存在下由式I的三唑鎓盐生产的催化剂进行反应, (I)其中R1和R3相同或不同,代表具有1至30个碳原子的脂族基团,任选取代的芳基,任选取代的芳烷基和/或任选取代的杂芳基,R 2表示氢, 羟基亚甲基-CH 2 OH或羟基 - 羟基亚甲基 - 亚甲基基团-CH(OH)(CH 2 OH),R 4表示氢,卤素原子,硝基或氰基,具有1至30个碳原子的脂族基团, 取代的芳基,任选取代的芳烷基,任选取代的杂芳基,烷氧基-OR 5,硫醚基-SR 6,氨基-NR 7 R 8,酰基-C COR 9或酯gr 其中R 5,R 6,R 7,R 8和R 9分别代表上述R 1的基团,R 10是C 1 -C 10烷基或任意取代的芳基或芳烷基,或者R 3和R 4一起形成 C3-C5亚烷基或C3-C5亚烯基或C6-C14亚烷基,或C7-C14亚芳基或C8-C14芳亚烷基桥连元件,A相当于具有一个或多个负电荷用于电中和的阴离子 的三唑鎓阳离子的电荷。

    Addition products of triazolium salts
    6.
    发明授权
    Addition products of triazolium salts 失效
    三唑鎓盐的加成产物

    公开(公告)号:US5508422A

    公开(公告)日:1996-04-16

    申请号:US286221

    申请日:1994-08-05

    CPC分类号: C07C45/75

    摘要: A process for the catalytical preparation of condensation products of formaldehyde, in which formaldehyde or a formaldehyde-forming compound is caused to undergo reaction using a catalyst which has been produced, in the presence of an auxiliary base, from a triazolium salt of formula I ##STR1## in which R.sup.1 and R.sup.3 are the same or different and stand for aliphatic groups having from 1 to 30 carbon atoms, optionally substituted aryl groups, optionally substituted aralkyl groups, and/or optionally substituted heteroaryl groups,R.sup.2 represents hydrogen, the hydroxymethylene group --CH.sub.2 OH or the hydroxy-hydroxymethylene-methylidyne group --CH(OH)(CH.sub.2 OH), andR.sup.4 denotes hydrogen, a halogen atom, a nitro or cyano group, an aliphatic group having from 1 to 30 carbon atoms, an optionally substituted aryl group, an optionally substituted aralkyl group, an optionally substituted heteroaryl group, an alkoxy group --OR.sup.5, a thioether group --SR.sup.6, an amino group --NR.sup.7 R.sup.8, an acyl group --COR.sup.9 or an ester group --COOR.sup.10, where R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 stand for radicals such as those stated above for R.sup.1, and R.sup.10 is a C.sub.1 -C.sub.30 alkyl group or an optionally substituted aryl or aralkyl group, orR.sup.3 and R.sup.4 together form a C.sub.3 -C.sub.5 alkylene or C.sub.3 -C.sub.5 alkenylene group or a C.sub.6 -C.sub.14 arylene group, or a C.sub.7 -C.sub.14 aralkenylene or C.sub.8 -C.sub.14 aralkenylene bridging member, andA is the equivalent of an anion having one or more negative charges for electrical neutralization of the charge on the triazolium cation.

    摘要翻译: 催化制备甲醛缩合产物的方法,其中使甲醛或形成甲醛的化合物在辅助碱存在下由式I的三唑鎓盐生产的催化剂进行反应, (I)其中R1和R3相同或不同,代表具有1至30个碳原子的脂族基团,任选取代的芳基,任选取代的芳烷基和/或任选取代的杂芳基,R 2表示氢, 羟基亚甲基-CH 2 OH或羟基 - 羟基亚甲基 - 亚甲基基团-CH(OH)(CH 2 OH),R 4表示氢,卤素原子,硝基或氰基,具有1至30个碳原子的脂族基团, 取代的芳基,任选取代的芳烷基,任选取代的杂芳基,烷氧基-OR 5,硫醚基-SR 6,氨基-NR 7 R 8,酰基-COR 9或酯g 其中R 5,R 6,R 7,R 8和R 9为R 1,R 10为C 1 -C 30烷基或任选取代的芳基或芳烷基的基团,或者R 3和R 4一起形成 C 3 -C 5亚烷基或C 3 -C 5亚烯基或C 6 -C 14亚芳基或C 7 -C 14亚链烯基或C 8 -C 14亚烯基亚烷基桥连体,A相当于具有一个或多个负电荷的阴离子,用于电中和 三唑鎓阳离子的电荷。

    Catalytic preparation of condensation products of formaldehyde
    7.
    发明授权
    Catalytic preparation of condensation products of formaldehyde 失效
    催化制备甲醛缩合产物

    公开(公告)号:US5386062A

    公开(公告)日:1995-01-31

    申请号:US117314

    申请日:1993-09-07

    CPC分类号: C07C45/75

    摘要: A process for the catalytical preparation of condensation products of formaldehyde, in which formaldehyde or a formaldehyde-forming compound is caused to undergo reaction using a catalyst which has been produced, in the presence of an auxiliary base, from a triazolium salt of formula I ##STR1## in which R.sup.1 and R.sup.3 are the same or different and stand for aliphatic groups having from 1 to 30 carbon atoms, optionally substituted aryl groups, optionally substituted aralkyl groups, and/or optionally substituted heteroaryl groups,R.sup.2 represents hydrogen, the hydroxymethylene group --CH.sub.2 OH or the hydroxy-hydroxymethylene-methylidyne group --CH(OH)(CH.sub.2 OH), andR.sup.4 denotes hydrogen, a halogen atom, a nitro or cyano group, an aliphatic group having from 1 to 30 carbon atoms, an optionally substituted aryl group, an optionally substituted aralkyl group, an optionally substituted heteroaryl group, an alkoxy group --OR.sup.5, a thioether group --SR.sup.6, an amino group --NR.sup.7R R.sup.8, an acyl group --COR.sup.9 or an ester group --COOR.sup.10, where R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 stand for radicals such as those stated above for R.sup.1, and R.sup.10 is a C.sub.1 -C.sub.30 alkyl group or an optionally substituted aryl or aralkyl group, orR.sup.3 and R.sup.4 together form a C.sub.3 -C.sub.5 alkylene or C.sub.3 -C.sub.5 alkenylene group or a C.sub.6 -C.sub.14 arylene group, or a C.sub.7 -C.sub.14 aralkylene or C.sub.8 -C.sub.14 aralkenylene bridging member, andA is the equivalent of an anion having one or more negative charges for electrical neutralization of the charge on the triazolium cation.

    摘要翻译: 催化制备甲醛缩合产物的方法,其中使甲醛或形成甲醛的化合物在辅助碱存在下由式I的三唑鎓盐生产的催化剂进行反应, (I)其中R1和R3相同或不同,代表具有1至30个碳原子的脂族基团,任选取代的芳基,任选取代的芳烷基和/或任选取代的杂芳基,R 2表示氢, 羟基亚甲基-CH 2 OH或羟基 - 羟基亚甲基 - 亚甲基基团-CH(OH)(CH 2 OH),R 4表示氢,卤素原子,硝基或氰基,具有1至30个碳原子的脂族基团, 取代的芳基,任选取代的芳烷基,任选取代的杂芳基,烷氧基-OR 5,硫醚基-SR 6,氨基-NR 7 R R 8,酰基-COR 9或酯 基团-COOR 10,其中R 5,R 6,R 7,R 8和R 9代表如上对R 1所述的基团,R 10是C 1 -C 30烷基或任选取代的芳基或芳烷基,或者R 3和R 4一起形成 C 3 -C 5亚烷基或C 3 -C 5亚烯基或C 6 -C 14亚芳基或C 7 -C 14亚烷基或C 8 -C 14亚烯基亚烷基桥连基团,A相当于具有一个或多个负电荷的阴离子,用于电中和电荷 三唑鎓阳离子。

    Preparation of benzo[b]thiophenes
    8.
    发明授权
    Preparation of benzo[b]thiophenes 失效
    苯并[b]噻吩的制备

    公开(公告)号:US5292894A

    公开(公告)日:1994-03-08

    申请号:US18499

    申请日:1993-02-17

    CPC分类号: C07D333/54 C07C319/14

    摘要: A process for the preparation of benzo[b]thiophenes of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 independently denote hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, nitro, cyano, halo, C.sub.1 -C.sub.4 alkylcarbonyl, benzoyl, C.sub.1 -C.sub.4 alkylcarbonylamino, benzoylamino,N-(C.sub.1 -C.sub.4 alkyl)phenylamino, C.sub.1 -C.sub.4 alkoxycarbonyl, C.sub.1 -C.sub.4 alkylsulfonyl, phenylsulfonyl, aminosulfonyl, aminocarbonyl, C.sub.1 -C.sub.4 phenylalkyl and nitrobenzyl or R.sup.1 +R.sup.2 or R.sup.2 +R.sup.3 or R.sup.3 +R.sup.4 denote a butadienediyl chain optionally substituted by R.sup.1 to R.sup.4, in whicha) thiophenols of the general formula II ##STR2## in which the substituents R.sup.1 to R.sup.4 have the aforementioned meanings, are reacted with chloroacetaldehyde at a temperature ranging from 0.degree. to 150.degree. C. andb) the resulting (arylthio)acetaldehydes of the general formula III ##STR3## in which the substituents R.sup.1 to R.sup.4 have the aforementioned meanings, are cyclized by passing them into polyphosphoric acid or a mixture of phosphoric acid and phosphorus pentoxide at a temperature ranging from 100.degree. to 300.degree. C. and a pressure ranging from 0.001 to 1 bar.

    摘要翻译: 制备通式Ⅰ(I)的苯并[b]噻吩的方法,其中R 1,R 2,R 3,R 4独立地表示氢,C 1 -C 4烷基,C 1 -C 4烷氧基,C 1 -C 4卤代烷基, 硝基,氰基,卤素,C 1 -C 4烷基羰基,苯甲酰基,C 1 -C 4烷基羰基氨基,苯甲酰氨基,N-(C 1 -C 4烷基)苯基氨基,C 1 -C 4烷氧基羰基,C 1 -C 4烷基磺酰基,苯基磺酰基,氨基磺酰基,氨基羰基,C 1 -C 4苯基 并且硝基苄基或R 1 + R 2或R 2 + R 3或R 3 + R 4表示任选被R 1至R 4取代的亚乙二基链,其中a)通式II的苯硫酚(II),其中取代基R 1至R 4具有 上述含义与氯乙醛在0℃至150℃的温度下反应,和b)得到的通式III(III)的(芳硫基)乙醛其中取代基R 1至R 4具有上述含义 通过将它们聚合成多磷酸或磷酸和磷的戊氧基化合物的混合物而环化 在100℃至300℃的温度和0.001至1巴的压力范围内。

    Preparation of pyrimidines
    9.
    发明授权
    Preparation of pyrimidines 失效
    嘧啶的制备

    公开(公告)号:US5362875A

    公开(公告)日:1994-11-08

    申请号:US75041

    申请日:1993-06-10

    IPC分类号: C07D239/26

    CPC分类号: C07D239/26

    摘要: A process for preparing pyrimidines of the formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.8 -alkyl, C.sub.7 -C.sub.12 -aralkyl or phenyl andR.sup.2, R.sup.3 and R.sup.4 are each, independently of one another, hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.7 -C.sub.12 -aralkyl or phenyl,entails reacting nitriles of the formula IIR.sup.1 -C.tbd.N (II)where R.sup.1 has the abovementioned meaning, with 1,3-diaminopropanes of the formula III ##STR2## where R.sup.2 to R.sup.4 have the abovementioned meanings, in the presence of copper(II) acetate at from 150.degree. to 250.degree. C. to give the tetrahydropyrimidine of the formula IV ##STR3## where R.sup.1 to R.sup.4 have the abovementioned meanings, and dehydrogenating the tetrahydropyrimidine of the formula IV with Raney nickel at from 150.degree. to 300.degree. C. to give the pyrimidine of the formula I.

    摘要翻译: 制备式I的嘧啶的方法其中R1是C1-C8-烷基,C7-C12-芳烷基或苯基,R2,R3和R4彼此独立地是氢,C1-C8 - 烷基,C 7 -C 12 - 芳烷基或苯基,其中R1具有上述含义的式II R 1 -C 3 NON(II)的腈与式III的1,3-二氨基丙酸反应(III)其中 R2至R4具有上述含义,在150-250℃的乙酸铜(II)存在下,得到式IV的四氢嘧啶,其中R 1至R 4具有上述含义,以及 在150℃至300℃下用阮内镍将式IV的四氢嘧啶脱氢,得到式I的嘧啶。

    2-tert-amyl compounds
    10.
    发明授权
    2-tert-amyl compounds 失效
    2-叔戊基化合物

    公开(公告)号:US5354937A

    公开(公告)日:1994-10-11

    申请号:US129333

    申请日:1993-09-30

    摘要: Tert-amyl compounds of the general formula I ##STR1## and novel processes for preparing 2-tert-amylbutadiene by dehydrating 3,4,4-trimethylhex-1-en-3-ol at from 100.degree. to 350.degree. C. and from 0.01 to 50 bar on acidic catalysts, its preparation by partially hydrogenating 3,4,4-trimethyl-hex-1-yn-03-ol at from 0.degree. to 50.degree. C. and from 0.01 to 50 bar and its preparation by reacting tert-amyl methyl ketone (3,3-dimethylpentan-2-one) with acetylene in the presence of basic catalysts at from 0.degree. to 60.degree. C. and from 0.01 to 50 bar, and also the preparation of 2-tert-amylanthraquinone by reacting 2-tert-amylbutadiene with 1,4-naphthoquinone at from 20.degree. to 200.degree. C. and from 0.01 to 50 bar to give 2-tert-amyl-1,4,4a,9a-tetrahydroanthraquinone and then oxidizing the latter in the presence of a strong base at from 0.degree. to 50.degree. C. are described.

    摘要翻译: 通式I的叔戊基化合物(I)< IMAGE>&IMAGE>和通过使3,4,4-三甲基己-1-烯-3-醇脱水制备2-叔戊基丁二烯的新方法 在酸性催化剂上为100〜350℃,0.01〜50巴,在0〜50℃下部分氢化3,4,4-三甲基 - 己-1-炔-3-醇, 0.01〜50巴,在0〜60℃,0.01〜50巴的碱性催化剂存在下,使叔戊基甲基酮(3,3-二甲基戊-2-酮)与乙炔反应制备, 还可以通过使2-叔戊基丁二烯与1,4-萘醌在20〜200℃和0.01〜50巴反应制备2-叔戊基-1,4,4a ,9a-四氢蒽醌,然后在0〜50℃的强碱存在下氧化后者。