-
公开(公告)号:US5079367A
公开(公告)日:1992-01-07
申请号:US442725
申请日:1989-11-29
申请人: Wolfgang Hoelderich , Norbert Goetz , Gerd Fouquet
发明人: Wolfgang Hoelderich , Norbert Goetz , Gerd Fouquet
IPC分类号: B01J29/035 , B01J29/40 , B01J29/85 , B01J29/86 , B01J29/87 , B01J29/88 , B01J29/89 , C07B61/00 , C07D213/12
CPC分类号: C07D213/12
摘要: Substituted pyridines of the formula ##STR1## where R.sup.1 is alkyl of 1 to 20 carbon atoms, cycloalkyl, aryl or aralkyl, are prepared by reacting a mixture of acrolein and alkanals of the formula ##STR2## with ammonia in the presence of zeolites as catalysts.
摘要翻译: 其中R 1是1至20个碳原子的烷基,环烷基,芳基或芳烷基的取代的吡啶类是通过在沸石作为催化剂存在下使式ⅩⅧ的丙烯醛和链烷的混合物与氨反应来制备的 。
-
公开(公告)号:US5225602A
公开(公告)日:1993-07-06
申请号:US425372
申请日:1989-10-17
申请人: Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer , Rudolf Kropp , Hans Theobald , Bernd Wolf
发明人: Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer , Rudolf Kropp , Hans Theobald , Bernd Wolf
IPC分类号: C07C47/228 , C07C45/00 , C07C45/41 , C07C45/51 , C07C45/52 , C07C45/54 , C07C45/58 , C07C47/24 , C07C47/277 , C07C67/00 , C07C313/00 , C07C323/22
CPC分类号: C07C47/277 , C07C323/00 , C07C45/41 , C07C45/512 , C07C45/513 , C07C45/52 , C07C45/54 , C07C45/58 , C07C47/24 , Y02P20/582
摘要: Phenylacetaldehydes of the structure (I) ##STR1## where the substituents X are 2,4-dichloro, difluoro, trifluoro, tetrafluoro, p-trifluoromethyl, 2-methyl-4-fluoro, haloalkoxy or haloalkylthio radicals or are adjacent Cl, F, CF.sub.3, alkyl, alkoxy, haloalkoxy and/or haloalkylthio radicals.
摘要翻译: 其中取代基X为2,4-二氯,二氟,三氟,四氟,对三氟甲基,2-甲基-4-氟,卤代烷氧基或卤代烷硫基,或与Cl相邻的苯基乙醛 ,F,CF 3,烷基,烷氧基,卤代烷氧基和/或卤代烷基硫基。
-
公开(公告)号:US4990684A
公开(公告)日:1991-02-05
申请号:US378984
申请日:1989-07-12
CPC分类号: C07C45/58 , C07C45/512 , C07C45/513 , C07C45/52 , C07C45/54 , Y02P20/582
摘要: Phenylacetaldehydes of the general formula I ##STR1## where each of R.sup.1 to R.sup.5 is independently of the others hydrogen, halogen, unsubstituted or halogen-substituted alkyl, alkenyl, alkoxyl, alkylthio or cycloalkyl, are prepared by converting glycidic esters of the general formula II ##STR2## where each of R.sup.1 to R.sup.5 is as defined above and R.sup.6 is tertbutyl or i-propyl, in the presence of zeolites and/or phosphates and/or phosphoric or boric acid on a carrier material and/or acidic metal oxides as catalysts.
摘要翻译: 通式Ⅰ(I)的苯基乙醛通过将式(I)的缩水甘油酯转化成其中R1至R5各自独立地为氢,卤素,未取代或卤素取代的烷基,烯基,烷氧基,烷硫基或环烷基, 在载体材料上的沸石和/或磷酸盐和/或磷酸或硼酸存在下,通式II(II)其中R 1至R 5各自如上所定义,R 6为叔丁基或异丙基,和/ 或酸性金属氧化物作为催化剂。
-
公开(公告)号:US5130435A
公开(公告)日:1992-07-14
申请号:US565180
申请日:1990-08-09
IPC分类号: C07C41/28
CPC分类号: C07C41/28 , Y02P20/582
摘要: Vinyl ethers of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are identical to or different from one another, each being hydrogen, straight-chain or branched alkyl or alkenyl of up to 12 carbon atoms, cycloalkyl or cycloalkylene of from 5 to 8 carbon atoms, aryl, alkylaryl, alkenylaryl, aralkyl and aralkenyl of from 6 to 16 carbon atoms, halogen-substituted aryl or heterocyclyl, and in addition the radicals R.sup.1 and R.sup.2 or R.sup.1 and R.sup.3, together with the carbon atom to which they are bonded, can form a cycloalkane, cycloalkene or a heterocycle, and R.sup.4 is alkyl, alkylaryl or aralkyl, are prepared by eliminating an alcohol from an acetal/ketal of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined above, in the presence of a phosphate of zeolite structure and/or a precipitated phosphate of the elements B, Zr, Ce or Fe and/or phosphoric acid or boric acid on carrier material and/or acidic undoped metal oxide as catalyst, the reaction being preferably carried out in the gas phase.
摘要翻译: 式中,R 1,R 2和R 3彼此相同或不同的乙烯基醚,各自为氢,直至12个碳原子的直链或支链烷基或烯基,5至8的环烷基或亚环烷基 碳原子,芳基,烷基芳基,烯基芳基,芳烷基和具有6至16个碳原子的芳烯基,卤素取代的芳基或杂环基,此外基团R 1和R 2或R 1和R 3与它们所键合的碳原子一起 可以形成环烷烃,环烯烃或杂环,并且R 4是烷基,烷基芳基或芳烷基,通过从式(I)的缩醛/缩酮中除去醇来制备,其中R 1,R 2,R 3和R 4各自如上所定义 在载体材料和/或酸性未掺杂的金属氧化物作为催化剂的沸石结构的磷酸盐和/或元素B,Zr,Ce或Fe和/或磷酸或硼酸的沉淀磷酸盐存在下,反应为 优选在气相中进行。
-
公开(公告)号:US4891451A
公开(公告)日:1990-01-02
申请号:US213589
申请日:1988-06-30
IPC分类号: C07C41/28
CPC分类号: C07C41/28 , C07C2101/14 , Y02P20/582
摘要: Vinyl ethers of the formula (I) ##STR1## where R.sup.1 to R.sup.3 are identical or different and are each hydrogen, a straight-chain or branched alkyl or alkenyl radical of not more than 12 carbon atoms, halogen-substituted alkyl, a cycloalkyl or cycloalkenyl radical of 5 to 8 carbon atoms, an aryl, alkylaryl, alkenylaryl, aralkyl or aralkenyl radical of 6 to 16 carbon atoms, halogen-substituted aryl or a heterocyclic radical and furthermore R.sup.1 and R.sup.2 or R.sup.1 and R.sup.3, together with the carbon atom to which they are bonded, may form a cycloalkane, cycloalkene or heterocyclic structure, and R.sup.4 is alkyl, alkylaryl or aralkyl, are prepared by a process in which an alcohol is eliminated from an acetal or ketal of the formula (II) ##STR2## where R.sup.1 to R.sup.4 have the above meanings, in the presence of borosilicate and/or iron silicate zeolites as catalysts.
摘要翻译: 式(I)的乙烯基醚其中R 1至R 3相同或不同并且各自为氢,不超过12个碳原子的直链或支链烷基或烯基,卤素取代的烷基, 5至8个碳原子的环烷基或环烯基,6至16个碳原子的芳基,烷基芳基,烯基芳基,芳烷基或芳烯基,卤素取代的芳基或杂环基,此外R1和R2或R1和R3连同 其键合的碳原子可以通过其中从式(II)的缩醛或缩酮中除去醇的方法制备环烷烃,环烯烃或杂环结构,并且R 4是烷基,烷基芳基或芳烷基, 在有硼硅酸盐和/或铁硅酸盐沸石作为催化剂的情况下,R1至R4具有上述含义的图像(II)。
-
公开(公告)号:US4812593A
公开(公告)日:1989-03-14
申请号:US82127
申请日:1987-08-06
IPC分类号: C07C45/51 , C07C45/67 , C07C45/71 , C07C47/198 , C07C47/277 , C07C49/175 , C07C49/255 , C07C67/327 , C07C69/708 , C07C69/734 , C07C69/73
CPC分类号: C07C45/71 , C07C45/515 , C07C45/673 , C07C47/198 , C07C47/277 , C07C49/175 , C07C49/255 , C07C67/327
摘要: Bifunctional compounds of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each alkyl of 1 to 6 carbon atoms, R.sup.2 and R.sup.3 may furthermore be hydrogen, R.sup.2 is furthermore alkoxy and R.sup.4 is hydrogen, alkyl of 1 to 6 carbon atoms or alkoxy, and a double bond may be present between carbon atoms 2 and 3, are prepared by converting a tetraalkoxyalkane or a dialkoxyalkanoate of the formulae ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the above meanings, in the presence of a catalyst, such as a zeolite, in particular one of the pentasil type, and/or a phosphate and/or phosphoric acid on a carrier.
摘要翻译: 其中R 1,R 2和R 3各自为1至6个碳原子的烷基,R 2和R 3可以另外为氢,R 2为烷氧基,且R 4为氢,具有1-6个碳原子的烷基或烷氧基 ,并且碳原子2和3之间可以存在双键,通过在催化剂存在下,将式Ia,R2,R3和R4具有上述含义的四烷氧基烷烃或二烷氧基烷酸酯进行转化来制备, 例如沸石,特别是pentasil类中的一种,和/或载体上的磷酸盐和/或磷酸。
-
公开(公告)号:US5081247A
公开(公告)日:1992-01-14
申请号:US449401
申请日:1989-12-19
申请人: Wolfgang Hoelderich , Norbert Goetz
发明人: Wolfgang Hoelderich , Norbert Goetz
IPC分类号: C07D213/08 , C07D213/09 , C07D213/14
CPC分类号: C07D213/08 , C07D213/14 , Y02P20/582
摘要: Pyridines of the formula ##STR1## where the individual radicals R.sup.1 may be identical or different and are each hydrogen or an aliphatic radical are prepared by reactinga) a 2-alkoxy-2,3-dihydro-4H-pyran of the formula ##STR2## or b) a glutaraldehyde of the formula ##STR3## where R.sup.1 has the abovementioned meansings and R.sup.2 is an aliphatic radical, with ammonia in the presence of an acidic, solid catalyst.
摘要翻译: 其中各个基团R 1可以相同或不同并且各自为氢或脂族基团的式(Ⅺ)的吡啶通过使a)2-烷氧基-2,3-二氢-4H-吡喃与 式(II)或b)在酸性固体催化剂的存在下,氨与式(III)的戊二醛,其中R 1具有上述含义并且R 2是脂族基团。
-
公开(公告)号:US4980511A
公开(公告)日:1990-12-25
申请号:US100725
申请日:1987-09-25
IPC分类号: B01J27/16 , B01J27/18 , B01J27/182 , B01J27/185 , B01J29/04 , C07C45/58
CPC分类号: C07C45/58 , B01J27/16 , B01J27/1804 , B01J27/182 , B01J27/1853 , B01J29/04 , Y02P20/582
摘要: Aldehydes and ketones are prepared from epoxides of the formula ##STR1## where R.sup.1 and R.sup.2 are each alkyl, alkenyl, aryl, alkoxy or aralkyl and R.sup.3 has the same meanings or is hydrogen, by a catalytic rearrangement reaction in the presence of various catalysts, in particular zeolites of the pentasil type.
摘要翻译: 醛和酮是由各种催化剂存在下的催化重排反应由式(Ⅰ)的环氧化物制备,其中R 1和R 2各自为烷基,烯基,芳基,烷氧基或芳烷基,R 3具有相同的含义或为氢, 特别是pentasil类型的沸石。
-
公开(公告)号:US4968831A
公开(公告)日:1990-11-06
申请号:US323861
申请日:1989-03-15
IPC分类号: C07C67/313 , C07C69/738 , C07C69/76
CPC分类号: C07C67/313 , C07C69/738
摘要: .alpha.-Ketocarboxylic esters ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical to or different from one another and are each hydrogen or straight-chain or branched alkyl, alkenyl, hydroxyl, alkoxy cycloalkyl or halogen and R.sup.6 is unbranched lower alkyl, are prepared by reacting glycidic esters of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each as defined above, in the presence of zeolites or phosphates and/or phosphoric acid or boric acid on a carrier material and/or acidic metal oxides as catalysts and are used for preparing phenylacetic esters.
摘要翻译: α-酮羧酸酯,其中R 1,R 2,R 3,R 4和R 5彼此相同或不同,各自为氢或直链或支链烷基,烯基,羟基,烷氧基环烷基或卤素,R6为未分支的 烷基,通过在载体上的沸石或磷酸盐和/或磷酸或硼酸的存在下使式(I)的缩水甘油酯反应来制备,其中R 1,R 2,R 3,R 4,R 5和R 6各自如上所定义 材料和/或酸性金属氧化物作为催化剂,并用于制备苯乙酸酯。
-
公开(公告)号:US4960894A
公开(公告)日:1990-10-02
申请号:US278362
申请日:1988-12-01
申请人: Wolfgang Hoelderich , Norbert Goetz
发明人: Wolfgang Hoelderich , Norbert Goetz
IPC分类号: C07D213/12 , C07D213/50 , C07D213/80
CPC分类号: C07D213/80 , C07D213/12 , C07D213/50
摘要: Preparation of substituted pyridines of the general formula (I) ##STR1## by the reaction of acrolein and ammonia with alkanals or ketones of the general formula (II), the acetals of the alkanals,R.sup.2 --CO--CH.sub.2 --CO--R.sup.1 IIwhere R.sup.1 is hydrogen or an alkyl of from 1 to 12 carbon atoms, cycloalkyl, aryl, or arylalkyl and R.sup.2 is an alkyl or alkoxy radical; the reaction is carried out in the presence of zeolites.
摘要翻译: 通过丙烯醛和氨与通式(II)的链烷或酮的反应制备通式(I)的取代吡啶,其中链烷醛,R2-CO-CH2-CO- R1Ⅱ其中R1是氢或1至12个碳原子的烷基,环烷基,芳基或芳基烷基,R2是烷基或烷氧基; 反应在沸石存在下进行。
-
-
-
-
-
-
-
-
-