RU2000123781A - METHOD FOR OBTAINING A HETEROAROMATIC ALDEHYDE - Google Patents

METHOD FOR OBTAINING A HETEROAROMATIC ALDEHYDE

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Publication number
RU2000123781A
RU2000123781A RU2000123781/04A RU2000123781A RU2000123781A RU 2000123781 A RU2000123781 A RU 2000123781A RU 2000123781/04 A RU2000123781/04 A RU 2000123781/04A RU 2000123781 A RU2000123781 A RU 2000123781A RU 2000123781 A RU2000123781 A RU 2000123781A
Authority
RU
Russia
Prior art keywords
alkyl
substituted
catalyst
zero
heteroaromatic compound
Prior art date
Application number
RU2000123781/04A
Other languages
Russian (ru)
Other versions
RU2233271C2 (en
Inventor
Тецуси НИСИЯМА
Такаюки СОДЗИ
Тору НАКАИСИ
Original Assignee
Коеи Кемикал Ко., Лтд.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP10360412A external-priority patent/JP2000178254A/en
Application filed by Коеи Кемикал Ко., Лтд. filed Critical Коеи Кемикал Ко., Лтд.
Publication of RU2000123781A publication Critical patent/RU2000123781A/en
Application granted granted Critical
Publication of RU2233271C2 publication Critical patent/RU2233271C2/en

Links

Claims (5)

1. Способ получения гетероароматического альдегида каталитической реакцией алкил-замещенного гетероароматического соединения с молекулярным кислородом в газовой фазе в присутствии катализатора, включающего использование оксида, содержащего ванадий, фосфор, алюминий и кремний, в качестве катализатора и разбавление части или всего оксида, присутствующего в виде слоя катализатора в реакторе, твердым веществом, инертным для реакции.1. A method of producing a heteroaromatic aldehyde by the catalytic reaction of an alkyl-substituted heteroaromatic compound with molecular oxygen in the gas phase in the presence of a catalyst involving the use of an oxide containing vanadium, phosphorus, aluminum and silicon as a catalyst and diluting some or all of the oxide present as a layer catalyst in the reactor, a solid inert to the reaction. 2. Способ по п. 1, где катализатор является оксидом, представленным формулой (I):
VaPbAlcSidOe
где а, b, с, d и е представляют атомные отношения ванадия, фосфора, алюминия, кремния и кислорода, соответственно, b равно числу от 0,3 до 3, с равно числу от 0 (нуля) до 2, исключая 0 (нуль), d равно числу от 0 (нуль) до 6, исключая 0 (ноль), когда а равно 1, и е определяется атомной валентностью кислорода и атомной валентностью и атомным отношением других элементов.2. A method according to claim 1, wherein the catalyst is an oxide represented by the formula (I):
V a P b Al c Si d O e
where a, b, c, d and e represent atomic ratios of vanadium, phosphorus, aluminum, silicon and oxygen, respectively, b is equal to from 0.3 to 3, with equal to the number from 0 (zero) to 2, except 0 ), d is equal to a number from 0 (zero) to 6, excluding 0 (zero), when a is 1, and e is determined by the atomic valence of oxygen and atomic valence and the atomic ratio of other elements. 3. Способ по п. 1, где твердое вещество, инертное для реакции, представляет собой по меньшей мере одно вещество, выбранное из группы, состоящей из диоксида кремния, оксида алюминия, диоксида кремния-оксида алюминия, карбида кремнии, диатомовой земли и цеолита. 3. The method according to claim 1, wherein the solid inert to the reaction is at least one substance selected from the group consisting of silica, alumina, silica-alumina, silicon carbide, diatomaceous earth, and zeolite. 4. Способ по п. 1, где алкил-замещенное гетероароматическое соединение представляет собой по меньшей мере одно соединение, выбранное из группы, состоящей из алкил-замещенного пиридина, алкил-замещенного пиразина и алкил-замещенного пиримидина. 4. The method according to claim 1, wherein the alkyl-substituted heteroaromatic compound is at least one compound selected from the group consisting of alkyl-substituted pyridine, alkyl-substituted pyrazine and alkyl-substituted pyrimidine. 5. Способ по п. 1, где отношение алкил-замещенного гетероароматического соединения к молекулярному кислороду составляет от 0,4 до 3,0 молей молекулярного кислорода относительно 1 моля алкил-замещенного гетероароматического соединения. 5. The method according to claim 1, wherein the ratio of alkyl-substituted heteroaromatic compound to molecular oxygen is from 0.4 to 3.0 moles of molecular oxygen relative to 1 mole of alkyl-substituted heteroaromatic compound.
RU2000123781/04A 1998-12-18 1999-12-13 Method for preparing heteroaromatic aldehyde RU2233271C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10360412A JP2000178254A (en) 1998-12-18 1998-12-18 Production of heteroaromatic aldehydes
JP10/360412 1998-12-18

Publications (2)

Publication Number Publication Date
RU2000123781A true RU2000123781A (en) 2002-08-10
RU2233271C2 RU2233271C2 (en) 2004-07-27

Family

ID=18469300

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000123781/04A RU2233271C2 (en) 1998-12-18 1999-12-13 Method for preparing heteroaromatic aldehyde

Country Status (9)

Country Link
US (1) US6444815B1 (en)
EP (1) EP1057816B1 (en)
JP (2) JP2000178254A (en)
KR (1) KR20010040989A (en)
CN (1) CN1132815C (en)
DE (1) DE69925716T2 (en)
RU (1) RU2233271C2 (en)
TW (1) TW519540B (en)
WO (1) WO2000037446A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006151863A (en) * 2004-11-29 2006-06-15 Koei Chem Co Ltd Method for stabilizing aqueous aldehydopyridine solution
CN102241624B (en) * 2011-07-15 2012-12-12 浙江大学 Preparation method of pyridine-2-formaldehyde
US11289700B2 (en) 2016-06-28 2022-03-29 The Research Foundation For The State University Of New York KVOPO4 cathode for sodium ion batteries

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE298234C (en)
JPS5410557B2 (en) * 1972-08-21 1979-05-08
DD298234A5 (en) * 1987-11-20 1992-02-13 Akad Wissenschaften PROCESS FOR THE PREPARATION OF AROMATIC AND HETEROAROMATIC ALDEHYDES
DE3927786A1 (en) * 1989-08-23 1991-02-28 Bayer Ag METHOD FOR PRODUCING ALDEHYDES
JP4302793B2 (en) 1997-05-20 2009-07-29 広栄化学工業株式会社 Process for producing heteroaromatic aldehydes

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