RU2015139624A - METHOD FOR COLLABORATING 2,3-DIALKYL-2-CYCLOGEPTEN-1-ONES AND 2,3-DIALKYL-2-CYCLOGEPTEN-1,4-DIONES - Google Patents

METHOD FOR COLLABORATING 2,3-DIALKYL-2-CYCLOGEPTEN-1-ONES AND 2,3-DIALKYL-2-CYCLOGEPTEN-1,4-DIONES Download PDF

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RU2015139624A
RU2015139624A RU2015139624A RU2015139624A RU2015139624A RU 2015139624 A RU2015139624 A RU 2015139624A RU 2015139624 A RU2015139624 A RU 2015139624A RU 2015139624 A RU2015139624 A RU 2015139624A RU 2015139624 A RU2015139624 A RU 2015139624A
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dialkyl
cyclogepten
diones
ones
collaborating
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RU2015139624A
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Russian (ru)
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RU2624904C2 (en
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Лейла Османовна Хафизова
Мария Геннадьевна Шайбакова
Нури Мамедеевич Чобанов
Усеин Меметович Джемилев
Татьяна Викторовна Тюмкина
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Федеральное государственное бюджетное учреждение науки Институт нефтехимии и катализа Российской академии наук
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/004—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with organometalhalides

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Claims (3)

Способ совместного получения 2,3-диалкил-2-циклогептен-1-онов (1) и 2,3-диалкил-2-циклогептен-1,4-дионов (2) общей формулы (1) и (2):The method of co-production of 2,3-dialkyl-2-cyclohepten-1-ones (1) and 2,3-dialkyl-2-cycloheptene-1,4-diones (2) of the general formula (1) and (2):
Figure 00000001
Figure 00000001
 отличающийся тем, что диалкилацетилены общей формулы R-C≡C-R, где R = С3Н7, С4Н9, подвергают взаимодействию с метиловым эфиром глутаровой кислоты в присутствии магния (Mg, порошок) и катализатора Cp2TiCl2, при мольном соотношении RC≡CR : CH3CO2(СН2)3CO2CH3 : EtAlCl2 : Mg : Cp2TiCl2 = 10:20:(40-60):(40-60):(1.8-2.2), реакцию проводят в тетрагидрофуране в атмосфере аргона при 60°C и атмосферном давлении в течение 4-8 ч.characterized in that the dialkylacetylenes of the general formula RC≡CR, where R = C 3 H 7 , C 4 H 9 , are reacted with glutaric acid methyl ester in the presence of magnesium (Mg, powder) and a Cp 2 TiCl 2 catalyst, in a molar ratio of RC ≡CR: CH 3 CO 2 (CH 2 ) 3 CO 2 CH 3 : EtAlCl 2 : Mg: Cp 2 TiCl 2 = 10:20: (40-60) :( 40-60) :( 1.8-2.2), reaction carried out in tetrahydrofuran in an argon atmosphere at 60 ° C and atmospheric pressure for 4-8 hours
RU2015139624A 2015-09-17 2015-09-17 Method of joint recovery of 2,3-dialkyl-2-cycloheptene-1-ones and 2,3-dialkyl-2-cycloheptene-1,4-diones RU2624904C2 (en)

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RU2015139624A RU2624904C2 (en) 2015-09-17 2015-09-17 Method of joint recovery of 2,3-dialkyl-2-cycloheptene-1-ones and 2,3-dialkyl-2-cycloheptene-1,4-diones

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RU2015139624A RU2624904C2 (en) 2015-09-17 2015-09-17 Method of joint recovery of 2,3-dialkyl-2-cycloheptene-1-ones and 2,3-dialkyl-2-cycloheptene-1,4-diones

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* Cited by examiner, † Cited by third party
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JPS59219246A (en) * 1983-05-30 1984-12-10 Suntory Ltd Cycloheptenone derivative
JPS6317841A (en) * 1986-07-10 1988-01-25 Hinoki Shinyaku Kk Synthesis of 7-membered ring ketone compound from 6-membered ring ketone compound

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