RU2016100787A - METHOD FOR JOINT OBTAINING CIS, TRANS- 2,3-DIALKYL-2-CYCLOOSTEN-1-ONES - Google Patents

METHOD FOR JOINT OBTAINING CIS, TRANS- 2,3-DIALKYL-2-CYCLOOSTEN-1-ONES Download PDF

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RU2016100787A
RU2016100787A RU2016100787A RU2016100787A RU2016100787A RU 2016100787 A RU2016100787 A RU 2016100787A RU 2016100787 A RU2016100787 A RU 2016100787A RU 2016100787 A RU2016100787 A RU 2016100787A RU 2016100787 A RU2016100787 A RU 2016100787A
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dialkyl
trans
ones
cycloosten
obtaining cis
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RU2016100787A
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RU2664661C2 (en
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Лейла Османовна Хафизова
Мария Геннадьевна Шайбакова
Нури Мамедеевич Чобанов
Усеин Меметович Джемилев
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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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms

Claims (3)

Способ совместного получения цис-, транс-2,3-диалкил-2-циклооктен-1-онов общей формулы (1)The method of co-production of cis-, trans-2,3-dialkyl-2-cycloocten-1-ones of the general formula (1)
Figure 00000001
Figure 00000001
 характеризующийся тем, что диалкилацетилены общей формулы R-C≡C-R, где R=С3Н7, С4Н9, подвергают взаимодействию с двукратным избытком метилового эфира адипиновой кислоты CH3CO2(CH2)4CO2CH3 и EtAlCl2 в присутствии магния (Mg, порошок) и катализатора Cp2TiCl2, реакцию проводят при мольном соотношении RC≡CR:CH3CO2(CH2)4CO2CH3:EtAlCl2:Mg:Cp2TiCl2=10:20:(40-60):(40-60):(1.8-2.2), 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 a twofold excess of adipic acid methyl ester CH 3 CO 2 (CH 2 ) 4 CO 2 CH 3 and EtAlCl 2 in in the presence of magnesium (Mg, powder) and a Cp 2 TiCl 2 catalyst, the reaction is carried out at a molar ratio of RC≡CR: CH 3 CO 2 (CH 2 ) 4 CO 2 CH 3 : EtAlCl 2 : Mg: Cp 2 TiCl 2 = 10: 20 : (40-60) :( 40-60) :( 1.8-2.2), in tetrahydrofuran in an argon atmosphere at 60 ° C and atmospheric pressure for 4-8 hours.
RU2016100787A 2016-01-12 2016-01-12 2,3-dialkyl-2-cyclooctene-1-one preparation process RU2664661C2 (en)

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MX356142B (en) * 2012-06-13 2018-05-16 Basf Se Method for producing macrocyclic ketones.
RU2565789C1 (en) * 2014-04-08 2015-10-20 Федеральное Государственное Бюджетное Учреждение Науки Институт Нефтехимиии И Катализа Российской Академии Наук Method of producing 2,3-dialkyl-1,4-dicyclopropyl-1,4-butanediones

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