RU2012155394A - METHOD FOR PRODUCING 1,8- {BIS [(PENT-2,4-DION-3-IL) METHYLSULFANIL]} - 3,6-DIOXOACTANE AND 4,4 '- {BIS [(PENT-2,4-DION-3 -Yl) methylsulfanyl]} - diphenyloxide - Google Patents

METHOD FOR PRODUCING 1,8- {BIS [(PENT-2,4-DION-3-IL) METHYLSULFANIL]} - 3,6-DIOXOACTANE AND 4,4 '- {BIS [(PENT-2,4-DION-3 -Yl) methylsulfanyl]} - diphenyloxide Download PDF

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RU2012155394A
RU2012155394A RU2012155394/04A RU2012155394A RU2012155394A RU 2012155394 A RU2012155394 A RU 2012155394A RU 2012155394/04 A RU2012155394/04 A RU 2012155394/04A RU 2012155394 A RU2012155394 A RU 2012155394A RU 2012155394 A RU2012155394 A RU 2012155394A
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dion
pent
bis
methylsulfanyl
dithiol
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Усеин Меметович Джемилев
Внира Рахимовна Ахметова
Наиль Салаватович Ахмедиев
Виталий Александрович Веклов
Рушана Флоридовна Габдрахманова
Асхат Габдрахманович Ибрагимов
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Федеральное государственное бюджетное учреждение науки Институт нефтехимии и катализа Российской академии наук
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Abstract

Способ получения 1,8-{бис[(пент-2,4-дион-3-ил)метилсульфанил]}-3,6-диоксаоктана (1а) и 4,4′-{бис[(пент-2,4-дион-3-ил)метилсульфанил]}-дифенилоксида (1б) общей формулы (1):гдеотличающийся тем, что формальдегид (37%) подвергают взаимодействию с α,ω-дитиолом HS-X-SH, где X - (СН)O(CH)O(СН); n-СН-O-CH-n, и ацетилацетоном в присутствии катализатора AlO/SiOпри мольном соотношении ацетилацетон:CHO:α,ω-дитиол:AlO/SiO=2:2:1:(0.03-0.07) при комнатной температуре (~20°C) и атмосферном давлении в течение 5-7 ч в смеси растворителей хлороформ-этанол (объем. 1:1).The method of obtaining 1,8- {bis [(pent-2,4-dion-3-yl) methylsulfanyl]} - 3,6-dioxoctane (1a) and 4.4 ′ - {bis [(pent-2,4- dion-3-yl) methylsulfanyl]} - diphenyl oxide (1b) of the general formula (1): wherein characterized in that formaldehyde (37%) is reacted with α, ω-dithiol HS-X-SH, where X is (CH) O (CH) O (CH); n-CH-O-CH-n, and acetylacetone in the presence of an AlO / SiO catalyst at a molar ratio of acetylacetone: CHO: α, ω-dithiol: AlO / SiO = 2: 2: 1: (0.03-0.07) at room temperature (~ 20 ° C) and atmospheric pressure for 5-7 hours in a solvent mixture of chloroform-ethanol (volume. 1: 1).

Claims (1)

Способ получения 1,8-{бис[(пент-2,4-дион-3-ил)метилсульфанил]}-3,6-диоксаоктана (1а) и 4,4′-{бис[(пент-2,4-дион-3-ил)метилсульфанил]}-дифенилоксида (1б) общей формулы (1):The method of obtaining 1,8- {bis [(pent-2,4-dion-3-yl) methylsulfanyl]} - 3,6-dioxoctane (1a) and 4.4 ′ - {bis [(pent-2,4- dion-3-yl) methylsulfanyl]} - diphenyl oxide (1b) of the general formula (1):
Figure 00000001
Figure 00000001
 где
Figure 00000002
Figure 00000003
Where
Figure 00000002
Figure 00000003
 отличающийся тем, что формальдегид (37%) подвергают взаимодействию с α,ω-дитиолом HS-X-SH, где X - (СН)2O(CH)2O(СН)2; n-С6Н4-O-C6H4-n, и ацетилацетоном в присутствии катализатора Al2O3/SiO2 при мольном соотношении ацетилацетон:CH2O:α,ω-дитиол:Al2O3/SiO2=2:2:1:(0.03-0.07) при комнатной температуре (~20°C) и атмосферном давлении в течение 5-7 ч в смеси растворителей хлороформ-этанол (объем. 1:1). characterized in that formaldehyde (37%) is reacted with α, ω-dithiol HS-X-SH, where X is (CH) 2 O (CH) 2 O (CH) 2 ; n-C 6 H 4 -OC 6 H 4 -n, and acetylacetone in the presence of an Al 2 O 3 / SiO 2 catalyst at a molar ratio of acetylacetone: CH 2 O: α, ω-dithiol: Al 2 O 3 / SiO 2 = 2 : 2: 1: (0.03-0.07) at room temperature (~ 20 ° C) and atmospheric pressure for 5-7 hours in a solvent mixture of chloroform-ethanol (volume. 1: 1).
RU2012155394/04A 2012-12-19 2012-12-19 Method of producing 1,8-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-3,6-dioxaoctane and 4,4'-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-diphenyl oxide RU2529512C2 (en)

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