RU2002123632A - METHOD FOR COLLABORATING 1,1,3-TRIALKYL-1,5-PENTADIOLS AND 1,1,4-TRIALKyl-1,5-PENTANEDIOLS - Google Patents

METHOD FOR COLLABORATING 1,1,3-TRIALKYL-1,5-PENTADIOLS AND 1,1,4-TRIALKyl-1,5-PENTANEDIOLS

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Publication number
RU2002123632A
RU2002123632A RU2002123632/04A RU2002123632A RU2002123632A RU 2002123632 A RU2002123632 A RU 2002123632A RU 2002123632/04 A RU2002123632/04 A RU 2002123632/04A RU 2002123632 A RU2002123632 A RU 2002123632A RU 2002123632 A RU2002123632 A RU 2002123632A
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RU
Russia
Prior art keywords
trialkyl
pentanediols
pentadiols
collaborating
zrcl
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RU2002123632/04A
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Russian (ru)
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RU2235711C2 (en
Inventor
Усеин Меметович Джемилев
Асхат Габдрахманович Ибрагимов
Лейла Османовна Хафизова
Дина Фаритовна Ялалова
Райхана Валиулловна Кунакова
Вазиль Ханифович Ханов
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ГУ Институт нефтехимии и катализа АН РБ и УНЦ РАН
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Priority to RU2002123632/04A priority Critical patent/RU2235711C2/en
Priority claimed from RU2002123632/04A external-priority patent/RU2235711C2/en
Publication of RU2002123632A publication Critical patent/RU2002123632A/en
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Publication of RU2235711C2 publication Critical patent/RU2235711C2/en

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Claims (1)

Способ совместного получения 1,1,3-триалкил-1,5-пентандиолов и 1,1,4-триалкил-1,5-пентандиолов общей формулыThe method of co-production of 1,1,3-trialkyl-1,5-pentanediols and 1,1,4-trialkyl-1,5-pentanediols of the general formula
Figure 00000001
Figure 00000002
Figure 00000001
Figure 00000002
 где значения R, R1 и R2 в формулах (1) и (2) одинаковые и выбираются из R=н-С4Н9, н-С6Н13, R1=СН3, С2Н5, R2=C2H5, н-C4H9, отличающийся тем, что проводят в атмосфере инертного газа взаимодействие α-олефина общей формулы
Figure 00000003
, где R=н-C4H9, н-С6Н13, с триэтилалюминием в присутствии катализатора - цирконацендихлорида (Cp2ZrCl2) в мольном соотношении
Figure 00000004
:AlEt3:Cp2ZrCl2=10:(10-14):(0,3-0,7) при комнатной температуре, затем охлаждение реакционной смеси, добавление катализатора - однохлористой меди и кетона формулы R1C(O)R2, R1=СН3, С2Н5, R2=C2H5, н-C4H9, в мольном соотношении CuCl:R1C(O)R2=(0,8-1,2):(10-14), и перемешивание при комнатной температуре с последующим окислением реакционной массы и гидролизом.where the values of R, R 1 and R 2 in formulas (1) and (2) are the same and are selected from R = n-C 4 H 9 , n-C 6 H 13 , R 1 = CH 3 , C 2 H 5 , R 2 = C 2 H 5 , n-C 4 H 9 , characterized in that they carry out the interaction of an α-olefin of the general formula in an inert gas atmosphere
Figure 00000003
where R = n-C 4 H 9 , n-C 6 H 13 , with triethylaluminum in the presence of a catalyst - zirconacene dichloride (Cp 2 ZrCl 2 ) in a molar ratio
Figure 00000004
: AlEt 3 : Cp 2 ZrCl 2 = 10: (10-14) :( 0.3-0.7) at room temperature, then cooling the reaction mixture, adding a catalyst of copper monochloride and a ketone of the formula R 1 C (O) R 2 , R 1 = CH 3 , C 2 H 5 , R 2 = C 2 H 5 , n-C 4 H 9 , in a molar ratio of CuCl: R 1 C (O) R 2 = (0.8-1.2 ) :( 10-14), and stirring at room temperature, followed by oxidation of the reaction mass and hydrolysis.
RU2002123632/04A 2002-09-04 2002-09-04 Method for combined preparing 1,1,3-trialkyl-1,5-pentanediols and 1,1,4-trialkyl-1,5-pentanediols RU2235711C2 (en)

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RU2002123632/04A RU2235711C2 (en) 2002-09-04 2002-09-04 Method for combined preparing 1,1,3-trialkyl-1,5-pentanediols and 1,1,4-trialkyl-1,5-pentanediols

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RU2002123632/04A RU2235711C2 (en) 2002-09-04 2002-09-04 Method for combined preparing 1,1,3-trialkyl-1,5-pentanediols and 1,1,4-trialkyl-1,5-pentanediols

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RU2235711C2 RU2235711C2 (en) 2004-09-10

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