SU793981A1 - Method of preparing 1,1-dimethoxy-3-chloropropane - Google Patents

Method of preparing 1,1-dimethoxy-3-chloropropane Download PDF

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Publication number
SU793981A1
SU793981A1 SU792754339A SU2754339A SU793981A1 SU 793981 A1 SU793981 A1 SU 793981A1 SU 792754339 A SU792754339 A SU 792754339A SU 2754339 A SU2754339 A SU 2754339A SU 793981 A1 SU793981 A1 SU 793981A1
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USSR - Soviet Union
Prior art keywords
dimethoxy
chloropropane
mol
preparing
methanol
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SU792754339A
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Russian (ru)
Inventor
Дилюс Лутфуллич Рахманкулов
Урал Булатович Имашев
Семен Соломонович Злотский
Вера Николаевна Узикова
Соломон Наумович Злотский
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Уфимский Нефтяной Институт
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Priority to SU792754339A priority Critical patent/SU793981A1/en
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Publication of SU793981A1 publication Critical patent/SU793981A1/en

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

Description

СгН«О.Се.SgN "O.Se.

Вычислено, %: с 43,35; Н 8,01.Calculated,%: with 43.35; H 8.01.

ИК спектр ( ),): 1155,1125, 1060. Спектр ЯМР (и, м.д.): 2, секстех (2Н); 3,25, секстет (6Н) , 3,5, триплет (2Н); 4,5, триплет (IH).IR spectrum (),): 1155.1125, 1060. NMR spectrum (and, ppm): 2, sextech (2H); 3.25, sextet (6H), 3.5, triplet (2H); 4,5, triplet (IH).

Пример 2. Аналогично примеру 1 используют смесь 2,5 моль (80 г безводного метанола, 0,6 моль (45,6 г)диметоксиметана и 1,5 моль (84 г)акролеина. Получают 186 г СвыхоД 90%) 1,1-диметокси-З-хлорпрогтана .Example 2. Analogously to example 1, a mixture of 2.5 mol (80 g of anhydrous methanol, 0.6 mol (45.6 g) of dimethoxymethane and 1.5 mol (84 g) of acrolein is used. 186 g of Svyhod 90%) are obtained 1.1 -dimethoxy-3-chlorprogtana.

Пример 3. Аналогично примеру 1 используют смесь 2,5 моль (80 г)везводного метанола, 0,8 моль (60,8 г) диметоксиметана и 1,5 моль (84 г) акролеина. Получают 184 г (выход 89 %) 1,1-диметокси-З-хлорпропана .Example 3. Analogously to example 1, a mixture of 2.5 mol (80 g) of hydrated methanol, 0.8 mol (60.8 g) of dimethoxymethane and 1.5 mol (84 g) of acrolein is used. 184 g (yield 89%) of 1,1-dimethoxy-3-chloropropane are obtained.

Пример 4. Аналогично пркмуру 1 используют смесь 2,5 моль (80 г безводного метанола, 1,25 моль (95 г) диметоксиметана и 1,5 моль (84 г) акролеина. Получают 176 гExample 4. Similarly to PREMU 1, a mixture of 2.5 mol (80 g of anhydrous methanol, 1.25 mol (95 g) of dimethoxymethane and 1.5 mol (84 g) of acrolein is used. Obtain 176 g

СБЫХОД 85 %) 1,l-димeтoкcи-3-xлopпpoпaнa , SALES 85%) 1, l-dimethoxy-3-chloropropane,

Формула иаобретени Invention Formula

Способ получени  1,1-диметокси-З-хлорпропана алкилированием акролеина в присутствии газообразного хлористого водорода при температуре (-) 10-20с с использованием метанола с последующим гидролизом хлористым аммонием и гидроокисью аммони ,о тличающийс  тем, что, с целью увеличени  выхода, алкнлирование ведут метанолом в смеси с диметоксиметаном при соотношении , равном 2:1-5:1,The method of obtaining 1,1-dimethoxy-3-chloropropane by alkylation of acrolein in the presence of gaseous hydrogen chloride at a temperature of (-) 10-20 ° C using methanol followed by hydrolysis with ammonium chloride and ammonium hydroxide, which is characterized by alklylation lead methanol in a mixture with dimethoxymethane at a ratio equal to 2: 1-5: 1,

Источники информации, прин тые во внимание при экспертизеSources of information taken into account in the examination

1, J.P. Galy Reaction de сусП - sation des acetals -halonenes: preparation d alcoxy eye I opropanes , Bull. Soc.Chim. Fr, 12, 1971, 4582-4587 (прототип).1, J.P. Galy Reaction de Sus - sation des acetals-halonenes: preparation d alcoxy eye I opropanes, Bull. Soc.Chim. Fr. 12, 1971, 4582-4587 (prototype).

Claims (1)

Формула изобретенияClaim Способ получения 1,1-диметокси-3The method of obtaining 1,1-dimethoxy-3 -хлорпропана алкилированием акролеина в присутствии газообразного хлористого водорода при температуре (-) 10-20°С с использованием метанола с последующим гидролизом хлористым аммонием и гидроокисью аммония, о тличающийся тем, что, с целью увеличения выхода, алкилирование ведут метанолом в 15 смеси с диметоксиметаном при соотношении, равном 2:1-5:1.-chloropropane by alkylation of acrolein in the presence of gaseous hydrogen chloride at a temperature of (-) 10-20 ° C using methanol followed by hydrolysis with ammonium chloride and ammonium hydroxide, characterized in that, in order to increase the yield, the alkylation is carried out with methanol in a mixture of 15 with dimethoxymethane with a ratio of 2: 1-5: 1.
SU792754339A 1979-01-23 1979-01-23 Method of preparing 1,1-dimethoxy-3-chloropropane SU793981A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792754339A SU793981A1 (en) 1979-01-23 1979-01-23 Method of preparing 1,1-dimethoxy-3-chloropropane

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Application Number Priority Date Filing Date Title
SU792754339A SU793981A1 (en) 1979-01-23 1979-01-23 Method of preparing 1,1-dimethoxy-3-chloropropane

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SU793981A1 true SU793981A1 (en) 1981-01-07

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