SU793981A1 - Method of preparing 1,1-dimethoxy-3-chloropropane - Google Patents
Method of preparing 1,1-dimethoxy-3-chloropropane Download PDFInfo
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- 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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- SU
- USSR - Soviet Union
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- dimethoxy
- chloropropane
- mol
- preparing
- methanol
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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)
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 |
Applications Claiming Priority (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 |
Publications (1)
Publication Number | Publication Date |
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SU793981A1 true SU793981A1 (en) | 1981-01-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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SU792754339A SU793981A1 (en) | 1979-01-23 | 1979-01-23 | Method of preparing 1,1-dimethoxy-3-chloropropane |
Country Status (1)
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SU (1) | SU793981A1 (en) |
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1979
- 1979-01-23 SU SU792754339A patent/SU793981A1/en active
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