SU461925A1 - The method of obtaining 3,3,8,8-tetramethyl 2,7-dioxaspiro (4,4) nonane-1,6 dione - Google Patents
The method of obtaining 3,3,8,8-tetramethyl 2,7-dioxaspiro (4,4) nonane-1,6 dioneInfo
- Publication number
- SU461925A1 SU461925A1 SU1952741A SU1952741A SU461925A1 SU 461925 A1 SU461925 A1 SU 461925A1 SU 1952741 A SU1952741 A SU 1952741A SU 1952741 A SU1952741 A SU 1952741A SU 461925 A1 SU461925 A1 SU 461925A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- dioxaspiro
- nonane
- dione
- tetramethyl
- obtaining
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
3 5,5-диметилбутиролактон подвергают взаимодействию с водным раствором минеральной кислоты при нагревании с последующим выделением целевого продукта известными приемами .5 4 2. Способ по п. 1, отличающийс тем, что в качестве минеральной кислоты иснользуют сол ную кислоту. 3. Способ по пп. 1, 2, отличающийс тем, что процесс ведут при 50-150°С.3 5,5-dimethylbutyrolactone is reacted with an aqueous solution of mineral acid when heated, followed by separation of the target product by known methods .5 4 2. The method of claim 1, characterized in that hydrochloric acid is used as the mineral acid. 3. The method according to paragraphs. 1, 2, characterized in that the process is carried out at 50-150 ° C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1952741A SU461925A1 (en) | 1973-07-25 | 1973-07-25 | The method of obtaining 3,3,8,8-tetramethyl 2,7-dioxaspiro (4,4) nonane-1,6 dione |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1952741A SU461925A1 (en) | 1973-07-25 | 1973-07-25 | The method of obtaining 3,3,8,8-tetramethyl 2,7-dioxaspiro (4,4) nonane-1,6 dione |
Publications (1)
Publication Number | Publication Date |
---|---|
SU461925A1 true SU461925A1 (en) | 1975-02-28 |
Family
ID=20562586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1952741A SU461925A1 (en) | 1973-07-25 | 1973-07-25 | The method of obtaining 3,3,8,8-tetramethyl 2,7-dioxaspiro (4,4) nonane-1,6 dione |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU461925A1 (en) |
-
1973
- 1973-07-25 SU SU1952741A patent/SU461925A1/en active
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