FIELD: industrial organic synthesis. SUBSTANCE: γ-butyrolactone is prepared by gas-phase conversion of 2,5-dihydrofuran or 2,3-dihydrofuran or their mixture in presence of water and, optionally, hydrogen at elevated temperatures on hydrogenation catalyst. EFFECT: increased economical efficiency. 10 cl, 9 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PRODUCTION OF 1,4-BUTANEDIOL | 1995 |
|
RU2147298C1 |
| METHOD OF SYNTHESIS OF 1,4-BUTANEDIOL | 1994 |
|
RU2119905C1 |
| METHOD OF HYDROGENATION DIHYDROFURANES TO TETRAHYDROFURANES | 1996 |
|
RU2168505C2 |
| METHOD OF PREPARING ALIPHATIC ALPHA, OMEGA-AMINOTRILES | 1995 |
|
RU2154630C2 |
| METHOD OF PREPARING ALIPHATIC ALPHA, OMEGA AMINONITRILES IN GAS PHASE | 1995 |
|
RU2154631C2 |
| METHOD OF PRODUCING N-BUTYRALDEHYDE AND/OR N-BUTANOL | 1995 |
|
RU2135456C1 |
| METHOD OF CONTINUOUS PURIFICATION OF RAW CAPROLACTAM PREPARED BY REACTING 6-AMINOCAPRONITRILE WITH WATER | 1995 |
|
RU2159234C2 |
| METHOD OF SIMULTANEOUSLY PREPARING CAPROLACTAM AND HEXAMETHYLENE DIAMINE | 1995 |
|
RU2153493C2 |
| METHOD OF PREVENTING PRECIPITATION OF FUMARIC ACID WHEN PRODUCING MALEIC ACID ANHYDRIDE | 2007 |
|
RU2458057C2 |
| METHOD OF PREPARING ALIPHATIC ALPHA AND OMEGA AMINONITRILES | 1995 |
|
RU2153489C2 |
