FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing isocamphylphenols which are widely used in different industries as antioxidants and stabilisers. The method involves alkylation of monohydric phenols with camphene as terpene while heating to temperature not lower than 100°C. The catalyst of the process is montmorillonite KSF which is taken in amount of 50-200% of the weight of the initial phenol. The molar ratio of phenol to camphene is equal to 1:1-2.
EFFECT: method increases selectivity of the process and increases output of isocamphylphenols.
1 tbl, 4 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING 2,6-DIISOBORNYL-4-METHYLPHENOL | 2008 |
|
RU2394807C2 |
| METHOD OF PRODUCING ISOBORNYL PHENOL ESTERS | 2010 |
|
RU2448083C2 |
| METHOD OF PRODUCING 2,6-DIISOBORNYL-4-METHYLPHENOL | 2012 |
|
RU2485090C1 |
| METHOD FOR PREPARING ORTHO-TERPENOPHENOLS | 2003 |
|
RU2233262C1 |
| METHOD OF OBTAINING DICYCLIC TERPENCYCLOHEXANOL MIXTURE CONTAINING DICYCLIC 3-TERPENCYCLOHEXANOL | 0 |
|
SU644770A1 |
| 2,6-DIISOBORNYLPHENOLS | 2011 |
|
RU2502719C2 |
| METHOD FOR PRODUCTION OF N-ISOBORNYLANILINE | 2022 |
|
RU2785185C1 |
| METHOD OF PHENOL ALKYLATION WITH TERPENE ALCOHOLS | 2007 |
|
RU2341511C1 |
| PROCESS FOR PREPARING ISOBORNYL-PHENYL AND/OR ISOCAMYL-PHENYL ESTERS | 0 |
|
SU1127883A1 |
| METHOD FOR SELECTIVE PREPARING ORTHO-ALKYLPHENOLS | 2002 |
|
RU2256644C1 |
