FIELD: chemistry.
SUBSTANCE: method consists in condensing butyl carbitol with formaldehyde when heated in the presence of an acid catalyst with a constant distillation of reaction water in the form of azeotrope with a solvent and subsequent neutralisation of the reaction mass. Trioxane is used as a formaldehyde component, and the process is carried out at a molar ratio of butyl carbitol: trioxane 1:0.2 in the presence of 0.4-1.1% of butyl carbitol of 98% sulfuric acid as a catalyst.
EFFECT: simplification of technology.
1 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| 0 |
|
SU477994A1 | |
| METHOD FOR PROCESSING OF HIGH-BOILING BY-PRODUCTS OF TRIMETHYLPROPANE PRODUCTION PROCESS | 2016 |
|
RU2616004C1 |
| PROCESS FOR PRODUCING DICARBOXYLIC ACID ESTERS | 0 |
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| PROCESS FOR PREPARING PENTAERYTHRITE DIFORMAL | 0 |
|
SU1035025A1 |
| METHOD FOR PREPARING 5(6)-AMINO-2-(4'-AMINOPHENYL)-BENZIMIDAZOLE | 2005 |
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| METHOD OF OBTAINING 21,4,41-TRINITROBENZANILIDE | 2006 |
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RU2348612C2 |
| PRODUCTION METHOD FOR TRIOXANE | 2008 |
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RU2359966C1 |
| METHOD FOR PREPARING 4-CHLOROMETHYL-1,3-DI- OXALANE | 2001 |
|
RU2218339C2 |
| METHOD OF SEPARATING TRIOXANE | 0 |
|
SU667555A1 |
| METHOD OF PRODUCING 2-NITRODIPHENYLAMINE | 2010 |
|
RU2447058C1 |
