1,3-DIISOPROPENYLBENZENE synthesis
- Product Name:1,3-DIISOPROPENYLBENZENE
- CAS Number:3748-13-8
- Molecular formula:C12H14
- Molecular Weight:158.24
1999-85-5
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$48.00/25g
3748-13-8
97 suppliers
$14.00/25g
Yield:-
Reaction Conditions:
sulfuric acid in 4-methyl-2-pentanone at 90; under 760.051 Torr; for 0.666667 h;Product distribution / selectivity;
Steps:
2
Example 2; The same operation was repeated except that the filtrate was subjected to decomposition together with the concentrated liquid (A) instead of subjecting the filtrate to rectification. A mixture of 47 parts by weight of the concentrated solution (Z) and 53 parts by weight of the filtrate was subjected to acidolysis reaction. The reaction was carried out in the presence of concentrated sulfuric acid as a catalyst of 0.1% by weight under ordinary pressure at a temperature of 90° C. for 40 minutes, thereafter, a liquid (A) containing OST and DST was obtained through a neutralization treatment. Through rectification separation of the liquid (A), acetone (purity: higher than 99%) and a boiler fuel were isolated whereby precipitation of DCA could be prevented, further MIBK as a solvent was recovered.
References:
SUMITOMO CHEMICAL COMPANY, LIMITED US2007/197838, 2007, A1 Location in patent:Page/Page column 4
6781-42-6
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1779-49-3
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3748-13-8
97 suppliers
$14.00/25g