MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE synthesis
- Product Name:MESO-BUTANE-1,2,3,4-TETRACARBOXYLIC DIANHYDRIDE
- CAS Number:4534-73-0
- Molecular formula:C8H6O6
- Molecular Weight:198.13
4534-68-3
41 suppliers
$17.00/25g
4534-73-0
74 suppliers
$727.64/500MG
Yield:4534-73-0 87.3%
Reaction Conditions:
with acetic anhydride in 1,4-dioxane at 40; for 3 h;Inert atmosphere;Large scale;Temperature;Solvent;
Steps:
1-4
Butadiene tetracarboxylic acid(1 · 03kg, 4 · 4mol),Acetic anhydride (1 · 08kg, 10 · 56mol),Dioxane (4kg, 45.4mol) was placed in the reactor,In a nitrogen atmosphere, the reaction temperature is controlled at 40 ° C.After reacting for 40 minutes, a white solid was continuously precipitated in the solution.After 3 hours, the reaction was completed, filtered, washed with acetic acid and dried in vacuo.987.3 g of a white solid powder was obtained in a yield of 87.3%
References:
CN108586398,2018,A Location in patent:Page/Page column 4-6
85-43-8
206 suppliers
$145.00/10g
4534-73-0
74 suppliers
$727.64/500MG