![](/CAS/GIF/4415-87-6.gif)
Cyclobutane-1,2,3,4-tetracarboxylic dianhydride synthesis
- Product Name:Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
- CAS Number:4415-87-6
- Molecular formula:C8H4O6
- Molecular Weight:196.11
![1,2,3,4-CYCLOBUTANETETRACARBOXYLIC ACID](/CAS/GIF/53159-92-5.gif)
53159-92-5
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$50.00/250mg
![Cyclobutane-1,2,3,4-tetracarboxylic dianhydride](/CAS/GIF/4415-87-6.gif)
4415-87-6
234 suppliers
$6.00/1g
Yield:4415-87-6 92.5%
Reaction Conditions:
with acetic anhydride at 100; for 24 h;Inert atmosphere;
Steps:
1.3
(3) 19.0 g of cyclobutanetetracarboxylic acid obtained in step (2) was added to 190 g of acetic anhydride, stirred and heated to 100 °C for 24 h under nitrogen protection, cooled to 10 °C and filtered, the filter cake was added with 100 mL of acetone and heated to reflux, boiled Washed for 2 hours, cooled to 10°C, filtered, rinsed with acetone, and dried to obtain 14.8 g of cyclobutanetetracarboxylic dianhydride with a yield of 92.5% and a purity of 99.3%.
References:
CN114516882,2022,A Location in patent:Paragraph 0009; 0035-0036; 0039
![CIS-BUTENEDIOIC ANHYDRIDE](/CAS/20180808/GIF/108-31-6.gif)
108-31-6
838 suppliers
$13.47/50g
![Cyclobutane-1,2,3,4-tetracarboxylic dianhydride](/CAS/GIF/4415-87-6.gif)
4415-87-6
234 suppliers
$6.00/1g
![CIS-BUTENEDIOIC ANHYDRIDE](/CAS/20180808/GIF/108-31-6.gif)
108-31-6
838 suppliers
$13.47/50g
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74-85-1
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$79.00/11l
![Cyclobutane-1,2,3,4-tetracarboxylic dianhydride](/CAS/GIF/4415-87-6.gif)
4415-87-6
234 suppliers
$6.00/1g
![Cyclobutane-1,2-dicarboxylic anhydride](/CAS/GIF/4462-96-8.gif)
4462-96-8
120 suppliers
$23.00/250mg
![1,2,3-Cyclopentanetricarboxylic acid, 4-oxo-, 1,2,3-trimethyl ester](/CAS/20210305/GIF/67885-96-5.gif)
67885-96-5
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![Cyclobutane-1,2,3,4-tetracarboxylic dianhydride](/CAS/GIF/4415-87-6.gif)
4415-87-6
234 suppliers
$6.00/1g