![](/CAS/GIF/36978-41-3.gif)
2,3,3,4-biphenyl tetracarboxylic dianhydride synthesis
- Product Name:2,3,3,4-biphenyl tetracarboxylic dianhydride
- CAS Number:36978-41-3
- Molecular formula:C16H6O6
- Molecular Weight:294.22
![1,1'-Biphenyl-2,3,3',4'-tetracarboxylic acid](/CAS/GIF/36978-40-2.gif)
36978-40-2
5 suppliers
inquiry
![2,3,3,4-biphenyl tetracarboxylic dianhydride](/CAS/GIF/36978-41-3.gif)
36978-41-3
171 suppliers
$15.00/1g
Yield:36978-41-3 92.4%
Reaction Conditions:
with acetic anhydride in toluene at 100; for 4 h;Temperature;
Steps:
1.5
Step 5: Add 41.9g of 2,3,3',4'-biphenyltetracarboxylic acid200ml of toluene,Add 38.8g of acetic anhydride,Turn on stirring,The temperature is controlled at 100°C,Incubate the reaction for 4h,After crystallization, decolorization,secondary crystallization,After drying, 34.5 g of α-BPDA in white solid state was obtained.The yield of α-BPDA was calculated to be 92.4%,HPCL purity is 99.88%,
References:
CN114230540,2022,A Location in patent:Paragraph 0077; 0079; 0085
![5-Iodoisobenzofuran-1,3-dione](/CAS/20200119/GIF/28418-89-5.gif)
28418-89-5
16 suppliers
inquiry
![3-IODOPHTHALIC ANHYDRIDE](/CAS/GIF/28418-88-4.gif)
28418-88-4
88 suppliers
$13.00/250mg
![2,3,3,4-biphenyl tetracarboxylic dianhydride](/CAS/GIF/36978-41-3.gif)
36978-41-3
171 suppliers
$15.00/1g
![Methanol](/CAS/GIF/67-56-1.gif)
67-56-1
739 suppliers
$9.00/25ml
![Phthalic acid](/CAS/GIF/88-99-3.gif)
88-99-3
440 suppliers
$15.00/50g
![2,3,3,4-biphenyl tetracarboxylic dianhydride](/CAS/GIF/36978-41-3.gif)
36978-41-3
171 suppliers
$15.00/1g
![4-(1,3-dioxo-2-benzofuran-4-yl)-2-benzofuran-1,3-dione](/CAS/20180703/GIF/3711-04-4.gif)
3711-04-4
3 suppliers
inquiry
![3,3',4,4'-Biphenyltetracarboxylic dianhydride](/CAS/GIF/2420-87-3.gif)
2420-87-3
369 suppliers
$5.00/5g