HQDA synthesis
- Product Name:HQDA
- CAS Number:17828-53-4
- Molecular formula:C22H10O8
- Molecular Weight:402.31
![1,2-Benzenedicarboxylic acid, 4,4'-[1,4-phenylenebis(oxy)]bis-](/CAS/20210305/GIF/18959-88-1.gif)
18959-88-1
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17828-53-4
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Yield:-
Reaction Conditions:
at 200;Inert atmosphere;
Steps:
7
The solid tetra acid is flushed with nitrogen and heated to 200 °C under vacuum to obtain the dianhydride of the formula (13),
References:
WO2021/252169,2021,A1 Location in patent:Page/Page column 26
123-31-9
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17828-53-4
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41663-84-7
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89-20-3
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123-31-9
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