ChemicalBook CAS DataBase List Caronic anhydride

Caronic anhydride synthesis

8synthesis methods

Product Name:Caronic anhydride
CAS Number:67911-21-1
Molecular formula:C7H8O3
Molecular Weight:140.14

At present, the synthetic method of Caronic anhydride is mainly taking chrysanthemum monocarboxylate as raw material, after oxidation, saponification, acidifying and cyclodehydration, be prepared from.

3,3 DIMETHYL CIS 1,2 CYCLOPROPANE DICARBOXYLIC ACID

497-42-7
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67911-21-1
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Yield:67911-21-1 91.97%

Reaction Conditions:

with acetic anhydride at 120 - 160; for 7 h;

Steps:

1-6

General procedure: Add 50mL of acetic anhydride to the above solution containing caronic acid, under 120 °C conditions, the insulation reflux reaction for 3h, continue to heat up to 160 °C, and insulate reflux reaction for 4h. Subsequently, caronic anhydride was distilled under reduced pressure to 18.46 g with a yield of 87.83%.

References:

CN114539046,2022,A Location in patent:Paragraph 0097; 0099; 0100-0106

124-38-9
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$214.00/14L

497-42-7
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67911-21-1
334 suppliers
$6.00/1g

References

108-31-6 Synthesis

108-31-6
823 suppliers
$13.47/50g

1530-33-2
69 suppliers
$18.00/5g

67911-21-1
334 suppliers
$6.00/1g

References

Cyclopropanecarboxylic acid, 3-[(acetyloxy)methyl]-2,2-dimethyl-, ethyl ester

79942-64-6
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67911-21-1
334 suppliers
$6.00/1g

References

924-50-5 Synthesis

924-50-5
256 suppliers
$23.00/5g

67911-21-1
334 suppliers
$6.00/1g

References

Caronic anhydride Related Search:

Isatoic Anhydride Phthalic anhydride Dimethyl sulfoxide CIS-BUTENEDIOIC ANHYDRIDE Dimethyl carbonate Dimethyl ether Hexane Triethyl phosphate ACETONE-D6