ChemicalBook CAS DataBase List 3-formylbut-2-enyl acetate

3-formylbut-2-enyl acetate synthesis

13synthesis methods

Product Name:3-formylbut-2-enyl acetate
CAS Number:14918-80-0
Molecular formula:C7H10O3
Molecular Weight:142.15

4,4-dimethoxy-3-methyl-2-butenyl acetate

74549-14-7
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14918-80-0
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Yield:14918-80-0 99%

Reaction Conditions:

with phosphoric acid in water at 20; for 5 h;Reagent/catalyst;

Steps:

2

1900 g of water, 190 g of acetal ester (II), 9.5 g of phosphoric acid were added to a 3 L three-necked flask.The reaction was stirred at room temperature for 5 h. The reaction is over, and the phases are allowed to stand.The organic phase was washed twice with 100 mL of water.Obtaining 4-acetoxy-2-methyl-2-butenal,Yield 99%,Purity > 98.5%.

References:

CN108997117,2018,A Location in patent:Paragraph 0060; 0062; 0065; 0069; 0073