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ChemicalBook CAS DataBase List 2-Methyl-3-(3,4-methylenedioxyphenyl)propanal
1205-17-0

2-Methyl-3-(3,4-methylenedioxyphenyl)propanal synthesis

6synthesis methods
-

Yield:1205-17-0 14 g

Reaction Conditions:

with hydrogen in ethanol at 30; for 7 h;Autoclave;Temperature;Reagent/catalyst;

Steps:

2

15 g of the above-prepared piperonylidenpropanal was dissolved in 50 ml of ethanol,Into a high pressure reactor.Then add 1.5 ~ 1.8gP-2-Ni-Cu with hydrogen replacement reactor in the air,The hydrogen pressure in the autoclave was raised to 3 Kg · (cm2) -1,Temperature 30 reaction 7h.The reaction was terminated to room temperature,Reduced to atmospheric pressure,The reaction was filtered,The filtrate was distilled under pressure, and 134-135 ° C (399Pa) -1 was collected to obtain 14 g of helional.

References:

CN103880812,2016,B Location in patent:Page/Page column 4; 5

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