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ChemicalBook CAS DataBase List 4-CYANOCINNAMALDEHYDE
41917-85-5

4-CYANOCINNAMALDEHYDE synthesis

13synthesis methods
-

Yield:41917-85-5 193 mg

Reaction Conditions:

with manganese(IV) oxide in dichloromethane at 20; for 5 h;

Steps:

13.4 Preparation 13: (E)-4-(3 -oxoprop- 1-en-i -yl)benzonitrile

Step 4: To a solution of alcohol (238 mg, 1.5 mmol) in dry DCM (10 mL), Mn02(1.95 g, 22.5 mmol) was added, and the reaction was stirred at room temperature for 5 h. The solid was removed by filtration (washing with DCM), and the filtrate was evaporated todryness to give the title compound (193 mg, purity: 92% by UV a/a, recovery 82%).

References:

WO2016/185423,2016,A1 Location in patent:Page/Page column 83

136295-53-9 Synthesis
4-(3-OXO-PROPYL)-BENZONITRILE

136295-53-9
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4-CYANOCINNAMALDEHYDE

41917-85-5
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