Reaction #64694

Reaction equation

formic acid

Meldrum's acid

cinnamaldehyde

→

5-phenyl-4-pentenoic acid

Solvents

triethylamine

Conditions

Workup

1. 1
   Otherprepared
2. 2
   Temperaturemaintained at the same temperature for 2 hours
3. 3
   OtherThe product was separated

Procedure

7.2 g (0.05 mol) of Meldrum's acid and 6.6 g (6.3 ml, 0.05 mol) of cinnamaldehyde were weighed in to 50 ml of the mixture of formic acid and triethylamine prepared as described in Example 1. The reaction mixture was heated to 95° C. during 1 hour and maintained at the same temperature for 2 hours. The product was separated according to Example 1.

Source