Reaction #1960492

Reaction equation

7,8-difluoro-2-pentyl-2H-chromene

→

7,8-difluoro-2-pentylchroman

Solvents

toluene

Conditions

Workup

1. 1
   OtherThe batch is evaporated to dryness

Procedure

51.0 g (0.21 mol) of 7,8-difluoro-2-pentyl-2H-chromene are hydrogenated at RT for 1 h in 510 ml of toluene in the presence of Pd/C (5% of Pd). The batch is evaporated to dryness: the crude product (yellowish liquid) can be used directly for the next step.

Source