3,4-dihydro-2H-pyran → HCID 18999424, compound

Participants

Reaction Conditions

Reaction Steps

10 g (35 mmol) of triphenylacetic acid are mixed with 8.8 g (104 mmol) of 3,4-dihydro-2H-pyran and 2 drops of concentrated hydrochloric acid are added to the mixture. The solution is then stirred at 70° C. for 3 hours and working up is thereafter effected in accordance with the general procedure described in Example A. Recrystallisation from n-hexane gives a product which melts at 115° C.

Provenance & Evidence