Phosphoric Acid → HCID 15087797, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 6.4 parts of α,α-dimethyl-4-(phenylmethyl)-2-piperazinemethanol and 50 parts of poly(phosphoric acid) was stirred for 1 hour at 140° C. After cooling, ice water was added and the whole was treated with a sodium hydroxide solution 50%. The product was extracted twice with dichloromethane. The combined extracts were washed with water, dried, filtered and evaporated, yielding 5 parts (85.6%) of 3-(1-methylethenyl)-1-(phenylmethyl)piperazine as a residue (int. 47).

Provenance & Evidence