Heptanoic Acid → HCID 19710771, compound

Participants

Reaction Steps

Into a 3-liter four neck flask equipped with stirrer, thermometer, a nitrogen inlet tube, Dean-Stark trap and condenser was charged 492 grams (3.36 moles) of 2,2,4-trimethyl-1,3-pentanediol; 963 grams n-heptanoic acid (7.40 moles) and 0.1 wt. percent of dibutyl tin oxide as catalyst. The reaction was carried out under reflux conditions at 220° C. to a hydroxyl value <2.0. The excess heptanoic acid was stripped under reduced pressure for a TAN <1.0. The ester was subsequently treated with concentrated caustic, stripped and filtered to yield 1170 grams of 2,2,4-trimethyl-1,3-pentanediol di-n-heptanoate.

Provenance & Evidence