O[CH2:2][CH:3]([CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH3:20])[C:4]([OH:6])=[O:5]>P(=O)(O)(O)O>[CH2:7]([C:3](=[CH2:2])[C:4]([OH:6])=[O:5])[CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH3:20]A 34.25 g sample of α-hydroxymethylpalmitic acid (0.119 mole) and 17 drops of phosphoric acid (85%) were placed in a distillation flask and the mixture heated to 245°-255° C. in an oil bath under vacuum. The product, 2-tetradecylacrylic acid, distilled over at 155°-160° C. at 0.10 mm Hg (24.80 g; 77% yield) and was crystallized from acetone, m.p. 53°-55° C.
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