ether was decanted and the residue crystallized from ethyl acetate ethyl ether to give the title compound 700 mg m p ca 153 u00b0 156 u00b0 c analysis calc for c 25 h 37 n 2 soc1 465 09 calc c 64 56 h 8 02 n 6 02 c1 7 62 s 6 89 found c 64 30 h 7 88 n 6 00 c1 7 79 s 6 91 a mixture of 2 6 dimethylaniline 8 68 g 0 0718 mole and triethylamine 15 3 ml in ethyl ether 250 ml was cooled to 5 u00b0 c a solution of acryloyl chloride 6 47 g 0 0716 mole in ethyl ether 25 ml was added dropwise with stirring over a 20 minute period the solution was allowed to warm to room temperature and stirred for 72 hours 10 percent hydrochloric acid 150 ml was added and the layers separated the acid layer was extracted with ethyl acetate 150 ml combined washed with water 150 ml dried over sodium sulfate filtered and the solvents evaporated the solid was taken up in hot ethyl acetate and recrystallized from hexane to yield the title compound m p ca 143 5 u00b0 145 0 u00b0 c 2 6 bis 1 1 dimethylethyl 4 mercaptophenol 1 19 g 0 005 mole n 2 6 dimethylphenyl 2 propenamide 0 87 g 0 005 mole and triethylamine 0 5 ml in methanol 100 ml were stirred at room temperature under argon for 12 hours the solvent and triethylamine were removed on a rotary evaporator and the product purified by chromatography on silica the solvents were removed and the product recrystallized from ethyl acetate hexane filtered and dried in vacuo to yield the title compound m p.