反应详情

To a solution of 54.1 g (0.5 mol) of ortho-cresol in 150 ml of DMSO was added portionwise and with stirring 12 g of 57% sodium hydroxide. This addition was exothermic to 45° C. After 2 hours at ambient temperature, 61.5 g (0.5 mol) of isopropyl bromide in 50 ml of DMSO was added dropwise with stirring. After another 2 hours, the reaction mixture was poured into 1000 ml of ice water and extracted with ether. Distillation of the dried extract gave 53.9 g of product as a colorless liquid; b.p. 94°-96° C. (30 mm).

1. additionThis addition
2. customwas exothermic to 45° C
3. waitAfter another 2 hours
4. extractionextracted with ether
5. distillationDistillation of the dried
6. extractionextract