Реакция #2286277
ord-2a0a2d13b12048a3bf8cd6db2155b6b2
Уравнение реакции
Реактанты
Реагенты
Условия реакции
Обработка
- 1ТемператураThe reaction was heated
- 2Температураto reflux for 12 h
- 3ЭкстракцияThe water layer was extracted with diethyl ether (2×150 mL)
- 4workup.ADDITIONThe aqueous layer was brought to pH=8 by the addition of a 1N aqueous sodium hydroxide solution
- 5Температураcooled to 0° C. in an ice bath
- 6Экстракцияwas extracted with diethyl ether (3×200 mL)
- 7ПромывкаThe organics were washed with a saturated aqueous sodium chloride solution
- 8Сушкаdried with magnesium sulfate
- 9Фильтрацияfiltered
- 10Концентрированиеconcentrated under vacuum
- 11ДругоеThe resulting oil was dried under high vacuum overnight
Методика
A solution of 2,6-dimethyl phenol (20 g, 0.163 mol) in ethanol (100 mL) at room temperature was treated with dimethylamine (19 mL of a 40% solution of dimethylamine in water, 0.163 mol) followed by formaldehyde (13.5 mL of a 37% solution of formaldehyde in water, 0.163 mol). The reaction was heated to reflux for 12 h. The reaction mixture was cooled to 0° C. in an ice bath, diluted with water (100 mL) and brought to pH=5 with a 1N aqueous hydrochloric acid solution. The water layer was extracted with diethyl ether (2×150 mL). The aqueous layer was brought to pH=8 by the addition of a 1N aqueous sodium hydroxide solution, cooled to 0° C. in an ice bath and was extracted with diethyl ether (3×200 mL). The organics were washed with a saturated aqueous sodium chloride solution, dried with magnesium sulfate, filtered and concentrated under vacuum. The resulting oil was dried under high vacuum overnight to afford 4-dimethylaminomethyl-2,6-dimethyl-phenol as an off-white solid (13.42 g, 46%); EI(+)-HRMS m/z calcd for C11H17NO (M+) 179.1310, found 179.1308. Molecular Weight=179.2642; Exact Mass=179.1310