반응 #1747863
ord-616823c9315c48d49335187d1b6f8b18
반응 방정식
반응물
시약
반응 조건
후처리
- 1기타dried over molecular sieve
- 2workup.ADDITIONthe reaction solution was diluted with 200 ml of methanol
- 3workup.STIRRINGstirred for a further 15 min
- 4여과The precipitate was filtered off
- 5세척washed with 500 ml of methanol
- 6기타dried at 35° C. under reduced pressure
- 7기타The crude product (5.85 g) was recrystallized in 400 ml of toluene
- 8기타were obtained
실험 절차
2.73 g (24.1 mmol) of potassium tert-butoxide and then 7.80 g (25.7 mmol) of 10-phenylphenothiazine-3-carbaldehyde were added under nitrogen at room temperature with stirring to a solution of 4.83 g (10.7 mmol) of diethyl[4′-(diethoxyphosphorylmethyl)biphenyl-4-ylmethyl]phosphonate in 80 ml of dimethyl sulfoxide dried over molecular sieve. After stirring at room temperature for four hours, the reaction solution was diluted with 200 ml of methanol and stirred for a further 15 min. The precipitate was filtered off, washed with 500 ml of methanol and dried at 35° C. under reduced pressure. The crude product (5.85 g) was recrystallized in 400 ml of toluene. 3.85 g of yellow solid having a melting point of 278-290° C. were obtained.