반응 #8920
ord-ba1760b26e374dbd82c6ff5fe2302808
반응 방정식
반응물
시약
용매
반응 조건
후처리
- 1기타was placed in a 10 mL reaction tube of a CEM Corporation Discover 300 Watt microwave reactor
- 2기타The reaction vessel was sealed
- 3온도After the reaction vessel had cooled again to room temperature
- 4기타the reaction mixture was partitioned between EtOAc and saturated aqueous NaHCO3 solution
- 5기타The organic layer was separated
- 6세척washed with aq. NaHCO3, brine
- 7건조dried (Na2SO4)
- 8여과filtered
- 9기타evaporated
- 10기타The residue was purified on a silica gel flash chromatography column
- 11세척eluted with 0–75% EtOAc-hexane
- 12기타Evaporation of the purified fractions
- 13기타drying in vacuo
실험 절차
A mixture of 0.094 g (0.18 mmol) of the product of Step B and 0.027 g (0.18 mmol) of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) in 2 mL DMF was placed in a 10 mL reaction tube of a CEM Corporation Discover 300 Watt microwave reactor. The reaction vessel was sealed, placed in the microwave reactor and heated at 150° C. for 5 min. After the reaction vessel had cooled again to room temperature, the reaction mixture was partitioned between EtOAc and saturated aqueous NaHCO3 solution. The organic layer was separated, washed with aq. NaHCO3, brine, dried (Na2SO4), filtered and evaporated. The residue was purified on a silica gel flash chromatography column eluted with 0–75% EtOAc-hexane. Evaporation of the purified fractions and drying in vacuo afforded the title compound. HPLC/MS: 504.2 (M+1), 506.0 (M+3); Rt=3.39 min.