Dimethylformamide dimethyl acetal → HCID 67065831、化合物
反応式
[C:1]([N:20]1[CH2:24][CH2:23][C:22](=[O:25])[CH2:21]1)([C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1)([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CO[CH:28](OC)[N:29]([CH3:31])[CH3:30]>CN(C=O)C>[CH3:28][N:29]([CH:31]=[C:23]1[CH2:24][N:20]([C:1]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)([C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)[C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)[CH2:21][C:22]1=[O:25])[CH3:30]参加物
4
反応条件
- 温度
- 80 °C
実験手順
A suspension of 1-tritylpyrrolidin-3-one (4.9 g) from Step A in anhydrous DMF (36.0 mL) was dissolved by heating at 80° C. under nitrogen for 10 min. The clear solution was treated with N,N-dimethylformamide dimethyl acetal (18.0 mL) and heated at 80° C. for 12 h. The resulting dark brown solution was evaporated under reduced pressure. The residue was chromatographed on a Biotage® system (silica gel, gradient from 50% to 100% ethyl acetate in hexanes) to yield the title compound. LC-MS=243.1 (M+1).