- 英文名称
- 6,7-dihydrocyclopenta[b]pyridin-5-one
- 分子式
- C8H7NO
- 分子量
- 133.15
- 中文别名
- 6,7-二氢-5H-环戊并[B]吡啶-5-酮; 6,7-二氢2,3-环戊烯并吡啶-5-酮; 6,7-二氢-5H-环戊二烯并[B]吡啶-5-酮; 5H,6H,7H-环戊二烯并[B]吡啶-5-酮; 5H,6H,7H-环戊[B]吡啶-5-酮; 6H,7H-cyclopenta[b]pyridin-5-one; 6,7-DIHYDRO-5H-[1]PYRINDIN-5-ONE; 5H-Cyclopenta[b]pyridin-5-one, 6,7-dihydro-; 5H-cyclopenta[b]pyridine-5-one,6,7-dihydro-; 6,7-Dihydro-5H-1-pyridin-5-one; 6,7-dihydrocyclopenta[1,2-b]pyridin-5-one; 6,7-dihydro-5H-cyclopenta[b]pyridine-5-one; 6,7-Dihydro-5-oxo-5H-cyclopenta[b]pyridine; 6,7-dihydro-5H-1-pyrindin-5-one; 6,7-dihydro-[1]pyrindin-5-one
- 用途
- - 简介
6,7-二氢-5H-环戊并[B]吡啶-5-酮即6,7-二氢-5H-环戊二烯并[b]吡啶-5-酮,可由6,7-二氢-5H-环戊二烯并[b]吡啶氧化得到,氧化剂可选择双氧水。
- 制备
将0.883mg Mn(OTf)2(0.5mol%),60mg 2,3-环戊烯并吡啶,0.35g 65%的TBHP水
溶液,2.5ml水,依次加入到25mL的圆底烧瓶中,在空气中室温条件下反应24h,反应液用3×
5mL乙酸乙酯萃取,收集乙酸乙酯层,用无水硫酸钠干燥,过滤,蒸去乙酸乙酯,以体积比为
5:1的石油醚和乙酸乙酯作为洗脱剂,过快速硅胶柱分离得到产物6,7-二氢-5H-环戊并[B]吡啶-5-酮60.5mg,浅黄色固体,收率91%。熔点62-63℃。