中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
6-溴色烯-2-酮 | 6-bromo-2H-chromen-2-one | 19063-55-9 | C9H5BrO2 | 225.041 |
6-氯-2-氧代-2H-苯并吡喃-3-羧酸 | 6-chloro-2-oxo-2H-chromene-3-carboxylic acid | 883-92-1 | C10H5ClO4 | 224.6 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3,6-dichloro-2H-chromen-2-one | 20882-68-2 | C9H4Cl2O2 | 215.036 |
—— | 6-chloro-3-methyl-2H-chromen-2-one | 57295-25-7 | C10H7ClO2 | 194.617 |
—— | 6-chloro-chromene-2-thione | 40384-22-3 | C9H5ClOS | 196.657 |
6-氯-3-苯基色烯-2-酮 | 6-chloro-3-phenyl-2H-chromen-2-one | 88039-96-7 | C15H9ClO2 | 256.688 |
—— | 6-chloro-4-phenyl-2H-chromen-2-one | 26152-84-1 | C15H9ClO2 | 256.688 |
A transition-metal-free regioselective α-arylation of coumarins and 2-pyridones has been accomplished by the reaction of phenylhydrazines with coumarins or 2-pyridones.