中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-溴苯乙酮 | para-bromoacetophenone | 99-90-1 | C8H7BrO | 199.047 |
An efficient approach to synthesis tetrahydrothiophenes was developed through the reaction of β-oxodithioesters and D–A cyclopropanes catalyzed by Yb(OTf)3. This methodology was highly regioselective.