Conjugated crown thioethers and strained cyclic alkynes by nucleophilic SN′-reaction
作者:Rolf Gleiter、Harald Röckel、Bernhard Nuber
DOI:10.1016/0040-4039(95)00141-x
日期:1995.3
The reaction of 2,7-dimethyl-2,7-dichloroocta-3,5-diyne (1) with several alpha-omega-dithiols leads to crown thioethers with 1,4 diisopropylidene-2-butyne units as building