A NEW METHOD FOR THE PREPARATION OF 2,3-DIARYL-1,1-DIFLUORO-1,3-BUTADIENES
摘要:
Reactions of 1-trifluoromethyl-1,2-diarylvinyl sulfones 3 with aryllithium afforded aryl substituted adduct 4. Bromination of 4 with NBS, followed by debromofluorination with Mg, provided 2,3-diaryl- 1, 1-difluoro-1,3-butadienes (6) in good yields.
A NEW METHOD FOR THE PREPARATION OF 2,3-DIARYL-1,1-DIFLUORO-1,3-BUTADIENES
摘要:
Reactions of 1-trifluoromethyl-1,2-diarylvinyl sulfones 3 with aryllithium afforded aryl substituted adduct 4. Bromination of 4 with NBS, followed by debromofluorination with Mg, provided 2,3-diaryl- 1, 1-difluoro-1,3-butadienes (6) in good yields.