A new method for the preparation of 2,3-diaryl-1,1-difluoro-1,3-butadienes

Citation
Ih. Jeong et al., A new method for the preparation of 2,3-diaryl-1,1-difluoro-1,3-butadienes, SYN COMMUN, 31(15), 2001, pp. 2261-2270
Citations number
15
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
SYNTHETIC COMMUNICATIONS
ISSN journal
00397911 → ACNP
Volume
31
Issue
15
Year of publication
2001
Pages
2261 - 2270
Database
ISI
SICI code
0039-7911(2001)31:15<2261:ANMFTP>2.0.ZU;2-O
Abstract
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-butadie nes (6) in good yields.