C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 22/08 (2006.01) C07C 17/23 (2006.01) C07C 17/32 (2006.01) C07C 25/13 (2006.01) C07C 303/08 (2006.01) C07C 303/22 (2006.01) C07C 309/86 (2006.01) C08F 14/18 (2006.01)
Patent
CA 2279764
A synthesis is provided for .alpha.,.beta.-difluoro-.beta.-halo-ethenyl aromatic compounds such as .alpha.,.beta.,.beta.-trifluorostyrenes by a process of reacting CFX2CFXI, wherein each X is independently F or Cl, provided that at least one X is Cl and at least one X is F, with an aromatic compound Ar to form (CFX2CFX)n-Ar, wherein n is 1, 2 or 3, and subsequently dechlorohalogenating this product to form (CFX=CF)n-Ar. Novel synthetic intermediate compounds are provided.
3m Innovative Properties Company
Smart & Biggar
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