Citation: Qiao Sheng HU, Chang Ming HU. BrCo (dmgh) ₂Py/Zn Promoted Addition of BrCF₂CF₂CH=CHCH₂X to Alkynes:Direct Synthesis of 4,4,5,5-Tetrafluorocyclopentene Derivatives[J]. Chinese Chemical Letters, ;1997, 8(8): 661-664. shu

BrCo (dmgh) ₂Py/Zn Promoted Addition of BrCF₂CF₂CH=CHCH₂X to Alkynes:Direct Synthesis of 4,4,5,5-Tetrafluorocyclopentene Derivatives

Qiao Sheng HU ^a,b ,
Chang Ming HU ^a,b

a Laboratory of Organofluorine Chemistry, Chinese Academy of Sciences, 354 Fenglin Lu, Shanghai, 200032;
b Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Lu, Shanghai, 200032

Received Date: 17 December 1997

Fund Project: We thank the National Natural Science Foundation of China for financial support (No.29632003).

BrCF₂CF₂CH=CHCH₂X(x=Cl,OAc,OH) reacted smoothly with alkynes in the presence of BrCo(dmgh)₂Py/Zn,giving 4,4,5,5-tetrafluorocyclopentene derivatives in moderate yields.
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