Stereoselective Synthesis of (E)-1,3-Enynyl Bromides via Pd/Cu-cata-lyzed Cross-coupling Reaction of (Z)-α-Bromovinylstannanes
Stereoselective Synthesis of (E)-1,3-Enynyl Bromides via Pd/Cu-cata-lyzed Cross-coupling Reaction of (Z)-α-Bromovinylstannanes
摘要
Z)-á-Bromovinylstannanes undergo the cross-coupling reaction with alkynyl iodides in the presence of Pd(PPh3)4 and CuI in THF at room temperature to afford stereoselectively (E)-1, 3- enynyl bromides in good yields.
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