The vicinal dibromides of α,β-unsaturated carboxylic acid derivatives were debrominated with Sm/TiCl4 system to afford the corresponding cinnamic acid derivatives in good yields under mild conditions.
文摘The vicinal dibromides of α,β-unsaturated carboxylic acid derivatives were debrominated with Sm/TiCl4 system to afford the corresponding cinnamic acid derivatives in good yields under mild conditions.
