A Domino Approach of Heck Coupling for the Synthesis of β-Trifluoromethylstyrenes
摘要:
A domino approach of Heck coupling was used to synthesize beta-trifluoromethylstyrene derivatives from iodoarenes and 1-iodo-3,3,3-trifluoropropane in moderate to good yields. This method avoids the use of low-boiling, gaseous reagents such as 3,3,3-trifluoropropene, and additives and phosphines in the catalytic system.
An efficient method for the iron(III) porphyrincatalyzed olefination of various aldehydes with 2,2,2‐trifluorodiazoethane (CF3CHN2) under neutral conditions has been developed. This reaction is an important supplement to the synthetic applications of CF3CHN2.