Abstract
A series of (p‐substituted styryl) spirobenzopyrans were synthesized by the Wittig reaction of Fisher's bases with 5‐(p‐substituted styryl) salicylaldehyde derivatives. The final spirobenzopyrans were characterized by the 1H NMR, IR, UV, and GC‐MS analyses.
Acknowledgments
Financial support from National Natural Science Foundation of China (No. 50573019) is gratefully acknowledged.