- 作者: Shean-Jeng Jong, Jim-Min Fang, Yi-Hung Liu and Y. Wang
- 作者服務機構: Department of Chemistry, National Taiwan University, Taipei, Taiwan 106, R.O.C.
- 中文摘要: Monoalkenylferrocenes were prepared from 1,1'-diacetylferrocene and appropriate benzyl bromides by the promotion of samarium diiodide. A practical method for preparation of both symmetric and unsymmetric dialkenylferrocenes was also explored. The reactions were stereoselective to give only (E) double bonds. The unsymmetric dialkenylferrocene bearing electron-donating substituent (e.g. methoxy group) and electron-withdrawing substituent (e.g. cyano group) on different phenyl rings likely exhibits a large nonlinear optical property
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