Synthesis and spectroscopic study of diphenylamino-substituted phenylene-(poly)ethynylenes: remarkable effect of acetylenic conjugation modes
Jing-Kun Fang, De-Lie An, Kan Wakamatsu, Takeharu Ishikawa, Tetsuo Iwanaga, Shinji Toyota, Daisuke Matsuo, Akihiro Orita, and Junzo Otera
Tetrahedron Lett.
51
6
917
920