Synthesis of hydrophenaleno[1,9-bc]thiophenes and [2]metacyclo[2](2,4)thiophenophane
作者:Michinori Takeshita、Masashi Tashiro
DOI:10.1021/jo00028a063
日期:1992.1
Ultimate diastereoselectivity in the ring closure of photochromic diarylethene possessing facial chirality
作者:Tatsuya Shiozawa、Mohammed K. Hossain、Takashi Ubukata、Yasushi Yokoyama
DOI:10.1039/c0cc00240b
日期:——
A bisthienylethene with hitherto unprecedented facial chirality imposed by a triethyleneglycol bridge on a thiophene ring was synthesized and its photochromic ring closure was shown to occur with 100% diastereoselectivity upon UV-light irradiation.