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M. K. Hossain, M. Takeshita and T. Yamato, “Synthesis and Photochromic Properties of a Dithia-Dithienylethenophane,” Tetrahedron Letters, Vol. 46, No. 3, 2005, pp. 431-433. doi:10.1016/j.tetlet.2004.11.090

has been cited by the following article:

• TITLE: Preparation of Dithienylethene with Amino Groups, and Photochromic Behavior in Langmuir-Blodgett Film of the Amphiphilicdithienylethene

  AUTHORS: Tetsuzo Fujise, Michinori Takeshita, Koichi Sakaguchi, Masanao Era

  KEYWORDS: Amphiphilic Dithienylethene; Langmuir-Blodgett Film; Photochromic Material; Dodecyl Benzenesulfonic Acid

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.3 No.2, June 18, 2013

  ABSTRACT: We successfully synthesized dithienylethene with amino groups. Then, we successfully prepared Langmuir-Blodgett (LB) films of the dithienylethene having ammonium cation group when dodecyl benzene sulfonic acid was employed as an anionic counter ion. From X-ray diffraction profiles, however, it was demonstrated that they did not form well-defined layered structure; X-ray diffraction peaks were much broadened. Photochromic behavior was confirmed in the LB films. Unfortunately, the LB films were not so stable; photochromic reaction was observed only several times in the LB films.