title: Stepwise synthesis and characterization of germa[4], [5], [8], and [10]pericyclynes.
abstract: The stepwise syntheses of germa[N]pericyclynes, including [5]pericyclynes, and their characterization are described. The yields of germa[4] and [8]pericyclynes were improved significantly compared to those obtained in previous studies. The routes reported herein afforded the novel germa[5] and [10]pericyclynes, which were characterized by X-ray crystallography, UV-Vis spectroscopy, and fluorescence emission spectroscopy. A unique fluorescence emission was observed for the large germa[10]pericyclyne ring.
authors.affiliation: Graduate School of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayamacho, Ikoma, Nara 630-0192, Japan. tanimoto@ms.naist.jp kakiuchi@ms.naist.jp.
authors.forename: Hiroki
authors.initials: H
authors.lastname: Tanimoto
authors.forename: Tomohiko
authors.initials: T
authors.lastname: Nagao
authors.forename: Taro
authors.initials: T
authors.lastname: Fujiwara
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Nishiyama
authors.forename: Tsumoru
authors.initials: T
authors.lastname: Morimoto
authors.forename: Toshimasa
authors.initials: T
authors.lastname: Suzuka
authors.forename: Ken
authors.initials: K
authors.lastname: Tsutsumi
authors.forename: Kiyomi
authors.initials: K
authors.lastname: Kakiuchi