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A novel [3]radialene derivative with an amphoteric redox property. A dihydrothiophenediylidene-extended trisbenzoquinocyclopropane

1991; Elsevier BV; Volume: 32; Issue: 29 Linguagem: Inglês

10.1016/0040-4039(91)80818-q

1873-3581

Kazuko Takahashi, Masashi Ogiyama,

Photochromic and Fluorescence Chemistry

1,2-Bis(3,5-di-t-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-3-[5-(3,5-di-t-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophen-2-ylidene] cyclopropane, a new near-infrared dye, has been synthesized and characterized as the first radialene derivative exhibiting an amphoteric multi-stage redox property.