1,1′-Bichrysene-2,2′-diol and its thiophene analogs, 6,6′-biphenanthro-[1,2-b]thiophene-7,7′-diols, as a series of novel π-expanded chrysene-/phenanthro[1,2-b]thiophene-based axially chiral molecules are synthesized from 1,1′-bi-2-naphthols with key steps including a Suzuki coupling, a Wittig reaction, and acid-mediated cyclization.

中文翻译：

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新型 π-扩展 chrysene 轴向手性分子：1,1'-bichrysene-2,2'-二醇和噻吩类似物

1,1'-Bichrysene-2,2'-diol 及其噻吩类似物，6,6'-biphenanthro-[1,2-b]thiophene-7,7'-diol，作为一系列新型 π-expanded chrysene -/phenanthro[1,2-b] 噻吩基轴向手性分子由 1,1'-bi-2-萘酚合成，关键步骤包括 Suzuki 偶联、Wittig 反应和酸介导的环化。