Synthesis, isolation, and isomerization
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Yosuke Uchiyama
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Article
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2011
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John Wiley and Sons
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English
β 295 KB
## Abstract Two stereoisomers, trans form **1a** and cis form **1b**, of 2,3,7,8βtetramethylβ5,10βdi(__p__βtolyl)β5,10βdihydrostibanthrene (**1**) were successfully synthesized. Both of **1a** and **1b** were characterized by Xβray crystallographic analysis, which revealed the orientations of two _