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Synthesis 1987; 1987(9): 795-797
DOI: 10.1055/s-1987-28076
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A Novel Synthetic Approach to Biphenyls

Tong-Ing Ho* , Cheng-Shein Shu, Ming-Kuo Yeh, Fa-Ching Chen
  • *Department of Chemistry, National Taiwan University, Taipei, Taiwan
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Publikationsdatum:
12. September 2002 (online)

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Two novel biphenyls, 2,2′-bis(1-hydroxyethyl)-3,3′,5,5′-tetramethylbiphenyl (7) and 2,2′-bis(1-hydroxyethyl)-4,4′,6,6′-tetramethylbiphenyl (13) were synthesized through Wittig reaction, photochemical oxidative cyclization, and ozonolysis, using xylene and mesitylene as starting materials. The novel approach is applicable to both symmetrical and unsymmetrical biphenyls.