2007

Polyphenyl derivativesQ 0700 Base-Catalyzed Cyclization of Monofluorodienynes: A New Route to Substituted

Fluorobenzene Derivatives. — The site-specific Sonogashira reaction of 1,3-buta-dienes and terminal alkynes, followed by a 6π-cycloaddition reaction, gives only aryl derivatives (V) in good yields. — (WANG, Y.; BURTON*, D. J.; Tetrahedron Lett. 47 (2006) 52, 9279-9281; Dep. Chem., Univ. Iowa, Iowa City, IA 52242, USA; Eng.) — H. Toeppel

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