Carbon-rich molecules: synthesis and isolation of aryl/heteroaryl terminal bis (butadiynes)(HC [triple bond, length as m-dash] C–C [triple bond, length as m-dash] C–Ar …

…, C Wang, AS Batsanov, MR Bryce

Index: West, Kara; Wang, Changsheng; Batsanov, Andrei S.; Bryce, Martin R. Organic and Biomolecular Chemistry, 2008 , vol. 6, # 11 p. 1934 - 1937

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Abstract

The synthesis, isolation and characterisation are reported for a series of terminal aryl/heteroaryl bis (butadiynes)(HCC–CC–Ar–CC–CCH) 4a–e including the X-ray molecular structure of the 2, 5-pyridylene derivative 4d; compound 4a and the mono-protected analogue [HCC–CC–Ar–CC–CC–C (OH) Me2] 5a serve as convenient precursors for the synthesis of highly-conjugated oligo (arylenebutadiynylene) s.