Synthesis of Well-Defined Oligo(2,5-dialkoxy-1,4-phenylene vinylene)s by Combined Olefin Metathesis and Wittig-type Coupling: Effect of Conjugation Repeat Units and End Groups Toward Optical Properties

Defect‐free, highly trans oligo(2,5‐dialkoxy‐1,4‐phenylene vinylene)s [alkoxy = O(CH2)2OSiiPr3] with both repeat units (ex. 9, 15, and 31 repeat units) and end groups (aldehyde, C6F5, terthiophene, ferrocene) well‐defined are prepared by a stepwise combined olefin metathesis using Mo(CHCMe2Ph)(N‐2,6...

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