Unusual solvatochromism in phosphonylated polythiophenes. Poly[3-(11-diethylphosphorylundecyl)thiophene]Dedicated to Professor Przemysław Mastalerz on the occasion of his 75th birthday.First presented in part at The Fifth Chemical Congress of North America, Cancun, Quintana Roo, Mexico, November 11–15, 1997, p. 123.Electronic supplementary information (ESI) available: solutions of 2 in CH2Cl2 (left) and MeOH (right). See http://www.rsc.org/suppdata/cc/b0/b001621g/

Abstract

Highly stereoregular poly[3-(11-diethylphosphorylundecyl)thiophene] 2 is soluble in both aprotic and protic solvents, yet displays a remarkable solvatochromism involving a hydrogen bond network with the phosphonate moiety.