The Pentaphenylborole–2,6‐Lutidine Adduct: A System with Unusual Thermochromic and Photochromic Properties | Zendy

Ansorg Kay | Zendy; Braunschweig Holger | Zendy; Chiu ChingWen | Zendy; Engels Bernd | Zendy; Gamon Daniela | Zendy; Hügel Markus | Zendy; Kupfer Thomas | Zendy; Radacki Krzysztof | Zendy

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The Pentaphenylborole–2,6‐Lutidine Adduct: A System with Unusual Thermochromic and Photochromic Properties

Author(s) -

Ansorg Kay,

Braunschweig Holger,

Chiu ChingWen,

Engels Bernd,

Gamon Daniela,

Hügel Markus,

Kupfer Thomas,

Radacki Krzysztof

Publication year - 2011

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201006234

Subject(s) - photochromism , thermochromism , adduct , irradiation , photochemistry , absorption (acoustics) , carbon fibers , chemistry , materials science , optics , organic chemistry , physics , nuclear physics , composite number , composite material

Changing color : The pentaphenylborole–2,6‐lutidine adduct 1 has unusual photophysical properties. Cooling a solution of 1 results in the disappearance of the absorption band at 578 nm and a color change from blue to yellow. Irradiation of 1 at low temperatures leads to a migration of lutidine from boron to the adjacent carbon with BC bond formation and a color change to green.

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