Tetrakis(trialkylsilylethynyl)butatriene and 1,1,4,4‐Tetrakis(trialkylsilylethynyl)‐1,3‐butadiene: Novel Cross‐Conjugated Chromophores | Zendy

van Loon JanDirk | Zendy; Seiler Paul | Zendy; Diederich François | Zendy

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Tetrakis(trialkylsilylethynyl)butatriene and 1,1,4,4‐Tetrakis(trialkylsilylethynyl)‐1,3‐butadiene: Novel Cross‐Conjugated Chromophores

Author(s) -

van Loon JanDirk,

Seiler Paul,

Diederich François

Publication year - 1993

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199311871

Subject(s) - cumulene , conjugated system , double bond , chromophore , 1,3 butadiene , chemistry , rhodium , photochemistry , polymer chemistry , molecule , organic chemistry , catalysis , polymer

The first tetraethynyl[3]cumulene derivatives 2 have been prepared from 1 and structurally characterized by X‐ray analysis. The central butatiene double bond is the most reactive site in 2 and can be selectively reduced by triphenylphosphane in the presence of water to form the strongly fluorescing 1,1,4,4‐tetraethynyl‐1,3‐butadiene. Rhodium( I ) also undergoes complexation at the central cumulene double bond. R = SiMe 3 , Si i Pr 3 .

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