Thiophene derivatives active in non-linear optics; materials...

C - Chemistry – Metallurgy – 07 – D

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C07D 333/04 (2006.01) C07D 333/24 (2006.01) C07D 409/00 (2006.01) C07F 9/40 (2006.01) G02F 1/35 (2006.01) G02F 1/361 (2006.01)

Patent

CA 2010528

PRECIS DE LA DIVULGATION La présente invention concerne de nouveaux composés thiophéniques de formule générale: Image (I) dans laquelle: n est un nombre entier compris entre 1 et 10, avantageusement entre 1 et 4. A est un groupement accepteur d'électrons; D est un groupement donneur d'électrons. Ces composés présentent une forte hyperpolarisabilité et une excellente stabilité photochimique. Ces composés sont notamment utiles dans les dispositifs optiques ou électrooptiques pour leur activité en optique non linéaire.

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