ChemInform Abstract: Photochromic Fulgides: Transformation of the Non-photochromic (Z)-Isomer (I) of a Fulgide into a Highly Photochromic (E)-Isomer (III) via Structural Modification Involving Enhanced Conjugation.

Photochromic fulgides: Transformation of

Photochromic fulgides: Transformation of the non-photochromic (Z)-isomer of a fulgide into a highly photochromic (E)-isomer via structural modification involving enhanced conjugation

✍ Zhiyuan Sun; Ramachandra S. Hosmane; Maher Tadros 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 241 KB

## Abstract The non‐photochromic fulgide (1‐Z) has been successfully converted into the highly photochromic (**3‐Z**) analogue. A dicyanomethylene group was introduced at the 5‐position of **1‐Z** in order to enhance the latter's conjugation properties that would facilitate the photochemical __**Z→