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Femtosecond UV/mid-IR study of photochromism of the spiropyran 1′,3′-dihydro-1′,3′,3′-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2′-(2H)-indole] in solution

✍ Scribed by Ann-Kathrin Holm; Matteo Rini; Erik T.J. Nibbering; Henk Fidder


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
215 KB
Volume
376
Category
Article
ISSN
0009-2614

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Resonance raman studies of transient spe
✍ Hiroaki Takahashi; Keiichi Yoda; Hiroaki Isaka; Tomoyuki Ohzeki; Yoshiki Sakaino 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 472 KB

Resonance Raman spectra of transient species of 1 ',3',3'-trimethylspiro-[2H-l-benzopyran-2,2'-indoline] in various solvents reveal that at least four transients having merocyanine-like structures are involved in the photochromism of this compound. It is concluded that the transient species in aliph