Reactivity-Gated Photochromism of 1,2-Dithienylethenes for Potential Use in Dosimetry Applications

Lemieux, Vincent; Branda, Neil R.

doi:10.1021/ol050971p

Cited by 95 publications

(41 citation statements)

References 9 publications

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“…2. Close inspection of the molecular architecture suggested that the C-4 and C-11 stereogenic centers of desired absolute configurations in 1c could be built up from a bis-epoxide (5) and the C-17 stereogenic center might be taken from (R)-propylene oxide (8). Accordingly, the framework of 1c could be disconnected at the carbonecarbon double bond, leading to fragments 2 and 3b.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of the structures proposed for natural butanolides piliferolides A and C

et al. 2011

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Section: Resultsmentioning

confidence: 99%

Synthesis of the structures proposed for natural butanolides piliferolides A and C

et al. 2011

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“…A reactivity-gated photochromism of diarylethenes was illustrated recently (Scheme 9) [26]. The bridging unit was modified to butadiene and butadiene's derivatives.…”

Section: Bridging Unitsmentioning

confidence: 99%

Molecular Structure Analysis of Photochromic Diarylethene

Chen¹

2007

COC

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Photochromic diarylethene have received considerable attention because of their potential photonic applications. All of these applications come from the fact that when stimulated with light at appropriate wavelengths, the physical and chemical properties can be reversibly modulated. During the last decade, more and more decoration on the general structures of diarylethene and novel skeletons beyond the general structures have been developed from many motivation aspects, such as seeking for facile synthetic routes, the ability to tailor the physical and chemical properties in flexible manner and etc. This article describes recent novel development of molecular structure design strategies of diarylethene.

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“…Up to now, a great deal of photochromic compounds based on spiropyrans, spiroxazine, dithienylethenes, fulgides, and Schiff bases have been extensively investigated [9][10][11][12][13][14][15][16][17][18]. Most recently, the design, synthesis, and study of novel photochromic system attracted particular interest.…”

Section: Introductionmentioning

confidence: 99%

Structure and solid-state photochromic properties of two new compounds with pyrazolone-ring

2009

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Two new organic photochromic compounds based on pyrazolone were synthesized and further characterized by elemental analysis, MS, IR spectra, and 1 H NMR spectra. The photochromic properties and photochemical kinetics of them have been studied by UV absorption spectra under irradiation of 365 nm light. The photochromism of pyrazolone derivatives in the solid state has been so far explained only in terms of the light-induced change of absorption and their crystal structures, which is caused by the shift of the tautomeric equilibrium between the enol and keto forms. In this work, their IR spectra have been measured before and after irradiation. Based on the IR spectra and crystal structure analysis, a reasonable mechanism was proposed, the photochromic phenomenon may be due to the photoisomerization from enol-form to ketoform through proton transfer.

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Reactivity-Gated Photochromism of 1,2-Dithienylethenes for Potential Use in Dosimetry Applications

Cited by 95 publications

References 9 publications

Synthesis of the structures proposed for natural butanolides piliferolides A and C

Synthesis of the structures proposed for natural butanolides piliferolides A and C

Molecular Structure Analysis of Photochromic Diarylethene

Structure and solid-state photochromic properties of two new compounds with pyrazolone-ring

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