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The Control of Photochromism of [3<i>H</i>]-Naphthopyran Derivatives with Intramolecular CH−π Bonds

Michel Frigoli, François Maurel, Jérôme Berthet, Stéphanie Delbaere, Jérôme Marrot, Maria Manuel Oliveira

Organic Letters · 2012 · 33 citations · 22 references

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Abstract

The photochromism of [3H]-naphthopyran derivatives can be switched from T-type to inverse- or P-type through the manipulation of relative thermodynamic stabilities of open isomers with intramolecular CH-π bonds.

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