Photochromic processes in spiro (1, 3, 3-trimethylindolo-2, 2′-naphth [1, 2-b]-1, 4-oxazine) studied using two-laser two-colour techniques

…, MG Fan, ZJ Li, J Lusztyk, JC Scaiano

Index: Bohne, C.; Fan, M. G.; Li, Z. J.; Lusztyk, J.; Scaiano, J. C. Journal of the Chemical Society, Chemical Communications, 1990 , # 7 p. 571 - 572

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Citation Number: 26

Abstract

The photochemistry of the photomerocyanine from the title compound shows dramatic differences between polar and non-polar media; in the latter it involves the intermediacy of a ground state species with a lifetime of ca. 4µs which regenerates the merocyanine almost quantitatively.