Christopher D. Gabbutt

TL;DR: A comprehensive review of negatively photochromic switches can be found in this paper, where the authors examine the dark side of photochromism, namely the ability of these molecules to undergo structural and electronic reorganisation which has been seized upon by materials scientists for the development of switches, logic gates, photoinduced molecular motions such as rotors and fibrils, and photoregulation of drug availability.

TL;DR: In this paper, the photochromic naphtho[1,2-b]pyrans were obtained from 2-methyl-1-naphthol under alumina catalysis.

TL;DR: In this paper, a range of polymerisable photochromic naphthopyrans were prepared via the synthesis of an acrylate moiety on either the naphthalene ring (R) and/or the di-aryl (Ar) rings on the 3-position of the polymeric support.

TL;DR: A naphthopyran compound of general formula (I) is defined in this article as a group of the formula -NR2R3 wherein each of R2 and R3, which may be the same or different, independently represents an alkyl, alkenyl, carbocyclic or heterocyclIC group, or R4 and R5 taken together with the carbon atom to which they are attached form a carbocycric ring or a heterocycic ring, and R6 represents a hydrogen atom or a substituent selected from