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- W2004357342 abstract "In view of the unique photochromic property of salicylaldehyde 2-quinolylhydrazone (1) in solution, a systematic study of the effects of hydrazone substituents on photochromism has been made. We have synthesized nine derivatives of (1) which are photochromic, eleven non-photochromic derivatives, and three non-quinolylhydrazones for comparison. On this basis, the following structural criteria for a hydrazone R1R2N·N:CR3R4 to exhibit photochromism in solution are derived: R1 and R2 should be H and an unsaturated system containing an α-imino-group; R3 and R4 should be H and an α-enol, the latter being capable of internal chelation." @default.
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- W2004357342 date "1975-01-01" @default.
- W2004357342 modified "2023-09-24" @default.
- W2004357342 title "Structural criteria for hydrazone photochromism in solution" @default.
- W2004357342 doi "https://doi.org/10.1039/p19750002036" @default.
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