Publication | Closed Access
Fulgides as Efficient Photochromic Compounds. Role of the Substituent on Furylalkylidene Moiety of Furylfulgides in the Photoreaction
73
Citations
6
References
1988
Year
EngineeringE–z IsomerizationSynthetic PhotochemistryOrganic ChemistryChemistryAbstract Quantum YieldsChemical EngineeringPhotoredox ProcessPhotophysical PropertyPhotochemistryPhysicsMechanistic PhotochemistryEfficient Photochromic CompoundsFurylalkylidene MoietyPhysical ChemistryQuantum ChemistrySupramolecular PhotochemistryPhotochromismNatural SciencesQuantum Yield
Abstract Quantum yields of photoreactions of furylfulgides having Me, Et, n-Pr, or i-Pr on the furylalkylidene moiety were measured. The E–Z isomerization was greatly suppressed and the cyclization was accelerated when the alkyl group (R) became bulkier. When R was i-Pr, no E–Z isomerization was observed and the quantum yield of the colorizing cyclization was 0.62.
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