| 摘 要： | Indo1inospirobenzopyranderivatives,describedasbelow,arewe1lknownphotochromicorganiccompounds,whichcanbereversiblyisomerizedbyUVdndvisiblelightirradiation1].Whi1ecrownmoietiesareincorporatedtotheindolinospirobenzopyrans,theymayprovidespirobenzopyranderiva-tiveswithspecificcationbindingabilities,whichcaninduceisomerizationoftheindolinospirobenzopyrans,thusdrasticallyaffectingtheisomerizatione-quilibriumbetweenthespiropyranandthemerocyanineforms2.3].Thesecrownedspirobenzopyranderivativesaremore…
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