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Li Zhongjie, Tan Yongsheng, Ma Yinmin, Wang Xiaoxin. SYNTHESIS OF SOME SUBSTITUTED INDOLINOSPIRONAPHTHOXAZINES[J]. Chinese Journal of Applied Chemistry,
;1992, 9(4): 83-86.
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Some N-alkyl, 5'-methoxycarbonyl and 8'-bromo derivatives of spiro[indoline-2,3'-3H-naphth[2,1-b] [1,4]oxazines] were synthesized by reacting corresponding substituted nitrosoonaphthols with Fischer base in anhydrous ethanol. Their structures were identified by elemental analysis and spectral methods. The photochromic behavior of the spirooxazines in toluene solution and polymer film were also examined.
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Keywords:
- spirooxazine,
- photochromism
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