Spiropyrans and spirooxazines 5. Synthesis of photochromic 8-(4,5-diphenyl-1,3-oxazol-2-y1)-substituted spiro[indoline-benzopyrans] |
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| Authors: | N A Voloshin E B Gaeva A V Chernyshev A V Metelitsa V I Minkin |
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| Institution: | 1.Southern Scientific Center,Russian Academy of Sciences,Rostov-on-Don,Russian Federation;2.Scientific Research Institute of Physical and Organic Chemistry,Southern Federal University,Rostov-on-Don,Russian Federation |
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| Abstract: | Photochromic spiroindoline-benzopyrans] containing 4,5-diphenyloxazolyl group at position 8 of the benzopyran fragment have
been obtained. New diphenyloxazolyl-substituted spiropyrans manifest considerably higher thermal stability of the merocyanine
isomers than their naphthopyran analogs. |
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