Synthesis Of (E) And (Z)-5-Dicyanomethylene-4-Dicyclopropyl Methylene-3-[1-(2,5-Dimethyl-3 Furanidyl) Ethylene]Tetrahydrofurane-2-One

Chinese Journal of Organic Chemistry（1999）

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摘要

Chromatographic separation of (E/Z) - 4 - dicyclopropyl methylene - 3 - [1 - (2,5 - dimethyl - 3 - furanidyl)ethylene] tetrahydrofurane - 2,5 - dione and the synthesis of (E) and (Z) - 5 - dicyanomethylene - 4 - dicyclopropylmethylene - 3 - [1 - (2,5 - dimethyl - 3 - furanidyl) ethylene] tetrahydrofurane - 2 - one is described.

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关键词

fulgenic anhydride, photochromism, coupling resonance, dicyclopropanoic

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