Citation: Lian He YU, Yang Fu MING, Mei Gong FAN, Ying ZHU. SYNTHESIS AND X-RAY STRUCTURE OF A NEW PYRRYL SUBSTITUTED PHOTOCHROMIC FULGIDE[J]. Chinese Chemical Letters, ;1995, 6(4): 297-300.
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A new heterocyclic fulgide:E-(α)-(1,2-dimethyl-4-isopropyl-5-phenyl)-3-pyrryl ethylidene (isopropylidene) succinic anhydride (1) has been synthesized.The molecular conformation and atomic labelling structure of (1) was obtained by X-ray analyses.Compound (1) shows a twisted structure between different ring systems.The short distance between C1 atom and C22 atom (3.567 Å) offers a favourable structure for the photoinduced intramolecular cyclization of 1.
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