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ChemInform Abstract: Novel Heteroaromatic System: The Thieno[3′,4′:4,5]thieno[2,3-c]pyrylium Cation.

✍ Scribed by S. V. Tolkunov; V. I. Dulenko

Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
33
Category
Article
ISSN
0931-7597

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Synthesis of the Novel Thieno[4,3,2-ef ][1,4]benzoxazepine Ring System: 4,5-Dihydro-3-(4-pyridinyl)thieno[4,3,2-ef ][1,4]benzoxazepine Maleate. -The title heterocycle (VI) is synthesized from thiophene (I) by employing an intramolecular nucleophilic aromatic fluoride displacement. Compound (VI) rear