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ChemInform Abstract: Synthesis of 2,2-Dimethyl-2H-chromenes

โœ Scribed by Albert Levai; Tibor Timar; Peter Sebok; Tibor Eszenyi


Publisher
John Wiley and Sons
Year
2010
Weight
24 KB
Volume
31
Category
Article
ISSN
0931-7597

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5] octane-1,1,2,2-tetracarbonitrile in Synthesis of Heterocyclic Compounds of 2,3-Dihydrofuran and 5,6,7,8-Tetrahydro-4H-chromene Series. -Reaction of tetracyanoethylene (I) with 2-bromodimedone (II) affords the tetracyanospiro[2.5]octane (III) in high yield. On reaction with alcohols or oximes (I