Synthesis of 6,6-dialkyl-4,8-dioxo-5,7-dioxaspiro[2.5]octane-1,1,2,2- tetracarbonitriles and 2,2,3,3-tetracyanocyclopropanecarboxylic acid
β Scribed by O. V. Kayukova; Ya. S. Kayukov; A. N. Nikolaev; O. E. Nasakin
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2004
- Tongue
- English
- Weight
- 43 KB
- Volume
- 40
- Category
- Article
- ISSN
- 1070-4280
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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