Cyclobutanones from Enamines and Ketenes
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Dipl.-Chem. P. Otto; Dr. L. A. Feiler; Prof. Dr. R. Huisgen
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Article
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1968
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John Wiley and Sons
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English
β 223 KB
π 1 views
F (7) (8) U (8)O (3),(4), R = Br (4),( 7), kl = COOCH3 Table I . Rearrangements of the monosubstituted bullvalenes ( 3 ) -( 5 ) . 254 (3600) 263 (3680) 272 (2900) sh ~ 256 (3340) 265 (3270) 276 (2240) sh --. -4.3, m; i 7 : 5.0, pseudoquartet, (together 7H); T = 6.8 (2H), broad m [el 257 (3380) 266