Nonbenzenoid aromatic systems. X. Formation, nuclear magnetic resonance spectral identification, and reactions of both Meisenheimer type and methyleneazulenate …
RN McDonald, HE Petty, NL Wolfe…
文献索引：McDonald,R.N. et al. Journal of Organic Chemistry, 1974 , vol. 39, # 13 p. 1877 - 1887
Meisenheimer Type and Methyleneazulenate Anions J. Org. Chem., Val. 39, No. 13, 1974 1877 ll-keto-14-isoequilenin-3-methyl ether (14a), mp 158-160", 18 m/e 294, whose identity was confirmed by comparison of its ir in potassium bromide with that of the optically active form 14b, mp 187-189", obtained by methylation of ll-keto-14-isoequilenin14~ 1s with diazomethane. l8 Elution with 5% ether in benzene yielded a solid which after ...
