... b G. Cum, C. Sindona, N. Uccella; J. Chem. Soc., 1 (1976), p. 719 Perkin Trans. ... 12); L. Bruche, ML Gelmi, G. Zecchi; For some additional leading references, see J. Org. Chem., 50 (1985), p. 3206. ... 13); A. Padwa, KF Koehler, A. Rodriguez; J. Org. Chem., 49 (1984), p. 282. ...
[Padwa, Albert; Kline, Donald N.; Koehler, Konrad F.; Matzinger, Michael; Venkatramanan, M. K. Journal of Organic Chemistry, 1987 , vol. 52, # 17 p. 3909 - 3917]