Number | Name | Date | Kind |
---|---|---|---|
3609148 | Hoegerle et al. | Sep 1971 | |
3835145 | Dickinson et al. | Sep 1974 |
Entry |
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Blatter et al., Tetrahedron Letters, No. 18, pp. 1087-1091, (1964). |
Howard et al., J. of Organic Chemistry, vol. 25, pp. 829-832, (1960). |
Fairfull et al., Jour. Chem. Soc., pp. 796-802, (1955). |