in acetic acid heating of tetra4-methoxy-phenyl)-prophine and Co(II)-acetate in acetic acid;; chromatographic purification with CHCl3 as solvent; recrystallisation in a CHCl3-CH3OH-mixture;;
参考文献
Journal of the American Chemical Society, , vol. 81, p. 5111 - 5119
Wender et al.
Journal of the American Chemical Society, 1951 , vol. 73, p. 2656
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Wender; Levine; Orchin
Journal of the American Chemical Society, 1949 , vol. 71, p. 4160