Communic acids pimaranes

Organomercuiial intermediates have aiso been utilized in the biotnimetic conversion of communic acids to the pimarane system, during which the radical involved in the NaBH4-demercuration step was captured by oxygen. Treatment of rrnns-communic acid with Hg(OAc)2 (2 equiv.), followed by reduction, led to (44) and (45) and other products. These results are consistent with the intervention of the radical formed fh)m the dimercurial (46) and, indeed, separate reduction in the presence of oxygen provided the peroxy compound (45) directly (Scheme 36). 

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See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ , ]

See also in sourсe #XX -- [ , ]

See also in sourсe #XX -- [ ]

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