A Short Synthesis of the 4-Demethoxy-11-deoxyanthracycline Skeleton. Regiospecific Enolate C-Carboxylation with Carbon Oxysulfide
Regiospecific C-carboxylation of enolate 2 and COS followed by methylation (CH3I) and cuprous triflate cyclization results in a tetracyclic product 9 which can be converted into 11-deoxyanthracyclines.
Vedejs, E.,Nader B.
p. 3193 - 3195
(2007/10/02)
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