A TiCl(4)-promoted domino semipinacol-Schmidt reaction of oxaspiropentane-azide provides an easy access to bridged azatricyclic ring systems, which possess the azaquaternary center, present in the immunosupressant FR901483 and platelet aggregation inhibitor daphlongeranine B.
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| http://dx.doi.org/10.1039/c2cc31906c | DOI Listing |
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