Wednesday, April 22, 2009

A synthetic proposal of calicheamicinone


This synthetic plan features a rhodium mediated cyclopropanation and a curtius rearrangement. the overall steps is about 16 which is almost half of the existing synthesis!
The biggest problem I can forsee is the stability of the enediyne before the cyclopropanation.

keyword: calicheamicin, calicheamicinone, retrosynthetic plan, proposal, synthesis

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