380 likes | 594 Views
Total Synthesis of Cribrostatin IV and ET-743. Literature Meeting Presented by Nancy Labbé-Giguère January 30 th , 2006 Danishefvsky, S. et al , J. Am. Chem. Soc. 2005 , 127 , 4596-4598. D-amino acid. What is the structure of Fremy Salt? Mechanism of the reaction?. X.
E N D
Total Synthesis of Cribrostatin IV and ET-743 Literature Meeting Presented by Nancy Labbé-Giguère January 30th, 2006 Danishefvsky, S. et al, J. Am. Chem. Soc.2005, 127, 4596-4598.
What is the structure of Fremy Salt? Mechanism of the reaction?
X • Substrate unstable to mildly basic conditions. • - Ketone was attacked by nucleophile. Cleavage of the β-dicarbonyl bond was observed.
PIFA ?? For the selective oxidation of ring A, see: Conant, J. B.; Fieser, L. F. J. Am. Chem. Soc.1924, 46, 1858.