Total Syntheses

Reaction scheme for total synthesis of the natural product Lycopladine A
Total synthesis of Lycopladine A:
Reference:Staben, S. T.; Kennedy-Smith, J. J.; Huang, D.; Corkey, B. K.; LaLonde, R. L.; Toste, F. D. Angew. Chem. Int. Ed. 2006, 45, 5991-5994 DOI
Reactions:Electrocyclic-6π • Pd/B-Vinyl+Vinyl-X • Alkyne → Alkynyl-I • Sn-Allenyl+Enone • Enone+Sn-R • ConjAdd Sn-R • ConjAdd-Silylation • Carboauration Alkyne • EnolSilane+Carbonium • Cyclopentene • Bicyclo(430) • Pd/B-Alkyl+Vinyl-X • Enone → Enone-α-Halo • Pyridine synthesis • O-Bn → O-H • Alkene isomerization-EZ •
Reagents:NaOMe • I2 • Iodosobenzene-TFA • Pyridine • Vinyl-I • Alkyl-BR2 • PdCl2(dppf) • AsPh3 • Allenyl-SnR3 • SiMe2tBu-OTf • NIS • AgNO3 • Alkynyl-I • AuCl·L • AgBF4 • Vinyl-I • Vinyl-BR2 • Pd/C • DMF (solvent) • Cyclohexadiene •