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Total synthesis of Podophyllotoxin Analog :
Reference: Pearce H. L.; Back, N. J.; Cramer, T. L. Tetrahedron Lett. 1989, 30, 907. DOI
Keywords: Li/Br → Li-Aryl • Li-Aryl+Imine • Amine-6 • Imine+Li-R • Bromoetherification •
Reagents: Tribromide, pyridinium • Me2C(OMe)2 • Aryl-Li • BuLi(n) • HMPA (solvent) •

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