Syntheses and Cytotoxicity of (R)- and (S)-7-Methoxycryptopleurine

We thank the Spanish Ministerio de Ciencia e Innovacion (CTQ2011-24165) for financial support. I.B. acknowledges the Generalitat Valenciana for a postdoctoral fellowship (ACIF/2011/159). C.A.-T. thanks the ISO for a grant.