Skip to main content
. Author manuscript; available in PMC: 2012 Jun 28.
Published in final edited form as: J Am Chem Soc. 2011 Jun 20;133(28):10768–10771. doi: 10.1021/ja204597k

Table 1.

Specific Rotation Values of Natural1 and Synthetic Trigonoliimines A–C (1–3).

Entry Alkaloids Natural ([α]10D) Synthetic ([α]24D)a
1 Trigonoliimine A +13.3 (c 0.3, CHCl3) −294 (c 0.24, CHCl3, 94% ee)
2 Trigonoliimine B +5.0 (c 0.5, CHCl3) −352 (c 0.32, CHCl3, 95% ee)
3 Trigonoliimine C −4.8 (c 0.45, CHCl3) −147 (c 0.12, CHCl3, 96% ee)
a

% ee of the key precursor for the corresponding synthetic trigonoliimine.