. Author manuscript; available in PMC: 2010 Jul 7.

Published in final edited form as: Tetrahedron. 2007 Sep 6;63(32):7733–7742. doi: 10.1016/j.tet.2007.04.037

Table 3.

Selected 500 MHz ¹H NMR data (CDCl₃, −20° C) for the (+)-germacrene A (1) conformers a (52%), b (29%), and c (19%), (δ_H, m, (J in Hz)).

	H-12	H-12’	H-13	H-14	H-15	H-1	H-5
a	4.65 s	4.54 s	1.71 s	1.37 s	1.52 s	4.78 dd (11.2, 4.0)	4.51 d (10.0)
b	4.65 s	4.57 s	1.70 s	1.54 s	1.46 s	5.01 t (8.1)	5.07 dd (9.5, 6.6)^a
c	4.65 s	4.51 s	1.71 s	1.68 s	1.48 s	4.94 d (12.1)	5.21 t (7.9)

Multiplicity and J values at −30° C.