Table 1.

500 MHz ¹H NMR spectral data and assignments for (+)-germacrene A (1) at 25° C.

protona	CDC13 δHb	C6D6 δHb
	5.26-5.15 (m)	5.22-5.05 (m)
	5.15-5.05 (m)
	5.05-4.98 (m)	5.04-4.94 (m)
	4.98-4.90 (m)	4.94-4.84 (m)
		4.81 (s)
	4.78 (brd, 11.5)
12	4.67 (s)	4.79 (s)
	4.65-4.58 (m)
1		4.78-4.69 (m)
12’	4.57 (s)	4.68 (s)
5	4.54 (brd, 10.0)	4.52 (brd, 10.5)
2,3,6,7,9	2.44-1.78 (m)c	2.48-1.75 (m)c
8α		1.73-1.59 (m)
13	1.73 (d, 2.5)	1.67 (s)
	1.53 (brs)
8β		1.55-1.57(m)
15	1.49 (brs)	1.45 (brs)
		1.42 (brs)
14	1.40 (brs)	1.31 (brs)

^aAssignments based on ref 26.

^bMultiplicity and J values in Hertz are given in parenthesis

^cNine allylic protons