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. Author manuscript; available in PMC: 2013 Mar 18.
Published in final edited form as: J Nat Prod. 2011 Aug 22;74(9):1842–1850. doi: 10.1021/np2000667

Table 4.

Confidence Level Data for the IR and VCD Spectra of 1 and its 11R-Diastereoisomer.

Epimer a anH b SIR c SE d S−E e ESI f C
1 0.968 89.9 70.6 13.6 57.0 100
11epi-1 0.974 - 62.0 18.5 43.5 76
a

Anharmonicity factor.

b

IR spectral similarity.

c

VCD spectral similarity for the correct enantiomer.

d

VCD spectral similarity for the incorrect enantiomer.

e

Enantiomer similarity index, calculated as the SE - S−E difference.

f

Confidence level for the stereochemical assignment.