CD data of all four diastereoisomers of the permethylaryl ether 3-O-acetyl derivatives of a series of flavan-3-ols permit assignment of the absolute configuration at the stereocentres of the heterocyclic ring.
References
1.
GaffieldW., Tetrahedron, 1970, 26, 4093.
2.
KorverO., and WilkinsC. K., Tetrahedron, 1971, 27, 5459.
3.
van der WesthuizenJ. H., FerreiraD., and RouxD. G., J. Chem. Soc., Perkin Trans. 1, 1981, 1220.
4.
BothaJ. J., YoungD. A., FerreiraD., and RouxD. G., J. Chem. Soc., Perkin Trans. 1, 1981, 1213.
5.
BothaJ. J., FerreiraD., and RouxD. G., J. Chem. Soc., Perkin Trans. 1, 1981, 1235.
6.
van RensburgH., van HeerdenP. S., and FerreiraD., J. Chem. Soc., Perkin Trans. 1, 1997, 3415.
7.
SnatzkeG., KajtarM., and SnatzkeF., in Fundamental Aspects and Developments in Optical Rotatory Dispersion and Circular Dichroism, ed. CiardelliF., and SalvadoriP., Heyden & Son Ltd., London, 1973, 148.
8.
DornhegeE., and SnatzkeG., Tetrahedron, 1970, 26, 3059.
9.
PorterL. J., WongR. G., BensonM., ChanB. G., VishwanadhanV. N., GandourR. D., and MatticeW. L., J. Chem. Res., 1986, (S) 86; (M) 0830.
