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Org Lett. 2007 Jan 18;9(2):319-22.

Chiral aggregates formed from methylated tetraenoic fatty acids: formation of both antipodes of chiral aggregates from a single enantiomer and time-dependent stereomutation.

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1
Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, USA.

Abstract

Formation and behaviors of chiral aggregates of methylated tetraenoic fatty acids (TE-FAs) were reported. In the C-24 TE-FA series, the aggregate prepared by dispersing an ethanol stock solution of C-24 TE-FA 1b into sodium phosphate buffer gave a strong positive Cotton effect, whereas the aggregate prepared from a methanol stock solution gave a negative Cotton effect. In the C-20 TE-FA series, the aggregate prepared from an ethanol stock solution of C-20 TE-FA 2b exhibited time-dependent chirality inversion. [see text].

PMID:
17217294
DOI:
10.1021/ol062834d
[Indexed for MEDLINE]
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