Title

Syntheses and unusual spectroscopic properties of novel ketobacteriopurpurins

Document Type

Article

Publication Date

2-5-1996

Abstract

Nuclear Overhauser enhancement experiments show that migratory attitudes of alkyl groups in various vic-dihydroxybacteriopurpurins are different for individual stereoisomers. Long wavelength absorption maxima of ketobacteriopurpurins obtained from pinacol-pinacolone rearrangements of the corresponding diols are influenced by the position of the keto group in the macrocycle; differences in these maxima are diminished by introduction of electron-withdrawing substituents.

Publication Source (Journal or Book title)

Tetrahedron Letters

First Page

747

Last Page

750

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