Title

Syntheses of stable bacteriochlorophyll-a derivatives as potential photosensitizers for photodynamic therapy

Document Type

Article

Publication Date

9-2-1996

Abstract

New methods for conversion of unstable bacteriochlorophyll-a present in Rb. sphaeroides into stable bacteriochlorins are presented. Cyclic imide derivatives from related cyclic isoimide or amide analogs are obtained by intramolecular base catalyzed cyclization. Most of the new bacteriochlorins have long wavelength absorptions in the range of 796-822 nm. In preliminary screening, the isoimide analogs have shown promising in vivo photosensitizing activity for the treatment of cancer by photodynamic therapy.

Publication Source (Journal or Book title)

Tetrahedron Letters

First Page

6431

Last Page

6434

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