Synthesis of verdinochlorins: a new class of long-wavelength absorbing photosensitizers
- 1 January 1998
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 10,p. 1083-1084
- https://doi.org/10.1039/a801367e
Abstract
Reaction of 132-oxopyropheophorbide a with CH2N2 produced three isomeric methoxyverdinochlorins via expansion of the cyclopentanedione ring E; these long-wavelength absorbing verdinochlorins represent the first example of verdins with a reduced pyrrolic ring system, and their structural assignments have been made on the basis of 1H NMR studies; a mechanism of verdinochlorin formation is discussed.Keywords
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