Transesterification of Exocyclic Ester Group of Methyl Pheophorbide a

Transesterification of Exocyclic Ester Group of Methyl Pheophorbide a

The reaction of methyl pheophorbide a with various alcohols in toluene in the presence of dimethylaminopyridine as a base was investigated. Under these conditions, a chemoselective transesterification of the exocyclic ring proceeds without the use of an activating agent ( N -methyl-2-chloropyridiniu...

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Veröffentlicht in:Russian journal of general chemistry 2019-09, Vol.89 (9), p.1772-1776
Hauptverfasser: Tulaeva, L. A., Gileva, N. V., Belykh, D. V.
Format: Artikel
Sprache:eng
Schlagworte:
Alcohols
Chemical properties
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Chlorophyll
Iodine
Toluene
Transesterification
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Zusammenfassung:The reaction of methyl pheophorbide a with various alcohols in toluene in the presence of dimethylaminopyridine as a base was investigated. Under these conditions, a chemoselective transesterification of the exocyclic ring proceeds without the use of an activating agent ( N -methyl-2-chloropyridinium iodide) or a catalyst (molecular iodine).
ISSN:1070-3632
1608-3350
DOI:10.1134/S107036321909007X