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Regioselective pyridination of m-benziporphyrin.
MedLine Citation:
PMID:  12967279     Owner:  NLM     Status:  PubMed-not-MEDLINE    
[reaction: see text] Reaction of tetraaryl-m-benziporphyrin with pyridine and silver tetrafluoroborate yields 22-pyridiniumyl-m-benziporphyrin as the only substitution product. This compound is further rearranged to a fused m-benziphlorin containing a 4a-azafluorene fragment. A mechanism involving a high-valent silver complex is proposed for the pyridination reaction.
Marcin Stepień; Lechosław Latos-Grazyński
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Organic letters     Volume:  5     ISSN:  1523-7060     ISO Abbreviation:  Org. Lett.     Publication Date:  2003 Sep 
Date Detail:
Created Date:  2003-09-11     Completed Date:  2004-02-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100890393     Medline TA:  Org Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3379-81     Citation Subset:  -    
Department of Chemistry, University of Wrocław, 14 F. Joliot-Curie St., Wrocław 50 383, Poland.
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