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Selective Vilsmeier-Haack aryl-formylations of tetrathienylporphyrin and its Ni(II) complex

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Author(s):
Momo, Patricia B. ; Sampaio, Olivia M. ; Brocksom, Timothy J. ; de Oliveira, Kleber T.
Total Authors: 4
Document type: Journal article
Source: JOURNAL OF PORPHYRINS AND PHTHALOCYANINES; v. 19, n. 6, p. 8-pg., 2015-06-01.
Abstract

Regioselective aryl-formylations of tetrathienylporphyrin and its Ni(II) complex were performed with the Vilsmeier-Haack reaction. We have studied different solvents and temperatures to obtain the mono, di, tri and tetra-formylated porphyrins, all at the alpha-position of the thienyl groups. No beta-formylations were observed and the four different formylated products presented here are suitable intermediates for subsequent extended conjugation reactions. (AU)

FAPESP's process: 13/06532-4 - Cross-coupling reactions on the synthesis of new photosensitizers with high conjugation
Grantee:Kleber Thiago de Oliveira
Support Opportunities: Regular Research Grants
FAPESP's process: 13/07276-1 - CEPOF - Optics and Photonic Research Center
Grantee:Vanderlei Salvador Bagnato
Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC
FAPESP's process: 11/13993-2 - Methodologies for the synthesis of bioactive terpenes
Grantee:Timothy John Brocksom
Support Opportunities: Regular Research Grants