Oxidative alkylation of tetrakis(4-hydroxyaryl)porphyrins (CROSBI ID 478655)
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Podaci o odgovornosti
Dolušić, Eduard ; Smeets, Stefan ; Dehaen, Wim
engleski
Oxidative alkylation of tetrakis(4-hydroxyaryl)porphyrins
The attempted O-benzylation of tetrakis(3,5-bis(t-butyl)-4-hydroxyphenyl)porphyrin gave a product which was clearly having a different structure than expected. NMR, UV, X-ray and MS spectral analysis showed that it corresponded to a N-tetraalkylated oxidized product, having a tetrakis(quinomethide) structure. The reaction conditions were optimized to influence the degree and regioselectivity of this reaction with different alkylation reagents.
porphyrin; quinodimethane; oxidative alkylation
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Podaci o prilogu
10-10-x.
2000.
objavljeno
Podaci o matičnoj publikaciji
Podaci o skupu
4th Sigma-Aldrich Organic Synthesis Meeting
poster
07.12.2000-08.12.2000
Spa, Belgija