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Abstract
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.
| Original language | English |
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| Pages | 4th Sigma-Aldrich Organic Synthesis Meeting, Abstracts, Spa, Belgium, 07.-08.12.2000 |
| Number of pages | 1 |
| Publication status | Published - 2000 |
| Event | 4th Sigma-Aldrich Organic Synthesis Meeting - Spa, Belgium Duration: 7 Dec 2000 → … |
Conference
| Conference | 4th Sigma-Aldrich Organic Synthesis Meeting |
|---|---|
| Country/Territory | Belgium |
| City | Spa |
| Period | 7/12/00 → … |
Keywords
- porphyrin
- quinodimethane
- oxidative alkylation
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Dive into the research topics of 'Oxidative Alkylation of tetrakis(4-Hydroxyaryl)porphyrins'. Together they form a unique fingerprint.-
Porphotetramethenes with 1,3-alternate conformation of pyrrole rings from oxidative N-alkylation of porphyrin tetraphenols
Dolusic, E., Toppet, S., Smeets, S., Van Meervelt, L., Tinant, B. & Dehaen, W., 2003, In: Tetrahedron. 59, 3, p. 395-400 6 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile200 Downloads (Pure) -
Porphotetramethenes (Calix[4]pyrroletetraquinomethides) from Oxidative N-Alkylation of Porphyrin Tetraphenols
Dolusic, E., Toppet, S., Smeets, S., Van Meervelt, L., Tinant, B. & Dehaen, W., 2001, p. 5th Sigma-Aldrich Organic Synthesis Meeting, Abstracts, Spa, Belgium, 06.-07.12.2001, pp. 11-11. 1 p.Research output: Contribution to conference › Poster
Activities
- 2 Participation in conference
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5th Sigma-Aldrich Organic Synthesis Meeting
Eduard Dolusic (Poster)
6 Dec 2001 → 7 Dec 2001Activity: Participating in or organising an event types › Participation in conference
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4th Sigma-Aldrich Organic Synthesis Meeting
Eduard Dolusic (Poster)
7 Dec 2000 → 8 Dec 2000Activity: Participating in or organising an event types › Participation in conference
Student theses
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PhD in organic chemistry Katholieke Universiteit Leuven, Belgium, 2000 - 2004 (Prof. Wim Dehaen)
Author: Dolusic, E., 2004Student thesis: Doc types › Doctor of Sciences