V.Mirkhani et al./ Bioorg.Med.Chem.Lett.13 (2003) 3433–3435
3435
reused. The dried catalyst was consecutively reused four
Acknowledgements
times. After the use of catalyst for four consecutive
times, the carbonyl yield was 90%. The amount of lea-
ched Mn (1.2%) was determined by atomic absorption
spectrometry (Table 2).
The partial support of this work by Isfahan University
Council of Research is acknowledged.
References and Notes
Experimental
1
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2
1,22
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9
1
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,10,15,20-tetrakis-(4-aminophenyl)porphyrin and 5 mL
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7
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2
magnetically and then cooled to room temperature. The
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tively, and dried under vacuum at room temperature for
1
1
1
1
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4. Mirkhani, V.; Tangestaninejad, S.; Moghadam, M. J.
2
4 h. Elemental analysis (Mn) showed that the sup-
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lently bound manganese porphyrin.
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1
General procedure for oxidative decarboxylation of ꢀ-
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1
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1
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–8 h. Progress of the reaction was followed by TLC.
2
After the reaction was completed, the polymer beads
were filtered off and the filtrates were extracted with
CH Cl and were purified by silica gel plate or silica gel
2
2
2
Geterotsikl.Soed 1982, 10, 1354.
22. Adler, A. D.; Longo, F. R.; Kampas, F.; Kim, J. J. Inorg.
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column (eluent: CCl –Et O). The identities of products
4
2
1
were confirmed by IR and H NMR spectral data.