Opening of the extra ring in pheophorbide a methyl ester by the action of amines as a one-step method for introduction of additional fragments at the periphery of chlorin macroring |
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| Authors: | Belykh D V Kopylov E A Gruzdev I V Kuchin A V |
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| Institution: | (1) Department of Materials Engineering, Monash University, 3800 Victoria, Australia;(2) School of Chemistry, Monash University, 3800 Victoria, Australia; |
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| Abstract: | Opening of the extra ring in pheophorbide a methyl ester by the action of amines differing in the number, size, and structure of substituents on the nitrogen atom was
studied with a view to synthesize chlorine e
6 13-carboxamides. Main factors restricting one-step preparation of 13-carboxamides with a desired substituent were revealed.
The obtained experimental data can be used as a basis for predicting the possibility for onestep preparative synthesis of
particular chlorin e
6 13-carboxamide via reaction with one or another amine. |
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