Abstract
Protoporphyrin reacts with diazomethane to give pyrazolines which at long wavelength (approximately 630 nm) extrude nitrogen to give the corresponding cyclopropyl derivatives.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Cross-Linking Reagents / chemical synthesis
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Cross-Linking Reagents / chemistry
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Light*
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Nitrogen / chemistry*
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Photochemotherapy
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Photosensitizing Agents / chemical synthesis
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Photosensitizing Agents / chemistry
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Porphyrins / chemical synthesis
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Porphyrins / chemistry*
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Pyrazoles / chemical synthesis
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Pyrazoles / chemistry*
Substances
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Cross-Linking Reagents
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Photosensitizing Agents
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Porphyrins
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Pyrazoles
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chlorin
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Nitrogen