摘要 |
A method of making a metal complex comprises combining a 1-monoacyldipyrromethane with a compound of the formula R<SUP>1</SUP>R<SUP>2</SUP>MX, wherein M is boron, R<SUP>1 </SUP>and R<SUP>2 </SUP>are each independently organic substituents; and X is an anion leaving group; to produce a metal complex of the formula DMR<SUP>1</SUP>R<SUP>2 </SUP>wherein DH is a 1-monoacyldipyrromethane. The methods and complexes are useful for the purification and synthesis of dipyrromethanes and porphyrins.
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