Synthesis of directly meso-meso linked b
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Mathias O. Senge; Xiangdong Feng
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Article
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1999
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Elsevier Science
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French
β 209 KB
Reaction of easily available 5,15-disubstituted free base porphyrins with organolithium reagents under anhydrous conditions affords 5,10,15-trisubstituted porphyrin anions that, upon oxidation with DDQ (2,3-dichloro-5,6-dicyano-p-quinone), give directly linked (5,5') bisporphyrins in good yields. Th