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Communication | Special issue | Vol 7, No. 1, 1977, pp.67-72
Published online, 1st January, 1970
DOI: 10.3987/S-1977-01-0067
Syntheses and Properties of meso-Methyl Porphyrins and Chlorins

Michael J. Bushell, Brian Evans, George W. Kenner, and Kevin M. Smith*

*Department of Organic Chemistry, The Robert Robinson Laboratories, University of Liverpool, P.O.Box 147, Liverpool L69 3BX, U.K.


Good overall yields of meso-methylporphyrins (3) or chlorins (1,2), are obtained by reduction of the appropriate formyl derivative, followed by acetylation with acetic anhydride in pyridine of the resulting hydroxymethyl compound and reduction with Pd-C/H2 or NaBH4.