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Synlett 1996; 1996(11): 1039-1040
DOI: 10.1055/s-1996-5679
DOI: 10.1055/s-1996-5679
letter
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Direct Routes to 5,15-Diaryl-10,20-Diethynyl Porphyrins from Pyrrole
Further Information
Publication History
Publication Date:
31 December 2000 (online)
5,15-bis(trimethylsilylethynyl)-10,20-diaryl porphyrins can be synthesised from pyrrole in two steps either by reaction of meso-(trimethylsilylethynyl)dipyrromethanes with benzaldehydes or by reaction of meso-aryldipyrromethanes with trimethylsilylpropynal; the latter route is more efficient.
pyrrole - dipyrromethane - porphyrin - acetylene - trimethylsilylpropynal