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Methanophenazine is a new cofactor from methanogenic archaea. (S)-Methanoph
enazine has been synthesized from three building blocks, i.e. 2-hydroxy-phe
nazine, ethyl (R)-3-methylglutarate and (E,E)-farnesyl acetone; a stereodiv
ergent approach from ethyl (R)-3-methylglutarate warrants the formal synthe
sis of (R)-methanophenazine. (C) 2000 Elsevier Science Ltd. All rights rese
rved.