The Biosynthesis of Xanthocillin-X Monomethyl Ether in Dichotomomyces cejpii. Experiments on the Origin of the Isocyanide Carbon Atoms
Precursor feeding experiments establish that the isocyanide groups in xanthocillin-X monomethyl ether (XME) 1 do not originate from (i) compounds associated with C1-tetrahydrofolate metabolism; (ii) the ureido group of citrulline, carbamoyl pho
Cable, Karl M.,Herbert, Richard B.,Knaggs, Andrew R.,Mann, Jonathan
p. 595 - 599
(2007/10/02)
BIOSYNTHESIS OF TUBERIN AND XANTHOCILLIN FROM TYROSINE
(2S)-Tyrosine (5) is incorporated stereospecifically into tuberin (1) with retention of the 3-pro-S proton and incomplete retention of the 2-S proton; a parallel pathway to the xanthocillin (4) is apparent with stereospecific retention of the 3-pro-R proton of tyrosine; results of experiments with threo- and erythro-3-hydroxytyrosine in relation to tuberin biosynthesis are reported.
Herbert, Richard B.,Mann, Jonathan
p. 4263 - 4266
(2007/10/02)
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