Helvetica Chimica Acta p. 1134 - 1139 (1981)
Update date:2022-08-11
Topics:
Antoulas, Simeon
Viscontini, Max
The synthesis was achieved by phosphorylation of tetrahydro-5,6,7,8-D-neopterine with polyphosphoric acid.The product is sensitive to light, moisture and oxidation like the other tetrahydropterines.After oxidation in aqueous solution, D,L-sepiapterine was isolated in 5percent yield.The oxidation of non-phosphorilated tetrahydro-5,6,7,8-D-neopterine under the same conditions led to D-sepiapterine without inversion of the configuration.These findings were used to give a tentative explanation for the biosynthesis of natural L-sepiapterine from the D-neopterine.
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