Journal of labelled compounds and radiopharmaceuticals p. 243 - 253 (2003)
Update date:2022-08-17
Topics:
Gerritsma, David A.
Brindle, Ian D.
Jones, Timothy R.B.
Capretta, Alfredo
Efficient synthetic routes for a number of deuterated analogues of 2-methoxy-3-isopropylpyrazines and 2-methoxy-3-isobutylpyrazines have been developed involving the condensation of glyoxal with an α-amino acid amide followed by methylation with iodomethane. In this way [2H3]2-methoxy-3-isopropylpyrazine, 2-methoxy-3-isopropyl-[2H2]pyrazine, [2H3]2-methoxy-3-isopropyl- [2H2]pyrazine, [2H3]2-methoxy-3-isobutylpyrazine; 2-methoxy-3-isobutyl-[2H2]pyrazine and [2H3]2-methoxy-3-isobutyl- [2H2]pyrazine were prepared and characterized by NMR and MS. Copyright
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