Tetrahedron p. 3063 - 3066 (1987)
Update date:2022-08-11
Topics:
Golebiowski, Adam
Jacobsson, Ulla
Jurczak, Janusz
Methyl 2,6-di-N-acetyl-6-epi-α-D-purpurosaminide B (11) was synthesized from L-alanine by an eleven-step reaction sequence.Eu(fod)3-mediated high-pressure (4+2)cycloaddition of 1-methoxybuta-1,3-diene (2) to α-amino aldehyde 3, easily available from L-alanine (4), is the key step in the synthetic sequence.
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