Tetrahedron Asymmetry p. 3989 - 4001 (2004)
Update date:2022-08-03
Topics:
Bull, Steven D.
Davies, Stephen G.
Garner, A. Christopher
Savory, Edward D.
Snow, Emma J.
Smith, Andrew D.
A range of (2S,5S)-5-isopropyl-2-halo-N,N′-bis-(p-methoxybenzyl)- piperazine-3,6-diones 8 (Cl), 11, 12 (F) and 13 (Br) have been prepared, either via electrophilic halogenation of the corresponding lithiated diketopiperazine, or via transhalogenation from
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