
Chemistry Letters p. 787 - 790 (1989)
Update date:2022-08-04
Topics:
Kishikawa, Keiki
Yamamoto, Makoto
Kohmoto, Shigeo
Yamada, Kazutoshi
The aldol addition reaction of chiral acetylurea with aldehydes diastereoselectively gives β-alkyl-β-hydroxypropionylureas (3 and 4) and the methanolysis of the adducts 3 and 4, separated perfectly by conventional column chromatography on silica gel, give
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