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US 5,965,733 AGranted
Process for manufacturing an .alpha..alpha.'-diaminoalcohol
AssigneeHoffmann-La Roche Inc.
InventorHans Hilpert
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Abstract
A process for the manufacture of the .alpha.,.alpha.'-diaminoalcohol of formula ##STR1## is via N-protected L-phenylalanine lower alkyl esters, corresponding N-protected .alpha.-amino-.alpha.'-haloketones, and .alpha.-amino-.alpha.'-haloalcohols.
Claims1
A compound of formula ##STR18## wherein R.sup.1 is methyl.
Dependencies are inferred from the claim text.