Homoserine aldehyde derivatives for mugineic acids synthesis
AssigneeSuntory Limited
InventorsYasufumi Ohfune, Masako Tomita, Kyosuke Nomoto
Life of this patent
Estimating the term…
Abstract
This invention is related to homoserine aldehyde derivatives represented by the formula (I) which is important intermediate for producing mugineic acid, 2'-deoxymugineic acid, avenic acid A and homologue. ##STR1##
Claims1
Homoserine aldehyde derivatives represented by the formula (I) ##STR10## wherein R is hydrogen or hydroxy, R.sup.1 is selected from a group consisting of tetrahydropyranyl, methoxymethylene, methoxyethoxymethylene, 1-ethoxyethyl, t-butyl, dimethyl-t-butylsilyl, acetyl, trifluoroacetyl, triphenylmethyl or diphenylmethyl, R.sup.2 is selected from a group consisting of t-butoxycarbonyl, benzyloxycarbonyl, trifluoroacetyl or formyl and R.sup.3 is selected from a group consisting of benzyl, p-methoxybenzyl, methyl, ethyl, or diphenylmethyl.
Dependencies are inferred from the claim text.