| 摘要 |
Title compd. (I) was prepd. by acylating the amino group protected-active anhydride, di-R-&-N-R-Phosphoramino-p-hydroxyphenylacetyl phosphate (II; R=Me, Et, Ph, iso-Ph, Bu, iso-Bu), obtained by reaction of p-hydroxy phenylglycine potassium salt with two equiv. wt. of alkyl (or aralkyl) halogenophosphate in org. solvent with ailyl ester of 6-APA, followed by dehydrating to give I.
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