Synthesis of enantiomerically pure 1-(R)-and 1-(S)-hydroxymethyl-DTPA penta-t-butyl esters via chiral aminoalcohols

H Sajiki, KY Ong, ST Nadler, HE Wages…

Index: Synthetic Communications, , vol. 26, # 13 p. 2511 - 2522

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Citation Number: 14

Abstract

SYNTHETIC COMMUNICATIONS, 26( 13). ... Thus, enantiomerically pure 1-(I?)- and 1 -(S)-hydroxymethyl-DTPA penta-r- butyl esters, key synthetic intermediates for functionalized ... ether : hexanes = 5 : 1) to give the pure product 3a (pale yellow oil, 8.73 g, 67.8 %): 1H-NMR ( -13 ...