Correction to Discovery of the Hemifumarate and (α-l-Alanyloxy)methyl Ether as Prodrugs of an Antirheumatic Oxindole: Prodrugs for the Enolic OH Group

Abstract

In Table 1, the formulas for the R groups of compounds 17−23 are incorrect. The correct formulas are as follows: compd no. R 17 CH 2 OCOCH 2 NH 2 •TsOH 18 CH 2 OCOCH(Me)NH 2 •TsOH 19 CH 2 OCOCH(i-Pr)NH 2 •TsOH 20 CH 2 OCOCH(i-Bu)NH 2 •TsOH 21 CH 2 OCOCH[(CH 2 ) 4 NH 2 ]NH 2 • 2 HCl•H 2 O 22 CH 2 OCOCH 2 NHCO 2 t-Bu 23 CH 2 OCOCH(Me)NHCO 2 t-Bu