Abstract

The following errors in the original article1 should be corrected: Page 3668: In Scheme 2, the second reagent of the first reaction should be "BrCH2CO2Me" for compounds 4a,5a to yield the corresponding methyl esters 4b,5b. Page 3671: In Table 3, compound (–)-5 was used as starting material instead of (+)-5. Page 3673: In the first column, the names of the compounds described in Step 1 should read "...-4,7,7-Trimethyl-..." instead of "...-7,7-Dimethyl-...". Page 3673: In the second column, the HRMS data given for compounds 1b–3b are for the methyl esters; they should be replaced by those of the ethyl esters: 1b: HRMS (EI) calcd. for C13H15NO4 [M+] 249.2664, found 249.2665; 2b: HRMS (EI) calcd. for C14H17NO4 [M+] 263.2933, found 263.2929; 3b: HRMS (EI) calcd. for C11H19NO4 [M+] 229.2762, found 229.2766. The Authors

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