Additions and corrections
One-pot aza-Diels–Alder reaction in ionic liquids
Fazila Zulfiqar and Tomoya Kitazume
Green Chem., 2000, 137 (DOI: 10.1039/b002671i)
The following is the correct 13C NMR data in reference 12 on page 139:
δC(CDCl3): 43.471, 61.670, 102.896, 118.374, 124.266, 125.977, 127.714, 128.852, 129.402, 137.684, 144.501, 148.052, 189.995.
The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.