Additions and corrections

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Thiourea-phosphonium salts from amino acids: cooperative phase-transfer catalysts in the enantioselective aza-Henry reaction

Dongdong Cao, Zhuo Chai, Jiaxing Zhang, Zhengqing Ye, Hua Xiao, Hongyu Wang, Jinhao Chen, Xiaoyu Wu and Gang Zhao

Chem. Commun., 2013, 49, 5972–5974 (DOI: 10.1039/C3CC42864H). Amendment published 7th June 2013.

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A citation is missing in the published manuscript, the citation is shown below:

Tetrahedron., 2013, 69, 5104-5111 (DOI: 10.1016/j.tet.2013.04.079)

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The Royal Society of Chemistry apologises for this error and any consequent inconvenience to authors and readers.

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