Erratum: Enantioselective squaramide-catalysed domino mannich-cyclization reaction of isatin imines (Eur. J. Org. Chem. (2014) (739-744))

Full text of DOI:10.1002/ejoc.201402056

CORRECTION
DOI: 10.1002/ejoc.201402056
Enantioselective Squaramide-Catalysed Domino Mannich–Cyclization Reaction
of Isatin Imines
Xi-Bo Wang,[a] Tian-Ze Li,[a] Feng Sha,*[a] and Xin-Yan Wu*[a]
Keywords: Organocatalysis / Asymmetric catalysis / Domino reactions / Nucleophilic addition / Oxygen heterocycles /
Cyclization
In Table 3 of the original article,[1] the R3 groups of compounds 2
and 3 in the scheme should be OR3 groups; the correct Table 3 is
given below.
The Authors
Table 3. Substrate scope of the domino reaction.[a]
Entry R1
R2
R3
Product Yield [%][b] ee [%][c]
1
2
3
4
5
6
7
8
H
H
H
H
5-Me
5-MeO
5-Cl
5-Br
6-Cl
6-Br
7-Me
7-F
Me
Me
Me
Ph
Et
Me
Bn
Et
Et
Et
Et
Et
Et
Et
Et
Et
Et
Et
Et
3a
3b
3c
3d
3e
3f
3g
3h
3i
3j
3k
3l
3m
3n
3o
92
91
90
93
93
97
96
97
96
96
95
97
97
97
97
98
99
98
98
97
95
92
95
94
95
98
95
95
98
95
Me
Me
Me
Me
Me
Me
Me
Me
Me
Me
Me
9
10
11
12
13
14
15
7-Cl
7-Br
7-CF3
[a] The reactions were carried out with
1 (0.15 mmol), 2
(1.5 equiv.), Na2CO3 (1.0 equiv.), and catalyst C4 (0.0015 mmol) in
CH2Cl2 (1 mL) at 25 °C. [b] Isolated yield. [c] The ee values were
determined by chiral HPLC analysis.
[1] X.-B. Wang, T.-Z. Li, F. Sha, X.-Y. Wu, Eur. J. Org. Chem.
2014, 739–744.
Received: February 11, 2014
Published Online: February 24, 2014
[a] Key Laboratory for Advanced Materials and Institute of Fine
Chemicals, East China University of Science and Technology,
Shanghai 200237, P. R. China
E-mail: xinyanwu@ecust.edu.cn
http://hyxy.ecust.edu.cn/new/en/prof.php?id=39
3268
© 2014 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Eur. J. Org. Chem. 2014, 3268