Erratum: Synthesis of chiral 2-(anilinophenylmethyl)pyrrolidines and 2-(anilinodiphenylmethyl)pyrrolidine and their application to enantioselective borane reduction of prochiral ketones as chiral catalysts (Tetrahedron (2013) 69:6 (1739-1746))

Full text of DOI:10.1016/j.tet.2013.01.040

Tetrahedron 69 (2013) 2509
Contents lists available at SciVerse ScienceDirect
Tetrahedron
journal homepage: www.elsevier.com/locate/tet
Erratum
Erratum to “Synthesis of chiral 2-(anilinophenylmethyl)pyrrolidines
and 2-(anilinodiphenylmethyl)pyrrolidine and their application to
enantioselective borane reduction of prochiral ketones as chiral
catalysts” [Tetrahedron 69 (6) (2013) 1739e1746]
Naoya Hosoda, Hideaki Kamito, Miki Takano, Yoshitaka Takebe, Yoshitaka Yamaguchi,
*
Masatoshi Asami
Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku,
Yokohama 240-8501, Japan
The authors would like to inform you that Table 4, which
appears on p. 1742 of their published article, is incorrect.
The correct Table is provided below:
Table 4
Table 4 (continued)
Catalytic enantioselective borane reduction of prochiral ketones using (S)-3
Entry
6
Ketone
Yielda (%)
99
eeb (%) (Config.)
89 (R)
BH -Me S (1.30 equiv),
3
2
O
HO H
R1 R2
(S)-3 (0.30 equiv)
O
R1 R2
THF, rt, 2 h
Entry
Ketone
Yielda (%)
eeb (%) (Config.)
O
O
O
1
2
3
96
93
97
94 (R)
7
94
99
83 (R)
62 (R)
Ph
Me
O
92 (R)
98 (S)
8
Ph
Et
Ph
Me
O
a
Isolated yield.
Cl
b
Ph
ee was determined by HPLC analysis, and the absolute configuration was
determined by specific rotation.18
O
4
5
Me
Me
97
99
80 (R)
82 (R)
Br
O
DOI of original article: http://dx.doi.org/10.1016/j.tet.2012.12.024.
Corresponding author. Tel.: þ81 453393968; fax: þ81 453393968.
E-mail address: m-asami@ynu.ac.jp (M. Asami).
*
0
040-4020/$ e see front matter Ó 2013 Elsevier Ltd. All rights reserved.
http://dx.doi.org/10.1016/j.tet.2013.01.040