H. Itohab,
H. Maedaa,
S. Yamadaa,
Y. Hori*a,
T. Mino*b and
Masami Sakamotob
aTaksasago International Corporation 4-11, Nishi-Yawata 1-Chome, Hiratsuka City, Kanagawa 254-0073, Japan. E-mail: yoji_hori@takasago.com
bDepartment of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan. E-mail: tmino@faculty.chiba-u.jp
First published on 28th July 2015
Correction for ‘Highly selective aluminium-catalysed intramolecular Prins reaction for L-menthol synthesis’ by H. Itoh et al., RSC Adv., 2014, 4, 61619–61623.
Entry | Time (h) | Substrate | Product | Yield (%) | Diastereo-selectivity ratioa |
---|---|---|---|---|---|
a Determined by gas chromatography (GC) analysis.b Et3Al (20 mol%) and 5b (62 mol%) were used.c Et3Al (10 mol%) and 5b (31 mol%) were used. | |||||
1b | 19 | ![]() |
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29a | trans/cis = 81/19 |
2 | 1 | ![]() |
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92 | (±)-2a/(±)-2b, 2c, 2d = 98.9/1.1 |
3 | 4 | ![]() |
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89 | trans/cis = >99/<1 |
4b | 19 | ![]() |
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94 | trans/cis = >99/<1 |
5 | 4 | ![]() |
![]() |
85a | 1α,2β,5β/1α,2β,5α = 78/22 |
6 | 4 | ![]() |
![]() |
90 | 1α,2β,5β/1α,2β,5α = 87/13 |
7c | 4 | ![]() |
![]() |
74 | 1α,2β,5β/1α,2β,5α = 62/38 |
8 | 19 | ![]() |
![]() |
Trace | |
9 | 19 | ![]() |
![]() |
Trace |
The Supplementary Information for the original article has been updated to show the correct structures.
The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.
This journal is © The Royal Society of Chemistry 2015 |