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Title:
ENANTIOMERICALLY PURE BINAPHTHOL DERIVATIVES AND METHOD FOR PREPARING THE SAME
Document Type and Number:
WIPO Patent Application WO/2012/081885
Kind Code:
A2
Abstract:
The present invention relates to compounds 1, 1a (S-enantiomer) and 1b (R-enantiomer) of the following formula 1, and a method for preparing the same. [formula 1] The novel compound of the formula 1 is used as an important intermediate for preparing compounds 6, 6a (S-enantiomer) and 6b (R-enantiomer) of the following formula 6, which are 2,2'-binaphthol-3-aldehyde derivatives. Also, the present invention provides a method for preparing the compound of formula 1 with a very safe method at low cost. [formula 6]

Inventors:
CHANG RAE KYU (KR)
AHN YUN SOO (KR)
JUNG HEEJUNG (KR)
GA HYERIM (KR)
MAENG JUWAN (KR)
KOH YOUNG-KOOK (KR)
LEE YOUNG HEE (KR)
LEE KWANG JAE (KR)
KIM JOONSEO (KR)
LEE HYUNIL (KR)
YOON HEUNGSIK (KR)
Application Number:
KR2011/009579
Publication Date:
June 21, 2012
Filing Date:
December 13, 2011
Export Citation:
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Assignee:
AMINOLUX INC (KR)
CHANG RAE KYU (KR)
AHN YUN SOO (KR)
JUNG HEEJUNG (KR)
GA HYERIM (KR)
MAENG JUWAN (KR)
KOH YOUNG-KOOK (KR)
LEE YOUNG HEE (KR)
LEE KWANG JAE (KR)
KIM JOONSEO (KR)
LEE HYUNIL (KR)
YOON HEUNGSIK (KR)
International Classes:
C07C275/42; C07B57/00; C07C273/02; C07C275/36
Domestic Patent References:
WO2010055966A12010-05-20
Foreign References:
KR100661280B12006-12-26
US7268252B22007-09-11
US6849742B22005-02-01
Other References:
None
See also references of EP 2651879A4
Attorney, Agent or Firm:
KOREANA PATENT FIRM (Yeoksamdong 824-19 Kangnamku, Seoul 135-080, KR)
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Claims: