ENANTIOMERICALLY PURE BINAPHTHOL DERIVATIVES AND METHOD FOR PREPARING THE SAME

Title:

ENANTIOMERICALLY PURE BINAPHTHOL DERIVATIVES AND METHOD FOR PREPARING THE SAME

Document Type and Number:

WIPO Patent Application WO/2012/081885

Kind Code:

A3

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:

PCT/KR2011/009579

Publication Date:

September 07, 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:

WO2010055966A1

2010-05-20

Foreign References:

KR100661280B1	2006-12-26
US7268252B2	2007-09-11
US6849742B2	2005-02-01

Other References: