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Document Type and Number:
Japanese Patent JPS64389
Kind Code:
B2
Abstract:
A naphthalene derivative of the formula: wherein R1 is hydrogen and R2 is lower alkyl or phenyl-lower alkyl; or R1 and R2 are combined together to form lower alkylene; X is halogen; and the absolute configuration at the asymmetric carbon atom shown by the asterisk is either (S)- or (R)-configuration, and a method of preparation thereof are disclosed. Said naphthalene derivative is useful as a chiral reagent for determining the optical purity of an optically active compound containing within its molecule at least one functional group selected from hydroxy, amino and imino groups.

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Inventors:
WADA HIROSHI
ISHII KAZUHIRO
TSUMAGARI YOSHASU
MATSUO MASAAKI
MATSUMOTO MIKIO
Application Number:
JP18588482A
Publication Date:
January 06, 1989
Filing Date:
October 21, 1982
Export Citation:
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Assignee:
TANABE SEIYAKU CO
International Classes:
G01N30/04; C07C311/19; C07D207/48; C07D217/20; C07D281/10; G01N30/88; G01N31/22



 
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