848258-31-1Relevant articles and documents
A practical synthesis of the PPARα agonist, (R)-K-13675, starting from (S)-2-hydroxybutyrolactone
Yamazaki, Yukiyoshi,Araki, Takaaki,Koura, Minoru,Shibuya, Kimiyuki
, p. 8155 - 8158 (2008/12/21)
A practical synthesis of optically pure PPARα agonist, (R)-K-13675, is described. This process is based on the use of (S)-2-hydroxybutyrolactone, which can be transformed into the requisite n-butyl (S)-2-hydroxybutanoate in an efficient manner. A key reaction is the etherification between the phenol and n-butyl (S)-2-trifluoromethanesulfonyloxybutanoate to give the phenyl ether in excellent yield without loss of optical purity.
Enantioselective synthesis of the PPARα agonist (R)-K-13675 via (S)-2-hydroxybutyrolactone
Yamazaki, Yukiyoshi,Araki, Takaaki,Koura, Minoru,Shibuya, Kimiyuki
, p. 1017 - 1022 (2008/12/22)
Enantioselective synthesis of enantiomerically pure PPARα agonist (R)-K-13675 can be achieved starting from (S)-2-hydroxybutyrolactone. An important intermediate, 2-(aryloxy)butyrolactone, was prepared by reaction of the phenol with (S)-2-hydroxybutyrolactone in excellent yield without loss of enantiomeric purity using the Mitsunobu reaction, followed by conversion into the 2-(aryloxy)butanoic acid via the 2-(aryloxy)-4-iodobutanoate by cleavage of the lactone on exposure to iodotrimethylsilane, followed by hydrogenolysis and hydrolysis. Georg Thieme Verlag Stuttgart.
OPTICALLY ACTIVE PPAR-ACTIVATING COMPOUND INTERMEDIATE AND METHOD FOR PRODUCING SAME
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, (2008/06/13)
The present invention provides a production intermediate for compound (A-1) and a method for producing the intermediate at high yield and high optical yield. The present invention provides a method for producing compound (3) characterized in that compound