Tetrahedron Asymmetry p. 747 - 754 (1996)
Update date:2022-07-29
Topics:
Xu, Daqiang
Mattner, Paul G.
Kucerovy, Andrew
Prasad, Kapa
Repic, Oljan
A new synthesis of (R)-3-methyl-5-phenyl-5H-thiazolo[2,3-b]quinazoline 1, a serum HDL cholesterol raising agent, is described utilizing a resolution of the racemic compound with D-tartaric acid. The undesired S-enantiomer was recycled using either a photochemical or thermal electrocyclic ring opening/closing reaction making the synthesis economical.
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