Abstract

The synthesis of the title compound, C 22 H 19 NO 4 S, is described. The methyl group of the methylthio substituent points towards the CN group, as has been noted before when bulky substituents occupy the 5-position. The phenyl groups in the 5- and 6-positions are twisted at angles of 75.7 (1) and 36.5 (1)°, respectively, from the plane of the pyrone ring.

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