Dinwiddie and McManusVol. 30 temperature for 1 hr. and under reflux for 2 hr. with 1 g. of freshly prepared W-2 Raney nickel.27 The cooled mixture was filtered and the ethanol was removed affording 25 mg. (93.7%) of white solid with an infrared spectrum which was indistinguishable from that of racemic lactone 17. After two recrystallizations from hexane, 11 mg. of material with m.p. 119-121°wasobtained.
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