On the Reaction of 1-Oxa-4-thiaspiro[4.5]decan-7-one with PhLi. A Reinvestigation
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Two diastereomeric alcohols are formed from the reaction of 1-oxa-4-thiaspiro[4.5]decan-7-one with PhLi as against the single diastereomer reported earlier. The diastereoselectivity achieved from PhMgBr is significantly higher than with PhLi. The use of Et2O/hexane = 2:1 as the solvent for the reaction with PhMgBr offered the highest (14:1) diastereocontrol.
创建时间:
2016-05-06



