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A New Route for Synthesis of Entecavir

LiWeiGUO£¬Yuan JingXIAO£¬LiPingYANG
Department of chemistry£¬East China Normal University£¬Shanghai 200062

Abstract£ºA new economi cal synthetic route of entecavir was presented£¬involving the preparation of the key interm ediate 6£® The synthesis of 6 was conveniently achieved in good overall yield by a modified Mitsunobu reaction£®
Keywords£ºEntecavir£¬new route£¬synthesis
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