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ÏȸøÄã¿´¿´ÕâÆªÕªÒª£¬¾õµÃÓÐÓõϰÔÙÎÊÎÒҪȫÎÄ~ 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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