发明名称 Precursor compounds and methods for making same
摘要 The present invention relates to a method of obtaining radiopharmaceutical precursors, and in particular precursors to protected amino acid derivatives, which are used as precursors for production of radiolabelled amino acids for use in in vivo imaging procedures, such as positron emission tomography (PET).
申请公布号 US8946483(B2) 申请公布日期 2015.02.03
申请号 US201214131442 申请日期 2012.07.20
申请人 GE Healthcare Limited 发明人 Achhanath Radha;Balaji Srinath;Kadavilpparampu Mohamed Asfal Mohammed;Nilsen Sondre;Fairway Steven Michael
分类号 C07C43/20;C07C45/00;C07C41/00;C07C45/78;C07C41/44;C07C43/174;C07C45/42;C07C49/757;C07C319/20 主分类号 C07C43/20
代理机构 代理人
主权项 1. A method for substantially removing a 1,2-dihalogen impurity from a product mixture comprising: (a) reacting the product mixture with an alkoxide, thereby transforming the 1,2-dihalogen impurity into an alkene; and (b) removing the alkene.
地址 Buckinghamshire GB