Ethyl O-[3-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)propyl]-L-tyrosinate 、
2-氟苯并噻唑 在
ethyl acetate dichloromethane 作用下,
以
吡啶 为溶剂,
以to obtain 90 mg of the的产率得到Ethyl N-(2-benzothiazolyl)-O-[3-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)propyl]-L-tyrosinate