ethyl 7-(2-chloroethoxy)-6-methoxy-3-nitro-2-naphthoate 、 ethyl 6-(2-chloroethoxy)-7-methoxy-3-nitro-2-naphthoate 在
钯 乙醇 作用下,
以
乙醇 为溶剂,
25.0 ℃
、45.96 MPa
条件下,
反应 2.0h,
以to give ethyl 3-amino-7-(2-chloroethoxy)-6-methoxy-2-naphthoate and ethyl 3-amino-6-(2-chloroethoxy)-7-methoxy-2-naphthoate (1:1 mixture) as a greenish yellow solid, 1.28 g (87%), m.p. 104–8° C.的产率得到ethyl 3-amino-7-(2-chloroethoxy)-6-methoxy-2-naphthoate