申请人:Fuji Photo Film Co., Ltd.
公开号:US05117064A1
公开(公告)日:1992-05-26
A method for synthesizing an aromatic amine, an aromatic alcohol or an aromatic thiol by an aromatic nucleophilic substitution reaction is disclosed, which comprises reacting a compound represented by formula (I): ##STR1## wherein Q.sup.1 represents an aromatic ring; EWG represents a group having a positive Hammett's .sigma..sub.p value; m represents an integer of 1 to 5; n represents an integer of 1 to 3; and X represents a group represented by formula (III): ##STR2## wherein R.sup.4 represents hydrogen atom, an aryl group or an alkyl group; Q.sup.2 represents an atomic group for forming an aromatic ring; and Z.sup.1 and Z.sup.2 each represents an oxygen atom or a sulfur atom with a nucleophilic reagent represented by formula (II): M--Y (II) wherein M represents a hydrogen atom, a metal atom or an ammonium; Y represents a --NHR.sup.1 group, an --OR.sup.1 group, or a --SR.sup.1 group; R.sup.1 represents a hydrogen atom, an alkyl group, an aryl group, a residue of a heterocyclic ring, a --NR.sup.2 R.sup.3 group or an --OR.sup.2 group; and R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group, an aryl group or a residue of a heterocyclic ring.
本发明揭示了一种通过芳香亲核取代反应合成芳香胺、芳香醇或芳香硫醇的方法,其包括将式(I)所表示的化合物与式(II)所表示的亲核试剂反应:其中,Q1代表芳香环;EWG代表具有正的Hammett's σp值的基团;m表示1至5的整数;n表示1至3的整数;X表示式(III)所表示的基团:其中,R4代表氢原子、芳基基团或烷基基团;Q2代表形成芳香环的原子团;Z1和Z2分别表示氧原子或硫原子。M-Y代表亲核试剂,其中,M代表氢原子、金属原子或铵离子;Y代表-NHR1基团、-OR1基团或-SR1基团;R1代表氢原子、烷基基团、芳基基团、杂环环残基、-NR2R3基团或-OR2基团;R2和R3分别表示氢原子、烷基基团、芳基基团或杂环环残基。