Synthesis of new bis(2,4-dimethyl-5-amino-benzo[<i>b</i>][1,8]-naphthyridines) and bis(benzo[<i>b</i>][1,8]naphthyridones) linked with methylene linear chain
The preparation of novel alkyl monobridged 2,4-dimethyl-5-amino-benzo[b][1,8]naphthyiridine and benzo[b][1,8]naphthyridone derivatives by phase transfer catalysis is reported.
新颖的烷基的制备monobridged 2,4-二甲基-5-氨基-苯并[ b ] [1,8]二氮杂naphthyiridine和苯并[ b ]报道[1,8] 1,8-二氮杂萘相转移催化的衍生物。