Convenient Synthesis of 1,2,3,4-Tetrahydroisoquinoline-1-carboxylic Acid Derivatives via Isocyanide-Based, Three-Component Reactions
作者:Ildikó Schuster、László Lázár、Ferenc Fülöp
DOI:10.1080/00397910903277920
日期:2010.7.27
The three-component reactions of 3,4-dihydroisoquinolines, isocyanides, and benzyl chloroformate furnished 2-benzyloxycarbonyl-1,2,3,4-tetrahydroisoquinoline-1-carboxamides in moderate to good yields. Hydrogenolysis or selective hydrolysis of the benzyloxycarbonyl group provided 1,2,3,4-tetrahydroisoquinoline-1-carboxamides, further hydrolysis of which resulted in the corresponding 1,2,3,4-tetrahy
3,4-二氢异喹啉、异氰化物和氯甲酸苄酯的三组分反应以中等至良好的产率提供了 2-benzyloxycarbonyl-1,2,3,4-tetrahydroisoquinoline-1-carboxamides。苄氧羰基的氢解或选择性水解提供 1,2,3,4-四氢异喹啉-1-甲酰胺,其进一步水解产生相应的 1,2,3,4-四氢异喹啉-1-羧酸。