MALI R. S.; YEOLA SURESH N., SYNTHESIS,(1986) N 9, 755-757
作者:MALI R. S.、 YEOLA SURESH N.
DOI:——
日期:——
US3987174A
申请人:——
公开号:US3987174A
公开(公告)日:1976-10-19
US4054654A
申请人:——
公开号:US4054654A
公开(公告)日:1977-10-18
A Novel Synthesis of<i>N</i>-Substituted-3-carboethoxymethylphthalimidines
作者:R. S. Mali、Suresh N. Yeola
DOI:10.1055/s-1986-31765
日期:——
A novel synthesis of N-substituted-3-carboethoxymethylphthalimidines 5 is described from secondary benzamides. The benzamides 1 on lithiation with n-butyllithium followed by treatment with dimethylformamide furnish 3-hydroxyphthalimidines 2 in 74-84% yield. Phthalimidines 2 on reaction with phosphorane 3, provide phthalimidines 5 in 67-95% yield, via esters 4.