A novel synthesis of pyrano[2,3-d]pyrimidine derivatives
摘要:
A ready one-pot preparation for pyrano[2,3-d]pyrimidines from appropriately substituted pyran derivative and N,N-dimethyldichloromethyleniminium chloride (phosgeniminium chloride) is reported.
A simple and efficient method for the selective synthesis of 2-pyrdones from 4H-pyrans using iodine as catalyst and ethanol as solvent was developed. The present method is equally effective for both aromatic and hetero aromatic ring containing 4H-pyrans. The compatibility with various functional groups, mild reaction conditions, high yields and application of inexpensive, readily and easily available
A novel synthesis of pyrano[2,3-d]pyrimidine derivatives
作者:JoséMa. Quintela、Carlos Peinador、María J. Moreira
DOI:10.1016/0040-4020(95)00258-a
日期:1995.5
A ready one-pot preparation for pyrano[2,3-d]pyrimidines from appropriately substituted pyran derivative and N,N-dimethyldichloromethyleniminium chloride (phosgeniminium chloride) is reported.