Reaction of some coumarin and 4,6-diaryl-2<i>H</i>-pyran derivatives with secondary amines
作者:Ibrahim El-Sayed El-Kholy、Morcos Michael Mishrikey、Hassan Mostafa Feid-Allah
DOI:10.1002/jhet.5570180122
日期:1981.1
The reaction of piperidine, morpholine, piperazine or dimethylamine with several coumarins, 3-bromocoumarin, 4,6-diaryl-2H-pyran-2-ones and 3-bromo-4,6-diaryl-2H-thiopyran-2-ones gave o-hydroxycinnamic acid amides, benzofurans, open-chain δ-oxoamides and thiophene derivatives, respectively.