Title of article :
One step preparation of bromo-2-pyrones via bromo-decarboxylation of 2-pyrone-carboxylic acids
Author/Authors :
Cho، نويسنده , , Cheon-Gyu and Park، نويسنده , , Jung-Sang and Jung، نويسنده , , In-Hak and Lee، نويسنده , , Haiwon، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2001
Abstract :
Synthetically valuable 3-bromo-2-pyrone, 3-bromocoumarin, 5-bromo-2-pyrone, and 3,5-dibromo-2-pyrone were prepared in one step from readily available 2-pyrone-carboxylic acids via bromo-decarboxylation in good to fair yields.
Keywords :
Diels–Alder cycloaddition , Hundsdiecker reaction , 2-pyrones , halo-decarboxylation
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
