126214-23-1Relevant articles and documents
Synthesis anti-fungal and anti-bacterial screening of 3-phenyl-1,4,5-trihydro-pyrazol and 2, 4-dihydro[1,2,4]-triazol-3-one derivatives of 4-hydroxy-2-oxo-2H-1-benzopyran
Mulwad,Shirodkar, Jyoti M.
, p. 377 - 381 (2007/10/03)
4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxaldehydes 2a-d are prepared from 4-hydroxy-2-oxo-2H-1-benzopyrans 1a-d via the Vielsmeyer Haack reaction. The 4-hydroxy-2-oxo-3-(3′oxo-3′-phenylprop-1′-enyl)- 2H-1-benzopyrans 3a-d are obtained from 2a-d via the Cla