146233-11-6Relevant articles and documents
α-Pyrones. II. Synthesis of Tetrahydroquinoline Derivatives of 4-Aminobutanoic and 2-Amino-2-pentenedioic Acids
Bombarda, Carlo,Erba, Emanuela,Gelmi, Maria Luisa,Pocar, Donato
, p. 1577 - 1581 (2007/10/02)
Ethyl 3-benzoylamino-2-oxo-6-triphenylphosphoranylidenemethyl-2H-pyran-5-carboxylate (1) reacts with 2- nitrobenzaldehydes (2) to give 6-(2-nitrostyryl)-2H-pyran-2-ones (3), as the E stereoisomers, in good yields.The reduction of compounds 3, performed wi