194937-80-9Relevant academic research and scientific papers
A One-Pot Condensation of Pyrones and Enals. Synthesis of 1H,7H-5a,6,8,9-Tetrahydro-1-oxopyrano[4,3-6][1]benzopyrans
Hua, Duy H.,Chen, Yi,Sin, Hong-Sig,Maroto, Maria J.,Robinson, Paul D.,Newell, Steven W.,Perchellet, Elisabeth M.,Ladesich, James B.,Freeman, Jonathan A.,Perchellet, Jean-Pierre,Chiang, Peter K.
, p. 6888 - 6896 (1997)
Condensation of various 6-substituted 4-hydroxypyrones 1 with 1-cyclohexenecarboxaldehydes in the presence of L-proline in ethyl acetate gave high yields of substituted 1H,7H-5a,6,8,9-tetrahydro-1-oxopyrano[4,3-6][1]benzopyrans. The reaction presumably oc
