Litynski; Malachowski, Roczniki Chemii, vol. 7, p. 579
作者:Litynski、Malachowski
DOI:——
日期:——
RAY, J. A.;HARRIS, T. M., TETRAHEDRON LETT., 1982, 23, N 19, 1971-1974
作者:RAY, J. A.、HARRIS, T. M.
DOI:——
日期:——
EFFENBERGER, FRANZ;ZIEGLER, THOMAS, CHEM. BER., 120,(1987) N 8, 1339-1346
作者:EFFENBERGER, FRANZ、ZIEGLER, THOMAS
DOI:——
日期:——
Preparation of enol lactones of 3,5,7-triketo and 3,5,7,9-tetraketo acids by the condensation of 4,6-dimethoxy-2-pyrone with anions of mono- and diketones
作者:John A. Ray、Thomas M. Harris
DOI:10.1016/s0040-4039(00)87236-6
日期:1982.1
Condensation of the anions of acetone, acetophenone, acetylacetone and benzoylacetone with 4,6-dimethoxy-2-pyrone afforded good yields of the corresponding 6 substituted 4-methoxy-2-pyrones which were converted to the 4-hydroxy analogs by demethylation with iodotrimethylsilane.