作者:V. V. Shchepin、A. E. Korzun、A. N. Nedugov、Yu. Kh. Sazhneva、S. N. Shurov
DOI:10.1023/a:1015526019303
日期:——
Methyl 4-bromo-3-oxo-2,2,4-trimethylpentanoate reacts with zinc and arylglyoxals yielding 6-aroyl-3,3,5,5-tetramethyl-2,3,5,6-tetrahydropyran-2,4-diones. The latter with phenylhydrazine afford 6-(1-aryl-2-phenylhydrazonomethyl)-3,3,5,5-tetramethyl-2,3,5,6-tetrahydropyran-2,4-diones.