中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4-methyl-5-methylene-2-oxo-1-(2-phenylethyl)-2,5-dihydro-1H-pyrrole-3-carbonitrile | —— | C15H14N2O | 238.289 |
N-Substituted cyanoacetamides 1 were condensed with 1,2-diketones 2 under base catalysis to form γ-hydroxy γ-lactams 3. Treatment of 3 with acids gave novel fungicidal γ-methylene γ-lactams 4. The exocyclic double bond of 4b reacted reversibly with 4-toluene sulfinate.