γ-Keto acids are obtained by the phase transfer catalysed reaction of alkynes with carbonmonoxide and methyl iodide in the presence of catalytic amounts of cobalt and ruthenium carbonyl complexes.
在催化量的钴和羰基钌络合物的存在下,炔烃与一氧化碳和甲基碘的相转移催化反应可得到γ-酮酸。
Chiral bicyclic lactams for asymmetric synthesis of quaternary carbons. The total synthesis of (-)-.alpha.-cuparenone