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β-二酮金属络合物作为人工降水催化剂,有较好的成冰性能,曾有过报导。该类化合物的通式为: 其中尤以乙酰丙酮铜络合物(简称AAC)成冰性能较好。为了深入研究降水机制,我们又以双乙烯酮及酰胺为原料,在三甲基碘硅烷存在下合成了15个N-乙酰乙酰基酰胺类化合物。有机硅试剂在有机合成中的应用,近年来发展较快。Olah于1979年报导了三甲基碘硅烷可与酯、内酯、醚、醇和氨基甲酸酯类化合物反应并发生键的断裂。例如:
β-diketone metal complexes as artificial precipitation catalyst, has better ice forming properties, it has been reported. The general formula of this kind of compound is: Among them, acetylacetone copper complex (AAC) has better performance in ice formation. In order to further study the precipitation mechanism, we have diketene and amide as raw materials, in the presence of trimethylsilyl iodide synthesized 15 N-acetoacetylamides. Silicone reagents in organic synthesis applications, the rapid development in recent years. Olah reported in 1979 that trimethylsilyl iodide can react with esters, lactones, ethers, alcohols and carbamates and cleavage of the bond occurs. E.g: