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Updated: Jul 24, 2026

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乙酸在PbSe纳米晶合成中的隐藏作用

Arjan J Houtepen1, Rolf Koole, Daniël Vanmaekelbergh

  • 1Condensed Matter and Interfaces, University Utrecht, POB 80000, 3508 TA Utrecht, The Netherlands. a.j.houtepen@phys.uu.nl

Journal of the American Chemical Society
|May 25, 2006
PubMed
概括

乙酸盐度控制化 (PbSe) 纳米晶体形状,使球形,星形和八面体形式的合成成为可能. 这一发现澄清了PbSe晶体形态在合体合成和自组装应用中.

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Acetoacetic ester synthesis is a method to obtain ketones from alkyl halides and β-keto esters. The reaction occurs in the presence of an alkoxide base that abstracts the acidic proton of the β-keto esters. The step results in an enolate ion which is doubly stabilized. The enolate then reacts with an alkyl halide via the SN2 process to produce an alkylated ester intermediate with a new C–C bond. The hydrolysis of the intermediate, followed by acidification, results in an alkylated β-keto acid.