期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 3, 页码 1400-1403出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja209246z
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资金
- Computational Resources on PittGrid
- National Science Foundation [TG-CHE100132]
- Fundacion Ramon Areces
We outline a reaction pathway for the cleavage of the P=Se bond in trialkylphosphine selenide during the synthesis of CdSe nanocrystals. The reaction between cadmium carboxylate and trimethylphosphine selenide in the presence of an alcohol produces alkoxytrimethylphosphonium (2). Control experiments and density functional theory calculations suggested that the cleavage of the P=Se bond is initiated by nucleophilic attack of carboxylate on a Cd2+-activated phosphine selenide to produce an acyloxytrialkylphosphonium intermediate (1), which is converted to 2 in the presence of an alcohol.
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