期刊
ORGANOMETALLICS
卷 32, 期 22, 页码 6764-6769出版社
AMER CHEMICAL SOC
DOI: 10.1021/om3011382
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资金
- Council for Chemical Sciences of The Netherlands Organization for Scientific Research (NWO-CW)
The methylene-bridged phosphinoalane tBu(2)PCH(2)AlMe(2) exists as a stable, dimeric Lewis adduct, which reacts with carbon dioxide and tert-butyl isocyanate at room temperature, forming five-membered heterocycles; we explored the reaction pathways of these heterocycles with computational chemistry. A carboxylate dimer results when excess carbon dioxide is used. A novel mechanism is presented for this process that presumes the cooperative effect of two CO2 molecules in which the FLP captured CO2 is expelled on insertion of a second molecule into the Al-C bond of the initial heterocycle.
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