2-膦乙炔阴离子：一种方便的合成方法及[2+2]环加成化学。
The 2-phosphaethynolate anion: a convenient synthesis and [2+2] cycloaddition chemistry.
机构信息
Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA (UK) http://research.chem.ox.ac.uk/jose-goicoechea.aspx.
出版信息
Angew Chem Int Ed Engl. 2013 Sep 16;52(38):10064-7. doi: 10.1002/anie.201305235. Epub 2013 Aug 1.
Hip to be square: Direct carbonylation of solutions of the heptaphosphide trianion (P7(3-)) afforded the phosphaethynolate anion in moderate yields. This species undergoes [2+2] cycloaddition reactions with diphenylketene and bis(2,6-diisopropylphenyl)carbodiimide to yield the anionic four-membered heterocycles P[C(O)]2C(C6H5)2(-) and PC(O)(CNDipp)NDipp(-) .
方兴未艾
七磷阴离子（P7(3-））的溶液的直接羰基化作用以中等产率得到膦炔酸根阴离子。该物种与二苯甲酮和双（2,6-二异丙基苯基）碳二亚胺进行[2+2]环加成反应，生成阴离子四元杂环 P[C(O)]2C(C6H5)2(-)和 PC(O)(CNDipp)NDipp(-) 。
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