Functionalization of P4 Using a Lewis Acid Stabilized Bicyclo-[1.1.0]tetraphosphabutane Anion

Functionalization of P4 Using a Lewis Acid Stabilized Bicyclo-[1.1.0]tetraphosphabutane Anion
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DOI:
10.1002/anie.201405879
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发表时间:
2014-11-17
影响因子:
16.6
通讯作者:
Lammertsma, Koop
Lammertsma, Koop
中科院分区:
化学1区
文献类型:
--
作者:
Borger, Jaap E.;Ehlers, Andreas W.;Lammertsma, Koop

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白磷 (P-4) 与空间位阻芳基锂试剂(芳基 = 2,6-二甲基苯基或 2,4,6-tBu(3)C(6)H(2))和 B(C6F5)(3) 反应,得到独特的、可分离的路易斯酸稳定的双环[1.1.0]四磷酸丁烷阴离子。随后将 RP4 阴离子的亲核位点烷基化,得到非对称二取代双环四磷化合物。这种新颖的方法能够使用白磷作为起始材料以受控方式形成 P-C 键。
Reacting white phosphorus (P-4) with sterically encumbered aryl lithium reagents (aryl = 2,6-dimesitylphenyl or 2,4,6-tBu(3)C(6)H(2)) and B(C6F5)(3) gives the unique, isolable Lewis acid stabilized bicyclo[1.1.0]tetraphosphabutane anion. Subsequent alkylation of the nucleophilic site of the RP4 anion gives access to non-symmetrical disubstituted bicyclic tetraphosphorus compounds. This novel method enables P-C bond formation in a controlled fashion using white phosphorus as starting material.