[2-[二(三甲基硅基)甲基]-3-苯基-2H-氮杂磷杂环丙烯]五羰基钨
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[2-[二(三甲基硅基)甲基]-3-苯基-2H-氮杂磷杂环丙烯]五羰基钨 | |
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英文名 | [2-[bis(trimethylsilyl)methyl]-3-phenyl-2H-azaphosphirine-κP2]pentacarbonyltungsten |
识别 | |
CAS号 | 171625-87-9 ![]() |
性质 | |
化学式 | C19H24NO5PSi2W |
摩尔质量 | 617.395 g·mol⁻¹ |
外观 | 黄色粉末[1] |
熔点 | 109—110 °C(382—383 K)(分解)[1] |
结构 | |
晶体结构 | 三斜晶系 |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
[2-[二(三甲基硅基)甲基]-3-苯基-2H-氮杂磷杂环丙烯]五羰基钨是一种金属有机化合物,化学式为C19H24NO5PSi2W。
合成
标题化合物可由(Me3Si)2C=PCl和相应的卡宾钨配合物(OC)5W=C(NH2)Ph反应得到:[1]
化学性质
标题化合物和三乙胺氢溴酸盐在甲苯中于75 °C反应,蒸去溶剂后得到黄色的[P-[二(三甲基硅基)甲基]一溴代膦]五羰基钨晶体;[2]和碘甲烷反应得到相应的碘代膦配合物。[3]标题化合物也能和醇类如1-丁醇反应,三元环断裂,脱去苯甲腈分子,生成[P-丁氧基-P-[二(三甲基硅基)甲基]膦]五羰基物。[4];苯胺也能发生类似反应,产生苯氨基(PhNH-)的化合物。[5]
标题化合物和腈类反应发生扩环,生成五元环化合物,如和乙腈在三氟甲磺酸的存在下反应,生成[2-[二(三甲基硅基)甲基]-5-甲基-3-苯基-2H-1,4,2-二氮杂磷杂环戊二烯]五羰基钨。[6]
参考文献
- ^ 1.0 1.1 1.2 Rainer Streubel, Annette Ostrowski, Siegfried Priemer; et al. Synthesis and Spectroscopic Data of para-Substituted (3-Phenyl-2H-azaphosphirene)tungsten Complexes 1998 (2). European Journal of Inorganic Chemistry: 257–261. 1998-02 [2019-06-19]. ISSN 1434-1948. doi:10.1002/(SICI)1099-0682(199802)1998:2<257::AID-EJIC257>3.0.CO;2-H.
- ^ Rainer Streubel, Aysel Özbolat-Schön, Gerd von Frantzius, Holly Lee, Gregor Schnakenburg, Dietrich Gudat. Li/X Phosphinidenoid Pentacarbonylmetal Complexes: A Combined Experimental and Theoretical Study on Structures and Spectroscopic Properties. Inorganic Chemistry. 2013-03-18, 52 (6): 3313–3325 [2019-06-19]. ISSN 0020-1669. doi:10.1021/ic302786v. (原始内容存档于2020-04-11) (英语).
- ^ Aysel Özbolat, Arif Ali Khan, Gerd von Frantzius, Martin Nieger, Rainer Streubel. Dehydroiodination of Iodo- and Diiodomethane by a Transient Phosphinidene Complex. Angewandte Chemie International Edition. 2007-03-12, 46 (12): 2104–2107 [2019-06-19]. doi:10.1002/anie.200602617 (英语).
- ^ Lili Duan, Gregor Schnakenburg, Jörg Daniels, Rainer Streubel. P-OR Functional Phosphanido and/or Li/OR Phosphinidenoid Complexes?. European Journal of Inorganic Chemistry. 2012-07, 2012 (21): 3490–3499 [2019-06-19]. doi:10.1002/ejic.201200368 (英语).
- ^ Lili Duan, Gregor Schnakenburg, Jörg Daniels, Rainer Streubel. Synthesis of Aminophosphane Complexes: Searching the Boundary between Phosphanide and Phosphinidenoid Complex Chemistry. European Journal of Inorganic Chemistry. 2012-05, 2012 (13): 2314–2319 [2019-06-19]. doi:10.1002/ejic.201101437 (英语).
- ^ Holger Helten, Marianne Engeser, Dietrich Gudat, Reinhold Schilling, Gregor Schnakenburg, Martin Nieger, Rainer Streubel. Protonation of 2 H -Azaphosphirene Complexes: P–N Bond Activation and Ring-Expansion Reactions. Chemistry - A European Journal. 2009-03-02, 15 (11): 2602–2616 [2019-06-19]. doi:10.1002/chem.200802003 (英语).
参见
- Emanuel Ionescu, Gerd von Frantzius, Peter G. Jones, Rainer Streubel. Photochemical and Thermal Reactions of a 2 H -Azaphosphirene Complex with Isonitriles. Organometallics. 2005-04, 24 (9): 2237–2240 [2019-06-19]. ISSN 0276-7333. doi:10.1021/om049014u (英语).