磷烯烃MesP=CH2的“掩蔽”源:捕获、重排和寡聚化

IF 1.1 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Heteroatom Chemistry Pub Date : 2019-01-03 DOI:10.1002/hc.21474

Leixing Chen, Shuai Wang, Patrick Werz, Zeyu Han, Derek P. Gates

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引用次数: 3

摘要

我们报道了用MesPCl(CH2Cl)处理MgA·3THF (a =蒽烯)合成“掩膜”磷酸烯烃的尝试。虽然不能分离出所需的“掩膜”磷烯烃，但获得了其形成的间接证据。检测了1,3-环己二烯捕获MesP=CH2的产物。此外，从上述MgA·3THF和MesPCl(CH2Cl)实验中分离出氧化物MesPO(Me)A并对其进行了晶体学表征。最后，试图分离出“蒙面”的磷烯烃，得到了具有三峰分子量分布的含p低聚物[Mn = 640, 1.7 × 103和7.4 × 103 Da]。

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A “masked” source for the phosphaalkene MesP=CH2: Trapping, rearrangement, and oligomerization

We report the attempted synthesis of a “masked” phosphaalkene by treating MgA·3THF (A = anthracenide) with MesPCl(CH₂Cl). Although the desired “masked” phosphaalkene could not be isolated, indirect evidence for its formation was obtained. The product of trapping MesP=CH₂ with 1,3-cyclohexadiene was detected. In addition, the oxide MesPO(Me)A was isolated and crystallographically characterized from the MgA·3THF and MesPCl(CH₂Cl) experiment described above. Finally, the attempted isolation of “masked” phoshaalkene afforded P-containing oligomers with a trimodal molecular weight distribution [M_n = 640, 1.7 × 10³ and 7.4 × 10³ Da].

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来源期刊

Heteroatom Chemistry 化学-化学综合

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： Heteroatom Chemistry brings together a broad, interdisciplinary group of chemists who work with compounds containing main-group elements of groups 13 through 17 of the Periodic Table, and certain other related elements. The fundamental reactivity under investigation should, in all cases, be concentrated about the heteroatoms. It does not matter whether the compounds being studied are acyclic or cyclic; saturated or unsaturated; monomeric, polymeric or solid state in nature; inorganic, organic, or naturally occurring, so long as the heteroatom is playing an essential role. Computational, experimental, and combined studies are equally welcome. Subject areas include (but are by no means limited to): -Reactivity about heteroatoms for accessing new products or synthetic pathways -Unusual valency main-group element compounds and their properties -Highly strained (e.g. bridged) main-group element compounds and their properties -Photochemical or thermal cleavage of heteroatom bonds and the resulting reactivity -Uncommon and structurally interesting heteroatom-containing species (including those containing multiple bonds and catenation) -Stereochemistry of compounds due to the presence of heteroatoms -Neighboring group effects of heteroatoms on the properties of compounds -Main-group element compounds as analogues of transition metal compounds -Variations and new results from established and named reactions (including Wittig, Kabachnik–Fields, Pudovik, Arbuzov, Hirao, and Mitsunobu) -Catalysis and green syntheses enabled by heteroatoms and their chemistry -Applications of compounds where the heteroatom plays a critical role. In addition to original research articles on heteroatom chemistry, the journal welcomes focused review articles that examine the state of the art, identify emerging trends, and suggest future directions for developing fields.