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具有五个不同相邻氮族元素的分子的合成。

Synthesis of a Molecule with Five Different Adjacent Pnictogens.

作者信息

Ritter Christian, Weigend Florian, von Hänisch Carsten

机构信息

Department of Chemistry and, Wissenschaftliches Zentrum für Materialwissenschaften (WZMW), Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany.

Department of Chemistry, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany.

出版信息

Chemistry. 2020 Jul 14;26(39):8536-8540. doi: 10.1002/chem.202002279. Epub 2020 Jun 18.

DOI:10.1002/chem.202002279
PMID:32428313
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7383748/
Abstract

The first molecular compound with all five pnictogens was obtained by a multi-step reaction. Lithiation of the (bisamido)diazadiarsetidine (tBuNAs) (tBuNH) in aliphatic solvents leads to the dimeric metallated species [(tBuNAs) (tBuNLi) ] (1 ). Upon reactions with AsCl , SbCl and BiCl the polycyclic compounds [(tBuNAs) (tBuN) ]PnCl (Pn=As (2), Sb (3), Bi (4)) can be obtained. Conversion of 2-4 with [tBu SbP(tBu)Li(OEt )] leads to the remarkable interpnictogens [(tBuNAs) (tBuN) ]PnP(tBu)SbtBu (Pn=As (5), Sb (6), Bi (7)), whereby 7 is the first example of a molecule containing all five Group 15 elements. The compound with adjacent AsNBiPSb-chains is surprisingly stable and does not show high sensibility against light as the labile Bi-P bond might suggest.

摘要

通过多步反应得到了首个含有所有五种氮族元素的分子化合物。在脂肪族溶剂中，（双酰胺基）二氮二砷啶（tBuNAs）（tBuNH）进行锂化反应生成二聚金属化物种[(tBuNAs)(tBuNLi)]（1）。与AsCl、SbCl和BiCl反应后，可得到多环化合物[(tBuNAs)(tBuN)]PnCl（Pn = As（2）、Sb（3）、Bi（4））。用[tBuSbP(tBu)Li(OEt)]将2 - 4进行转化，可得到引人注目的氮族元素间化合物[(tBuNAs)(tBuN)]PnP(tBu)SbtBu（Pn = As（5）、Sb（6）、Bi（7）），其中7是首个包含所有五种第15族元素的分子实例。具有相邻AsNBiPSb链的化合物出人意料地稳定，并且不像不稳定的Bi - P键可能暗示的那样对光表现出高敏感性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/9c3ab46aa0d3/CHEM-26-8536-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/42f7039cbd73/CHEM-26-8536-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/8cdd5b5aa286/CHEM-26-8536-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/e4e793a6c4dc/CHEM-26-8536-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/80e608cd4716/CHEM-26-8536-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/bf5d7e1ab948/CHEM-26-8536-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/9c3ab46aa0d3/CHEM-26-8536-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/42f7039cbd73/CHEM-26-8536-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/8cdd5b5aa286/CHEM-26-8536-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/e4e793a6c4dc/CHEM-26-8536-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/80e608cd4716/CHEM-26-8536-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/bf5d7e1ab948/CHEM-26-8536-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff9c/7383748/9c3ab46aa0d3/CHEM-26-8536-g005.jpg

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