Hydrostannylation of Red Phosphorus: A Convenient Route to Monophosphines.

Hydrostannylation of Red Phosphorus: A Convenient Route to Monophosphines.
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红磷的氢锡化反应:一种便捷合成单膦的途径

DOI:
10.1002/chem.202202456
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发表时间:
2022-12-01
影响因子:
4.3
通讯作者:
Wolf, Robert
Wolf, Robert
中科院分区:
化学2区
文献类型:
--
作者:
Cammarata, Jose;Scott, Daniel J.;Wolf, Robert

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有价值的和工业相关的有机磷化合物的制备目前依赖于间接的多步程序,涉及难以处理的白色磷作为常见的P原子源。在此,我们报告了一种实用且通用的方法,用于直接从实验室稳定的同素异形体赤磷(Pred)合成各种单磷化合物。相对惰性的Pred通过使用廉价且容易获得的自由基试剂三正丁基锡氢化物进行有效官能化,随后用亲电试剂处理产生有用的P1化合物。值得注意的是,这些转化只需要温和的惰性气氛技术,并且只使用廉价且市售的试剂,使其成为大多数实验室环境中方便实用的方法。 有价值的、工业上和学术上相关的单磷化合物可以通过使用常用试剂从赤磷中直接获得。仅需要适度的惰性气氛技术,使其成为从元素赤磷制备P1化合物的方便实用的方法。
The preparation of valuable and industrially relevant organophosphorus compounds currently depends on indirect multistep procedures involving difficult‐to‐handle white phosphorus as a common P atom source. Herein, we report a practical and versatile method for the synthesis of a variety of monophosphorus compounds directly from the bench‐stable allotrope red phosphorus (Pred). The relatively inert Pred was productively functionalised by using the cheap and readily available radical reagent tri‐n‐butyltin hydride, and subsequent treatment with electrophiles yields useful P1 compounds. Remarkably, these transformations require only modest inert‐atmosphere techniques and use only reagents that are inexpensive and commercially available, making this a convenient and practical methodology accessible in most laboratory settings. Valuable, industrially and academically relevant monophosphorus compounds are accessible directly from red phosphorus by using commonly available reagents. Only modest inert‐atmosphere techniques are needed, making this a convenient and practical methodology for the preparation of P1 compounds from elemental, red phosphorus.
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