Isolation of an elusive phosphatetrahedrane
Name
eaaz3168.full.pdf
Description
Published version
Size
827.23 KB
Format
Adobe PDF
Checksum (MD5)
e7e40a8e2ecca8a359edc411f652a7ed
Author(s)
Riu, Martin-Louis Y.
Jones, Rebecca L.
Transue, Wesley
Müller, Peter
Cummins, Christopher C
Date Issued
March 2020
Journal
Science Advances
Publisher
American Association for the Advancement of Science (AAAS)
Citation
Riu, Martin-Louis Y. et al.. "Isolation of an elusive phosphatetrahedrane." Science Advances 6, 13 (March 2020): eaaz3168 doi. 10.1126/sciadv.aaz3168 ©2020 Authors
Version
Final published version
Abstract
This exploratory synthesis investigation was undertaken to determine the viability of replacing a single carbon vertex with another p-block element in a highly strained tetrahedrane molecule. Phosphorus was selected for this purpose because the stable molecular form of elemental phosphorus is tetrahedral. Our synthetic strategy was to generate an unsaturated phosphorus center bonded to a substituted cyclopropenyl group, a situation that could lead to closure to provide the desired phosphatetrahedrane framework. This was accomplished by dehydrofluorination of the in situ generated fluorophosphine H(F)P(CtBu)3. Tri-tert-butyl phosphatetrahedrane, P(CtBu)3, was then isolated in 19% yield as a low-melting, volatile, colorless solid and characterized spectroscopically and by a single-crystal x-ray diffraction study, confirming the tetrahedral nature of the molecule’s PC3 core. The molecule exhibits unexpected thermal stability. Copyright ©2020 The Authors, some rights reserved.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
Terms of Use
Creative Commons Attribution 4.0 International license
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DOI of Published Version
https://doi.org/10.1126/SCIADV.AAZ3168
