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Tetra‐ tert ‐butyltetraphosphacubane: The First Thermal Cyclooligomerization of a Phosphaalkyne
Author(s) -
Wettling Thomas,
Schneider Jürgen,
Wagner Oliver,
Kreiter Cornelius G.,
Regitz Manfred
Publication year - 1989
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198910131
Subject(s) - chemistry , tetra , thermal , tube (container) , carbon 13 nmr , glass tube , stereochemistry , medicinal chemistry , materials science , composite material , thermodynamics , physics
A previously unknown reaction of phosphaalkynes , the thermal cyclotetramerization of 1 , leads in one step to the title compound 2 (65 h at 130°C in a glass pressure tube, neat). Compound 2 is pale yellow and air stable. The NMR signals of the cage atoms are unusual: δ( 13 C)= −29.07, δ( 31 P)= + 257.4.
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