Steric hindrance under high pressure. Reactions of 2,4,6-tri-tert-butyl-N-methylaniline with alkyl iodides

1968 ◽  
Vol 90 (22) ◽  
pp. 6145-6148 ◽  
Author(s):  
Yoshiyuki. Okamoto ◽  
Hideo. Shimizu
Keyword(s):  
High Pressure ◽  
Steric Hindrance ◽  
Tert Butyl ◽  
Alkyl Iodides

Tri(tert-butyl)phosphinoxid, -imin, -methylen und -boran / Tri(tert-butyl)phosphine Oxide, Imine, Methylene and Borane

1978 ◽  
Vol 33 (12) ◽  
pp. 1556-1558 ◽  
Author(s):  
Hubert Schmidbaur ◽  
Günter Blaschke
Keyword(s):  
Thermal Decomposition ◽  
Phosphine Oxide ◽  
Steric Hindrance ◽  
Reductive Elimination ◽  
Tert Butyl

Abstract Tri(tert-butyl)phosphine Oxide, Imine, Methylene, Borane Tri(tert-butyl)phosphine oxide, imine, methylene and borane have been prepared and their properties investigated. The imine is chemically inert due to strong steric hindrance. Its thermal decomposition at 200 °C leads to tri(tert-butyl)-pliosphine, in contrast to the methylene analogue which undergoes reductive elimination of isobutene. Both the oxide and borane are thermally very stable (> 250 °C).

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