210627-86-4Relevant academic research and scientific papers
Synthesis and double olefin extrusion of 2,2,6,6-tetraaryl-1,5-dioxa-4λ5-phosphaspiro[3.3]heptanes
Kawashima, Takayuki,Okazaki, Rei,Okazaki, Renji
, p. 379 - 386 (2007/10/03)
The title compounds were synthesized by cyclization and dehydration of the corresponding bis(β-hydroxyalkyl)phosphine oxides with Appel's reagent. Since these compounds were very moisture sensitive to hydrolyze to the starting bis(β-hydroxyalkyl)phosphine oxides except for tetrakis(4-nitrophenyl) derivative, their in-situ generation and thermolysis were carried out to give two molar equivalents of the corresponding olefins in good yield in sharp contrast to tetrakis(trifluoromethyl) derivative.
