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7741520 
Journal Article 
Phosphazene bases and the anionic oxy-Cope rearrangement 
Mamdani, HT; Hartley, RC 
2000 
1 
Tetrahedron Letters
ISSN: 0040-4039
EISSN: 1873-3581 
PERGAMON-ELSEVIER SCIENCE LTD 
OXFORD 
41 
5 
747-749 
English 
WOS:000085038700039 
Compounds containing a 1,5-hexadien-3-ol system undergo anionic oxy-Cope rearrangement when treated with the phosphazene super-base, P4-t-Bu. The [3,3] sigmatropic rearrangement occurs in hexane as well as in THF. The weaker phosphazene base, P2-Et fails to induce rearrangement. This is the first example of the use of a metal-free base to induce anionic oxy-Cope rearrangement. © 2000 Elsevier Science Ltd. 
phosphazenes; rearrangements; alcohols; ketones