108572-90-3Relevant articles and documents
SYNTHESIS AND REARRANGEMENT OF FUNCTIONALIZED DISPIROUNDECANES - PREFERRED C4-C5 OVER C3-C4 RING ENLARGEMENTS
Fitjer, Lutz,Majewski, Marita,Kanschik, Andreas,Egert, Ernst,Sheldrick, George M.
, p. 3603 - 3606 (1986)
The functionalized dispiroundecanes 9 and 8 undergo cascade rearrangements to yield the bi- and tricyclic systems 10, 11, 12 and 3, respectively.The rearrangements proceed via an initial enlargement of the four-membered ring.