Silica gel-catalyzed rearrangement of an endoperoxide to a 1,2

erable study recently.2 We now describe the silica gel-catalyzed rearrangement of an isolable endoperoxide to a 1,2-dioxetane in quantitative yield. T...
0 downloads 0 Views 390KB Size
1270 Scheme I

-

Initiation Ph2CN,

+ e-

1

Propagation 1+ 3

4

fast, Ph2C.-

[Ph2CN21.-

-

2

+ N2

3

[Ph,C=NN=CPhJ4

K