Rearrangement of a t-butyl group occurs when N-phenylsulphonyl-2-t-butyl-1,4-benzoquinone monoimine (Ia) or NN′-bisphenylsulphonyl-2,5-di-t-butyl-1,4-benzoquinone di-imine (IIa) is photolysed. The nature of the products depends upon the solvent employed. Olefins, esters, and heterocycles are among the products isolated.
I. Baxter and I. A. Mensah, J. Chem. Soc. C, 1970, 2604 DOI: 10.1039/J39700002604
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