101131-08-2Relevant articles and documents
Synthesis of Spiro-Compounds: Use of Diselenoacetals for Generation of Quaternary Centres by Alkylation and Radical Cyclization
Set, Lu,Cheshire, David R.,Clive, Derrick L. J.
, p. 1205 - 1207 (2007/10/02)
Ketones are readily converted via the corresponding diphenyl diselenoacetals (2) into selenides (5) which undergo radical 5-exo cyclization to spiro-compounds (7) on treatment with triphenyltin hydride and azoisobutyronitrile; an analogous sequence serves