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2005
Organo-silicon compounds
S 0060
The Study of Intramolecular Tandem Radical Cyclizations of Acylsilanes with
Attached on Silicon. — Acylsilanes undergo endo and exo radical
26- 107 Radicalphiles
cyclizations via a tandem fashion to give spiro products containing a cyclic silyl ether
skeleton. On oxidation of the cyclization products, the alkoxysilyl group is replaced
with a hydroxy group affording diols. Acylsilanes (X) bearing a 3-methyl-3-butenyl
group attached to silicon give exclusively 1,7-endo cyclization products via the tandem
process. — (TANG, K.-H.; LIAO, F.-Y.; TSAI*, Y.-M.; Tetrahedron 61 (2005) 8,
2037-2045; Dep. Chem., Natl. Taiwan Univ., Taipei 106, Taiwan; Eng.) — Klein
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