Tetrahedron Letters p. 321 - 324 (2000)
Update date:2022-08-25
Topics:
Saleur, Damien
Bouillon, Jean-Philippe
Portella, Charles
1,4-Bis(acylsilanes) were prepared by substitution of 1,2-bis(triflates) with 2-lithio-2-trimethylsilyl- 1,3-dithiane or by silylation of 1,2- bis([1,3]dithian-2-yl)ethane and dethioketalization with methyl iodide or mercuric salts. The reaction with 1,2-dihalogenated alkanes gave dehydrodimers of 2-trialkylsilyl-1,3-dithianes. The cyclodehydration of the 1,4-bis(trialkylsilyl)- 1,4-butanediones gave 2,5-bis(trialkylsilyl) furanes.
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