GENERATION OF ALPHA-ALKOXYCARBONYL ALKYLIDENECARBENES - SYNTHESIS OF T-BUTYL CYCLOPENTENECARBOXYLATES

Citation
S. Ohira et al., GENERATION OF ALPHA-ALKOXYCARBONYL ALKYLIDENECARBENES - SYNTHESIS OF T-BUTYL CYCLOPENTENECARBOXYLATES, Tetrahedron letters, 36(48), 1995, pp. 8843-8844
Citations number
24
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
36
Issue
48
Year of publication
1995
Pages
8843 - 8844
Database
ISI
SICI code
0040-4039(1995)36:48<8843:GOAA-S>2.0.ZU;2-9
Abstract
Triflates of 2-hydroxymethylene t-butyl esters, derived from simple t- butyl esters, were treated with potassium t-butoxide in THF to generat e alkylidenecarbenes. At room temperature, they underwent intramolecul ar 1,5 C-H insertion giving t-butyl t-butyl cyclopentenecarboxylates.