Helvetica Chimica Acta p. 92 - 99 (1994)
Update date:2022-08-30
Topics:
Busato
Scheffold
The Cbl-catalyzed electroreduction of 3-(2'-bromo-1'-ethoxyethoxy)cyclopenten (1a) in presence of 1-cyanovinyl-acetate (8) gave, in a sequential radical reaction (5-exo-trig-cyclization of 1a following by addition to 8), 1-cyano-2-(2'-ethoxy-hexahydro-2'H-cyclopenta[b]furan-4'-yl)ethyl acetate (10a). This intermediate was transformed to methyl jasmonate (7; four steps) and epituberolide (9; three steps) in 20 and 31% yield, respectively, from cyclopent-2-en-1-ol.
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Doi:10.1007/BF00909960
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