Helvetica Chimica Acta p. 452 - 458 (1995)
Update date:2022-07-29
Topics:
Jefford, Charles W.
Favarger, France
Vicente, Maria da Graca H.
Jacquier, Yvan
Two cis-fused cyclopenteno-1,2,4-trioxanes, 1a and 1b, were subjected to Zn in AcOH or FeCl2*4H2O in MeCN.In the first case, the main course was deoxygenation to give cyclopentanone (18) and the 1,4-diphenyl- or 1,4-bis(4-fluorophenyl)cyclopent-3-ene-1,2-diol 10 (Scheme 5).In the second case, isomerization chiefly occured resulting in the formation of a dimer 9 of the respective 3,5-diaryl-5-hydroxycyclopent-2-enyl 5-hydroxypentanoates 8 (Scheme 3).
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