Synthesis of beta-substituted cyclopentenones via carbon alkylation of metalated gamma-methoxycyclopentenyl phenylsulfonyl anion
摘要:
Metalation of gamma-methoxyallyl sulfone 13 provides phenylsulfonyl anion 2a which undergoes alkylation followed by hydrolysis to afford beta-substituted cyclopentenones.
Jin, Zhendong; Fuchs, Journal of the American Chemical Society, 1994, vol. 116, # 13, p. 5995 - 5996
作者:Jin, Zhendong、Fuchs
DOI:——
日期:——
Jin Zhendong, Fuchs P. L., J. Amer. Chem. Soc, 116 (1994) N 13, S 5995-5996
作者:Jin Zhendong, Fuchs P. L.
DOI:——
日期:——
Synthesis of beta-substituted cyclopentenones via carbon alkylation of metalated gamma-methoxycyclopentenyl phenylsulfonyl anion
作者:Seong Heon Kim、Zhendong Jin、P.L Fuchs
DOI:10.1016/0040-4039(95)00822-t
日期:1995.6
Metalation of gamma-methoxyallyl sulfone 13 provides phenylsulfonyl anion 2a which undergoes alkylation followed by hydrolysis to afford beta-substituted cyclopentenones.
Phosphazene base P2-Et mediated isomerization of vinyl sulfones to allyl sulfones
作者:Zhendong Jin、Seong Heon Kim、P.L. Fuchs
DOI:10.1016/0040-4039(96)01110-0
日期:1996.7
Treatment of vinylsulfones with 0.1–0.2 eq of Phosphazene base, P2-Et in THF at 25°C affords the corresponding allyl sulfones in high yield. P2-Et has shown clear superiority to both DBU and KO-t-Bu in these reactions.