74796-67-1Relevant academic research and scientific papers
Synthesis of 3-Methyl-4-substituted Butenolides Using Regioselective Reaction of Phenylsulfonylbutenolide
Yoda, Hidemi,Shirakawa, Koji,Takabe, Kunihiko
, p. 1391 - 1392 (2007/10/02)
The anion of 4-phenylsulfonylbutenolide generated by deprotonation with lithium diisopropylamide reacted with a variety of electrophilic reagents regioselectively to afford 4-alkylated compounds, which were desulfurized in good yields to 4-substituted but
A SIMPLE ROUTE TO Δ2-BUTENOLIDES FROM CONJUGATED ALDEHYDES
Corey, E. J.,Schmidt, Greg
, p. 731 - 734 (2007/10/02)
A variety of Δ2-butenolides may be synthesized by oxidation of the O-trimethylsilylcyanohydrins of α,β-unsaturated aldehydes using pyridinium dichromate in dimethylformamide.
