93404-34-3Relevant academic research and scientific papers
General, robust, and stereocomplementary preparation of β-ketoester enol tosylates as cross-coupling partners utilizing TsCl-N-methylimidazole agents
Nakatsuji, Hidefumi,Ueno, Kanako,Misaki, Tomonori,Tanabe, Yoo
supporting information; scheme or table, p. 2131 - 2134 (2009/05/26)
(Chemical Equation Presented) We have developed a general, robust, and cost-effective method for the (E)- or (Z)-stereocomplementary enol tosylation of β-ketoesters using TsCl-N-methylimidazole (NMI)-Et3N or LiOH. TsCl coupled with NMI formed a
(Z)‐enol p‐tosylate derived from methyl acetoacetate: A useful cross‐coupling partner for the synthesis of methyl (Z)‐3‐phenyl (or aryl)‐2‐butenoate
Ashida, Yuichiro,Nakatsuji, Hidefumi,Tanabe, Yoo
, (2018/11/25)
Procedures yielding (Z)‐3‐(p‐toluenesulfonyloxy)but‐2‐enoate [(Z)‐1] as white prisms and methyl (Z)‐3‐phenyl‐2‐butenoate [(Z)‐2] as a colorless oil are presented. Following are notes on the instruments and chemicals used and required. The chapter conclude
