The Michael condensation of γ-butyrolactones with cinnamate esters

✍ Scribed by John S. Brimacombe; Zahur-ul-Haque; Alistair W. Murray

• Book ID: 104243211
• Publisher: Elsevier Science
• Year: 1974
• Tongue: French
• Weight: 208 KB
• Volume: 15
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(01)92091-x

✦ Synopsis

Our work on the synthesis of the 1,7-dioxa-2,6-dioxo-spiro[4,4&onane skeleton (A)' required a convenient procedure for the conjugate addition of the anion derived from a y-lactone to a oinnsmate ester. Although controlled ell@ation of la&one enolates has