A convenient preparative method for 2-alkyl-γ-butyrolactones
by T. Inaba, M. Sakamoto, T. Fujita, S . Watanabe
International Journal of Materials and Product Technology (IJMPT), Vol. 4, No. 2, 1989

Abstract: Various 2-alkyl-γ-butyrolactones (IV) were prepared from 2-acetyl-γ-butyrolactone (I) via two steps: alkylation of 2-acetyl-γ-butyrolactone (I) followed by deacetylation. For example, 2-hexyl-γ-butyrolactone (IV; R = n-C₆H₁₃) was prepared as follows: reaction of 2-acetyl-γ-butyrolactone (I) with n-hexyl bromide using sodium hydride as a base in dirnethylformamide gave 2 acetyl-2-hexyl-γ-butyrolactone (II; R = n-C₆H₁₃) with 83% yield. Deacetylation of (II; R =# n-C₆H₁₃) with sodium methoxide gave 2-hexyl-γ-butyrolactone (IV; R = n-C₆H₁₃) with 85% yield.

Online publication date: Sat, 06-Nov-2010

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