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Citation: LI Bao-Guo, BIAN Zhan-Xi, ZHAO Ya-Ping. Condensation of Ethylferrocene with Methyl Levulinate[J]. Chinese Journal of Applied Chemistry, ;2001, 18(12): 967-970. shu

Condensation of Ethylferrocene with Methyl Levulinate

1.
Department of Chemistry, Inner Mongolia University, Huhhot 010021

Received Date: 27 January 2001
Available Online: 17 September 2001
Fund Project: 国家"九五"重点科技攻关(95-HG-18-14) (95-HG-18-14)内蒙古自然科学基金(20001301)资助项目 (20001301)

Condensation of ethylferrocne with methyl levulinate was carried out in cyclohexane and catalyzed by PPA-H₂SO₄-CH₃OH to give methyl 4,4-bis(ethylferrocenyl) pentanate with conversion of 73% and the yield of 84%. The suitable reagent compositions obtained through orthogonal factorization method were 55 mmol ethyferrocene, 75 mmol methyl levulinate, 3.0 mL concentrated H₂SO₄, 20 mL cyclohexane and 11 mL of methanol. The structures of the compounds have been characterized by elemental analysis, IR, ¹H NMR and ¹³C NMR.
- ethylferrocene,
- methyl levulinate,
- methyl bis(ethylferrocenyl)pentanate,
- condensation
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