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Citation: CHEN Hui-Zong, LIU Yong-Gen, YANG Yi-Wen, DENG Zhi-Hong, WANG Rui-Fen. Improvement in the Synthetic Method of Borneol[J]. Chinese Journal of Applied Chemistry, ;2005, 22(5): 563-565. shu

Improvement in the Synthetic Method of Borneol

1.
Institute of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330027

Corresponding author: CHEN Hui-Zong,
Received Date: 28 July 2004
Available Online: 20 October 2004
Fund Project: 国家自然科学基金(20262002) (20262002)江西省自然科学基金(0420016)资助项目 (0420016)

The optimum conditions for the synthesis of borneol via the reaction of α-pinene and oxalic acid in the presence of nanometer solid superacid catalyst SO₄^2-/ZrO₂ were obtained.The results show that when the mole ratio of α-pinene to oxalic acid was 1:0.4,the mass fraction of the catalyst SO₄^2-/ZrO₂ to α-pinene 3%,the reaction time 6 h,and the reaction temperature program was 65℃ for 1 h,75℃ for 4 h,90℃ for 1 h,the yield of crude product (borneol) reached 70.9%.This method offers little pollution,high yield,mild reaction condition,good processing safety,and catalyst reusability.
- nanometer solid superacid,
- α-pinene,
- oxalic acid,
- borneol
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