6540-33-6

基本信息
2-環(huán)丁基乙酸
CYCLOBUTYL-ACETIC ACID
2-cyclobutylacetic acid
cyclobutylacetic acid(SALTDATA: FREE)
物理化學(xué)性質(zhì)
安全數(shù)據(jù)
制備方法

4426-03-3

6540-33-6
步驟2:將2-環(huán)丁基乙腈(15.00g,157.66mmol,1.00當量)溶于6M鹽酸(150mL,5.71當量)中,于120℃下攪拌反應(yīng)16小時。反應(yīng)完成后,將混合物用蒸餾水(500mL)稀釋,并用乙酸乙酯(200mL×2)進行萃取。合并有機相,用蒸餾水(400mL)洗滌。有機層經(jīng)無水硫酸鈉干燥后,減壓濃縮,得到2-環(huán)丁基乙酸(16.00g,140.18mmol,產(chǎn)率88.9%)為無色液體。核磁共振氫譜(CDCl3,400MHz)δ:2.69-2.68(m,1H),2.47-2.45(m,2H),2.17-2.15(m,2H),1.89-1.87(m,2H),1.75-1.70(m,2H)。
參考文獻:
[1] Patent: WO2017/21969, 2017, A1. Location in patent: Page/Page column 62; 54
[2] Journal of medicinal chemistry, 1963, vol. 6, p. 221 - 227
[3] Molecular Crystals and Liquid Crystals (1969-1991), 1989, vol. 168, p. 229 - 246
[4] Bioorganic and Medicinal Chemistry Letters, 2006, vol. 16, # 18, p. 4715 - 4722
[5] Journal of the American Chemical Society, 1994, vol. 116, # 19, p. 8843 - 8844