반응 #87605

반응 방정식

methyl 2-chloro-5-(cyclopropanecarboxamidomethyl)benzoate

methanol

NaOH

→

desired product

수율 52.6%

2-chloro-5-(cyclopropanecarboxamidomethyl)benzoic acid

수율 52.6%

용매

THF

반응 조건

후처리

1. 1
   온도The reaction mixture was refluxed for 3-5 h
2. 2
   농축The reaction mixture was concentrated
3. 3
   workup.ADDITIONdiluted with water
4. 4
   추출The reaction mixture was extracted with 10% MeOH
5. 5
   농축DCM and concentrated

실험 절차

To a solution of methyl 2-chloro-5-(cyclopropanecarboxamidomethyl)benzoate (10.0 g, 30 mmol) in THF: methanol (10:20 mL) was added aqueous solution of NaOH (6.0 g, 140 mmol). The reaction mixture was refluxed for 3-5 h. The reaction mixture was concentrated, diluted with water and acidified with dilute HCl. The reaction mixture was extracted with 10% MeOH:DCM and concentrated to afford 4.0 g of desired product. 1H NMR (300 MHz, DMSO de): δ 0.67 (m, 4H), 1.59 (m, 1H), 4.28 (d, J=6.0 Hz, 2H), 7.37-7.50 (m, 2H), 7.65 (s, 1H), 8.64 (m, 1H), 13.40 (br s, 1H).

출처