1,2-Dichloroethane → 3-(2-Benzylaminocarbonyl-4-benzyloxy-phenyl)-acrylic acid tert-butyl ester

HRID 1181108노트

반응식

HRID 1181108 반응식
[CH2:1]([O:8][C:9]1[CH:10]=[CH:11][C:12]([CH:18]=[CH:19][C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])=[C:13]([CH:17]=1)[C:14]([OH:16])=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH2:27]([NH2:34])[C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1.C(Cl)CCl>C(Cl)Cl.CN(C1C=CN=CC=1)C>[C:23]([O:22][C:20](=[O:21])[CH:19]=[CH:18][C:12]1[CH:11]=[CH:10][C:9]([O:8][CH2:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)=[CH:17][C:13]=1[C:14]([NH:34][CH2:27][C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1)=[O:16])([CH3:25])([CH3:24])[CH3:26]

참가 물질

6

반응물 3

HCID 111,2-DichloroethaneHCID 7504BenzylamineHCID 69232261HCID 69232261, 화합물

생성물 1

HCID 692309383-(2-Benzylaminocarbonyl-4-benzyloxy-phenyl)-acrylic acid tert-butyl ester수율 40%

시약·촉매·용매 2

HCID 142844-(Dimethylamino)pyridine촉매HCID 6344Dichloromethane용매

실험 절차

To a solution of 5-benzyloxy-2-(2-tert-butoxycarbonyl-vinyl)-benzoic acid (1.45 g, 4.09 mmol) in CH2Cl2 (40 mL) was added benzylamine (0.613 g, 5.73 mmol), EDC (1.254 g, 6.54 mmol), and DMAP (1.00 g, 8.18 mmol). The resulting mixture was stirred at room temperature for 12 h, washed with aqueous NH4Cl (50 mL), and extracted with CH2Cl2 (2×50 mL). The combined organic layers were dried (Na2SO4) and concentrated. The residue was then purified using silica gel chromatography (hexanes/EtOAc 8/2) to afford the title compound as an oil (720 mg, 40%). 1H NMR (400 MHz, CDCl3): δ 1.52 (s, 9H), 4.63 (d, 2H, J=5.5 Hz), 5.09 (s, 2H), 5.97 (br s, 1H), 6.22 (d, 1H, J=15.6 Hz), 7.01 (dd, 1H, J=2.7, 8.6 Hz), 7.10 (d, 1H, J=2.8 Hz), 7.28-7.42 (m, 10H), 7.55 (d, 1H, J=9.0 Hz), 7.88 (d, 1H, J=16.0 Hz).

후처리

  1. washwashed with aqueous NH4Cl (50 mL)
  2. extractionextracted with CH2Cl2 (2×50 mL)
  3. dry with materialThe combined organic layers were dried (Na2SO4)
  4. concentrationconcentrated
  5. customThe residue was then purified

출처 및 근거

ORD 기록
ord-538107d3fec1407684dd9f50aceb9e8a
출처 데이터셋
uspto-grants-2007_10
특허 번호
US07282501B2

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