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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (4-Nitro-2-phenylbenzoyl)methionine methyl ester

HRID 1739137
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HRID 1739137 반응식
[N+:1]([C:4]1[CH:12]=[CH:11][C:7]([C:8]([OH:10])=O)=[C:6]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[CH:5]=1)([O-:3])=[O:2].Cl.[CH3:20][O:21][C:22](=[O:29])[C@H:23]([CH2:25][CH2:26][S:27][CH3:28])[NH2:24].CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.COC(=O)[C@H](CCSC)N(C(=O)C1C=CC(N)=CC=1)C(OC(C)(C)C)=O>C(Cl)Cl.CCN(CC)CC>[CH3:20][O:21][C:22](=[O:29])[C@H:23]([CH2:25][CH2:26][S:27][CH3:28])[NH:24][C:8](=[O:10])[C:7]1[CH:11]=[CH:12][C:4]([N+:1]([O-:3])=[O:2])=[CH:5][C:6]=1[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1
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참가 물질

8

반응물 5

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 106578414-Nitro-2-phenylbenzoic acidHCID 11435579L-Methionine, methyl ester, hydrochlorideHCID 67564255N-BOC-4-aminobenzoyl methionine methyl ester

생성물 1

HCID 18666764
(4-Nitro-2-phenylbenzoyl)methionine methyl ester
수율 85.8%

시약·촉매·용매 2

HCID 6344Dichloromethane용매HCID 8471Triethylamine용매

실험 절차

4-nitro-2-phenylbenzoic acid (0.30 g, 1.23 mmol), methionine methyl ester hydrochloride salt (0.27 g, 1.35 mmol), EDCI (0.26 g, 1.35 mmol), HOBT (0.18 g, 1.35 mmol) and Et3N (0.19 ml) in dry CH2Cl2 (4.9 ml) were reacted according to the above procedure and worked up as described for N-BOC-4-aminobenzoyl methionine methyl ester in Example 1. After recrystallization from ethyl acetate and hexanes, 0.41 g (85.5%) of pure product was isolated. mp 98-101° C.; 1H NMR (CDCl3) 1.62-1.73 (1H, m), 1.79-1.88 (1H, m), 1.91 (3H, s), 1.99 (2H, t, J=7.2 Hz), 3.59 (3H, s), 4.53 (1H, m), 6.45 (1H, d, J=7.8 Hz), 7.33-7.40 (5H, m), 7.67 (1H, d, J=8.3 Hz), 8.07-8.12 (2H, m); 13C NMR (CDCl3) 14.92, 29.11, 30.67, 51.51, 52.29, 121.86, 124.74, 128.27, 128.60, 128.69, 129.52, 137.50, 140.56, 141.02, 148.09, 167.23, 171.23; m/z (FAB), 389 (M+1).

후처리

  1. customAfter recrystallization from ethyl acetate and hexanes

출처 및 근거

ORD 기록
ord-9fcb715aca084b78aa28ea44c79ec279
출처 데이터셋
uspto-grants-1999_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05965539

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