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Triethylamine → (2R)-2-[[4-(2-Bromo-acetylamino)-benzyl]-(4-chlorobenzenesulfonyl)-amino]-4-methyl-pentanoic acid amide

HRID 1893853
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HRID 1893853 반응식
[NH2:1][C:2]1[CH:27]=[CH:26][C:5]([CH2:6][N:7]([S:16]([C:19]2[CH:24]=[CH:23][C:22]([Cl:25])=[CH:21][CH:20]=2)(=[O:18])=[O:17])[C@H:8]([CH2:12][CH:13]([CH3:15])[CH3:14])[C:9]([NH2:11])=[O:10])=[CH:4][CH:3]=1.CCN(CC)CC.[Br:35][CH2:36][C:37](Cl)=[O:38]>C(Cl)Cl>[Br:35][CH2:36][C:37]([NH:1][C:2]1[CH:27]=[CH:26][C:5]([CH2:6][N:7]([S:16]([C:19]2[CH:20]=[CH:21][C:22]([Cl:25])=[CH:23][CH:24]=2)(=[O:18])=[O:17])[C@H:8]([CH2:12][CH:13]([CH3:15])[CH3:14])[C:9]([NH2:11])=[O:10])=[CH:4][CH:3]=1)=[O:38]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 89602Bromoacetyl chlorideHCID 59001017(2R)-2-[(4-aminobenzyl)-(4-chloro-benzenesulfonyl)amino]-4-methyl-pentanoic acid amide

생성물 1

HCID 10218145(2R)-2-[[4-(2-Bromo-acetylamino)-benzyl]-(4-chlorobenzenesulfonyl)-amino]-4-methyl-pentanoic acid amide수율 42%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매
2회

실험 절차

To a solution of (2R)-2-[(4-aminobenzyl)-(4-chloro-benzenesulfonyl)amino]-4-methyl-pentanoic acid amide (248 mg, 0.56 mmol) and Et3N (176 mg, 1.74 mmol) in CH2Cl2 (3 mL) was added bromoacetylchloride (105 mg, 0.67 mmol). The reaction mixture was stirred overnight at rt. The reaction mixture was diluted with CH2Cl2 (5 mL), washed with 1 N HCl, brine, and dried through a cotton plug. The solvent was removed in vacuo. Purification by flash chromatography (SiO2, 10% acetone/CH2Cl2) afforded the title compound (124 mg) in 42% yield. MS (ESI), (M+H)+531.86, 1H NMR (CDCl3, 400 MHz) δ 8.78 (br s, NH), 7.95 (d, 2H, J=8.0), 7.82 (d, 2H, J=8.0), 7.42 (d, 2H, J=8.0), 7.33 (d, 2H, J=8.0), 6.20 (br s, 1H), 5.20 (br s, 1H), 4.30 (s, 2H), 4.22 (d, 1H, Jab=16), 4.14 (d, 1H, Jab=16), 3.25 (t, 1H, J=6.0), 1.95 (m, 1H), 1.60 (m, 2H), 0.98 (d, 3H, J=7.0), 0.94 (d, 3H, J=7.0)

후처리

  1. washwashed with 1 N HCl, brine
  2. customdried through a cotton plug
  3. customThe solvent was removed in vacuo
  4. customPurification by flash chromatography (SiO2, 10% acetone/CH2Cl2)

출처 및 근거

ORD 기록
ord-8c4e8b96c66345bea457e160c3e360a9
출처 데이터셋
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08513253B2

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