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1,2-Dichloroethane → 6-{3-[4-(Thiazole-2-carbonyl)-piperazin-1-yl]-azetidine-1-carbonyl}-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

HRID 401644
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HRID 401644 반응식
[NH:1]1[CH2:4][CH:3]([N:5]2[CH2:10][CH2:9][N:8]([C:11]([C:13]3[S:14][CH:15]=[CH:16][N:17]=3)=[O:12])[CH2:7][CH2:6]2)[CH2:2]1.[C:18]([O:22][C:23]([N:25]1[CH2:34][CH2:33][C:32]2[C:27](=[CH:28][CH:29]=[C:30]([C:35](O)=[O:36])[CH:31]=2)[CH2:26]1)=[O:24])([CH3:21])([CH3:20])[CH3:19].C(Cl)CCl.CCN(CC)CC>C(Cl)Cl>[C:18]([O:22][C:23]([N:25]1[CH2:34][CH2:33][C:32]2[C:27](=[CH:28][CH:29]=[C:30]([C:35]([N:1]3[CH2:2][CH:3]([N:5]4[CH2:6][CH2:7][N:8]([C:11]([C:13]5[S:14][CH:15]=[CH:16][N:17]=5)=[O:12])[CH2:9][CH2:10]4)[CH2:4]3)=[O:36])[CH:31]=2)[CH2:26]1)=[O:24])([CH3:21])([CH3:19])[CH3:20]
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참가 물질

6

반응물 4

HCID 111,2-DichloroethaneHCID 8471TriethylamineHCID 113578872-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acidHCID 59625677(4-(Azetidin-3-yl)piperazin-1-yl)(thiazol-2-yl)methanone

생성물 1

HCID 596257276-{3-[4-(Thiazole-2-carbonyl)-piperazin-1-yl]-azetidine-1-carbonyl}-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester수율 80.7%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of compound 5e (651 mg, 2 mmol), 3,4-dihydro-1H-isoquinoline-2,6-dicarboxylic acid 2-tert-butyl ester 17b (555 mg, 2 mmol), and EDC (466 mg, 3 mmol) in CH2Cl2 (20 mL) was added Et3N (0.84 mL, 6 mmol). The reaction mixture was stirred at room temperature overnight. The mixture was extracted with CH2Cl2, and H2O after acidifying the water layer to pH˜6 with 1N aqueous HCl. The organic solution was dried over Na2SO4 and concentrated. Purification of the residue by flash column chromatography (silica gel, 2% MeOH/EtOAc) gave 17c (826 mg). MS m/z (M+H+) 512.1.

후처리

  1. extractionThe mixture was extracted with CH2Cl2, and H2O
  2. dry with materialThe organic solution was dried over Na2SO4
  3. concentrationconcentrated
  4. customPurification of the residue by flash column chromatography (silica gel, 2% MeOH/EtOAc)

출처 및 근거

ORD 기록
ord-48e9d592934c415fb1a6e353e4595f19
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08741887B2

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