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Ethanol → tert-butyl N-[4-[3-(2-chloro-6-methyl-4-nitrophenyl)phenyl]sulfonyl-5-methylsulfanylthiophene-2-carboximidoyl]carbamate

HRID 2216050
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HRID 2216050 반응식
Br[C:2]1[C:7]([CH3:8])=[CH:6][C:5]([N+:9]([O-:11])=[O:10])=[CH:4][C:3]=1[Cl:12].[C:13]([O:17][C:18](=[O:41])[NH:19][C:20]([C:22]1[S:23][C:24]([S:39][CH3:40])=[C:25]([S:27]([C:30]2[CH:35]=[CH:34][C:33](O)=[C:32](B)[C:31]=2O)(=[O:29])=[O:28])[CH:26]=1)=[NH:21])([CH3:16])([CH3:15])[CH3:14].C(O)C.C1(C)C=CC=CC=1>C([O-])([O-])=O.[Na+].[Na+].C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.CCOC(C)=O>[C:13]([O:17][C:18](=[O:41])[NH:19][C:20]([C:22]1[S:23][C:24]([S:39][CH3:40])=[C:25]([S:27]([C:30]2[CH:31]=[C:32]([C:2]3[C:7]([CH3:8])=[CH:6][C:5]([N+:9]([O-:11])=[O:10])=[CH:4][C:3]=3[Cl:12])[CH:33]=[CH:34][CH:35]=2)(=[O:29])=[O:28])[CH:26]=1)=[NH:21])([CH3:16])([CH3:15])[CH3:14]
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참가 물질

8

반응물 4

HCID 702EthanolHCID 1140TolueneHCID 218863692-Bromo-1-chloro-3-methyl-5-nitrobenzeneHCID 178419158HCID 178419158, 화합물

생성물 1

HCID 145857711tert-butyl N-[4-[3-(2-chloro-6-methyl-4-nitrophenyl)phenyl]sulfonyl-5-methylsulfanylthiophene-2-carboximidoyl]carbamate수율 29%

시약·촉매·용매 3

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 8857Ethyl Acetate용매
HCID 10340Sodium Carbonate용매

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온도
80 °C

실험 절차

2-Bromo-1-chloro-3-methyl-5-nitro-benzene (45 mg, 0.219 mmol), {[4-(3-Boranyl-dihydroxy-benzenesulfonyl)-5-methylsulfanyl-thiophen-2-yl]-imino-methyl}-carbamic acid tert-butyl ester (50 mg, 0.11 mmol, Example 140: step a) and Pd(PPh3)4 (25 mg, 0.02 mmol) were combined in aqueous Na2CO3 (2M, 500 μL), ethanol (500 μL) and toluene (1 mL). The reaction was heated to 80° C. overnight. The resulting residue was dissolved into EtOAc and washed with brine. The organic layers were dried (MgSO4) and the solvent was removed in vacuo followed by preparative TLC purification (30% EtOAc/hexanes) that yielded the title compound (20 mg, 29%). ESI-MS (m/z): Calcd. for C24H24ClN3O6S3: 582.1 (M+1); found: 582.1.

후처리

  1. washwashed with brine
  2. dry with materialThe organic layers were dried (MgSO4)
  3. customthe solvent was removed in vacuo
  4. customfollowed by preparative TLC purification (30% EtOAc/hexanes)

출처 및 근거

ORD 기록
ord-50be4308ee90485c8028fa9461525d1f
출처 데이터셋
uspto-grants-2006_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07109354B2

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