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Water → 2-(4-chlorophenyl)-6-[1-(ethoxycarbonyl)ethoxyl]-4-methyl-2H-1,2,4-benzothiadiazine-3(4H)-one 1,1-dioxide

HRID 477886
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HRID 477886 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:13](=[O:14])[N:12]([CH3:15])[C:11]3[CH:16]=[C:17]([OH:20])[CH:18]=[CH:19][C:10]=3[S:9]2(=[O:22])=[O:21])=[CH:4][CH:3]=1.Br[CH:24]([CH3:30])[C:25]([O:27][CH2:28][CH3:29])=[O:26].C(=O)([O-])[O-].[K+].[K+].O>CN(C)C=O>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:13](=[O:14])[N:12]([CH3:15])[C:11]3[CH:16]=[C:17]([O:20][CH:24]([C:25]([O:27][CH2:28][CH3:29])=[O:26])[CH3:30])[CH:18]=[CH:19][C:10]=3[S:9]2(=[O:21])=[O:22])=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 79040Ethyl 2-bromopropionateHCID 198724772-(4-chlorophenyl)-6-hydroxy-4-methyl-2H-1,2,4-benzothiadiazine-3(4H)-one 1,1-dioxide

생성물 1

HCID 198724672-(4-chlorophenyl)-6-[1-(ethoxycarbonyl)ethoxyl]-4-methyl-2H-1,2,4-benzothiadiazine-3(4H)-one 1,1-dioxide수율 93%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A mixture of 2-(4-chlorophenyl)-6-hydroxy-4-methyl-2H-1,2,4-benzothiadiazine-3(4H)-one 1,1-dioxide (678 mg), ethyl 2-bromopropionate (362 mg), and potassium carbonate (207 mg) in dry N,N-dimethyl formamide (2 ml) was stirred overnight at ambient temperature. The mixture was poured into water and extracted twice with ethyl acetate. The organic layers were washed with water, dried, and evaporated under reduced pressure. The residue was crystallized from n-hexane to yield 2-(4-chlorophenyl)-6-[1-(ethoxycarbonyl)ethoxy]-4-methyl-2H-1,2,4-benzothiadiazine -3(4H)-one 1,1-dioxide (816 mg). (R,S mixture)

후처리

  1. extractionextracted twice with ethyl acetate
  2. washThe organic layers were washed with water
  3. customdried
  4. customevaporated under reduced pressure
  5. customThe residue was crystallized from n-hexane

출처 및 근거

ORD 기록
ord-62b26d76537944458593de93c50f0bcb
출처 데이터셋
uspto-grants-1989_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04889851

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