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1-Hydroxybenzotriazole → 2-[3-(4-Chloro-phenyl)-ureido]-benzothiazole-6-carboxylic acid (2-oxo-2,3-dihydro-benzooxazol-6-yl)-amide

HRID 455012
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HRID 455012 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:9](=[O:23])[NH:10][C:11]2[S:12][C:13]3[CH:19]=[C:18]([C:20]([OH:22])=O)[CH:17]=[CH:16][C:14]=3[N:15]=2)=[CH:4][CH:3]=1.[NH2:24][C:25]1[CH:34]=[CH:33][C:28]2[NH:29][C:30](=[O:32])[O:31][C:27]=2[CH:26]=1.CCN=C=NCCCN(C)C.Cl.C1C=CC2N(O)N=NC=2C=1>CN(C=O)C.O>[O:32]=[C:30]1[NH:29][C:28]2[CH:33]=[CH:34][C:25]([NH:24][C:20]([C:18]3[CH:17]=[CH:16][C:14]4[N:15]=[C:11]([NH:10][C:9]([NH:8][C:5]5[CH:4]=[CH:3][C:2]([Cl:1])=[CH:7][CH:6]=5)=[O:23])[S:12][C:13]=4[CH:19]=3)=[O:22])=[CH:26][C:27]=2[O:31]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 757711-HydroxybenzotriazoleHCID 8269896-amino-1,3-benzoxazol-2(3H)-oneHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 866613812-[3-(4-Chloro-phenyl)-ureido]-benzothiazole-6-carboxylic acid

생성물 1

HCID 469405502-[3-(4-Chloro-phenyl)-ureido]-benzothiazole-6-carboxylic acid (2-oxo-2,3-dihydro-benzooxazol-6-yl)-amide
수율 70%

시약·촉매·용매 2

HCID 962Water용매HCID 6228Dimethylformamide용매

실험 절차

Starting material 35 (300 mg, 45% content, 0.4 mmol) and 6-Amino-3H-benzooxazol-2-one (30, 58 mg, 0.4 mmol) were dissolved in 2 ml of dry DMF. Then EDCl (96 mg, 0.5 mmol) and HOBt (76 mg, 0.5 mmol) were added. The reaction was stirred at ambient temperature over night. It was then purred into water and the resulting precipitate was filtered. The isolated precipitate was then stirred in 100 ml warm methanol and the non-soluble crystals filtered and washed with methanol. Thereby the desired product 36 (130 mg, 0.271 mmol, 70%) could be isolated.

후처리

  1. filtrationthe resulting precipitate was filtered
  2. stirringThe isolated precipitate was then stirred in 100 ml
  3. temperaturewarm methanol
  4. filtrationthe non-soluble crystals filtered
  5. washwashed with methanol

출처 및 근거

ORD 기록
ord-d1ab1390220a4213af605416c18756cd
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08497283B2

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