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Cesium carbonate → HCID 178525893, 화합물

HRID 1423949
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HRID 1423949 반응식
C([O:3][C:4](=[O:23])[CH2:5][NH:6][C:7]([C:9]1[C:10](=[O:22])[S:11][C:12]2[C:17]([C:18]=1[OH:19])=[CH:16][C:15]([Cl:20])=[CH:14][C:13]=2Br)=[O:8])C.[CH2:24]([B-](F)(F)F)[C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1.[K+].C(=O)([O-])[O-].[Cs+].[Cs+]>C1COCC1.O.C1(P([Pd-2](Cl)(Cl)P(C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[CH2:24]([C:13]1[CH:14]=[C:15]([Cl:20])[CH:16]=[C:17]2[C:12]=1[S:11][C:10](=[O:22])[C:9]([C:7]([NH:6][CH2:5][C:4]([OH:3])=[O:23])=[O:8])=[C:18]2[OH:19])[C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 10796Cesium carbonateHCID 23692459Potassium benzyltrifluoroboranuideHCID 178472764HCID 178472764, 화합물

생성물 1

HCID 178525893HCID 178525893, 화합물수율 81.5%

시약·촉매·용매 2

HCID 178418903HCID 178418903, 화합물촉매
HCID 21881883
Oxolane--water (1/1)
용매

실험 절차

[(8-Bromo-6-chloro-4-hydroxy-2-oxo-2H-thiochromene-3-carbonyl)-amino]-acetic acid ethyl ester (22(d)) (500 mg, 1.2 mmol) was dissolved in THF-water (4:1; 20 mL total volume). To the solution was added potassium benzyltrifluoroborate (285 mg, 1.2 mmol), cesium carbonate (1.2 g, 3.6 mmol), and bis(triphenylphosphino) palladium(II) dichloride (168 mg, 0.24 mmol). The mixture was heated to reflux for six hours, cooled and concentrated. The residue was triturated with hot methanol (20 mL) and filtered to provide the title compound (395 mg.) MS ESI(−) m/e: 402.355, 403.783 (M−1).

후처리

  1. temperatureThe mixture was heated
  2. temperatureto reflux for six hours
  3. temperaturecooled
  4. concentrationconcentrated
  5. customThe residue was triturated with hot methanol (20 mL)
  6. filtrationfiltered

출처 및 근거

ORD 기록
ord-cf5062aa835445c1a0f95d80f0946e00
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08927591B2

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