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Triethylamine → 2-[4-(2,4-difluoro-phenyl)-4H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-9-carboxylic acid

HRID 2079024
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HRID 2079024 반응식
Br[C:2]1[CH:3]=[CH:4][C:5]2[O:14][CH2:13][CH2:12][C:11]3[S:10][C:9]([C:15]4[N:19]([C:20]5[CH:25]=[CH:24][C:23]([F:26])=[CH:22][C:21]=5[F:27])[CH:18]=[N:17][N:16]=4)=[N:8][C:7]=3[C:6]=2[CH:28]=1.CC1(C)C2[C:51](=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)[O:50]C2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C(N(CC)CC)C.[C]=[O:79]>CO.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[F:27][C:21]1[CH:22]=[C:23]([F:26])[CH:24]=[CH:25][C:20]=1[N:19]1[CH:18]=[N:17][N:16]=[C:15]1[C:9]1[S:10][C:11]2[CH2:12][CH2:13][O:14][C:5]3[CH:4]=[CH:3][C:2]([C:51]([OH:50])=[O:79])=[CH:28][C:6]=3[C:7]=2[N:8]=1
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참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 57900103HCID 57900103, 화합물HCID 178418416HCID 178418416, 화합물

생성물 1

HCID 668686062-[4-(2,4-difluoro-phenyl)-4H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-9-carboxylic acid

시약·촉매·용매 2

HCID 167845palladium(II) acetate촉매
HCID 887Methanol용매

실험 절차

To a solution of 9-bromo-2-[4-(2,4-difluoro-phenyl)-4H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene (250 mg) in methanol (0.50 mL) was added palladium acetate (6 mg), XANTPHOS (31 mg) and triethylamine (2 mL) and the reaction heated at 70° C. under a balloon of carbon monoxide for 16 h. After cooling to room temperature, the mixture was filtered through Celite, washing with ethyl acetate. The filtrate was reduced in vacuo and redissolved in THF (8 mL) and ethanol (4 mL). Sodium hydroxide solution (43 mg in 4 mL of water) was added and the reaction stirred at room temperature for 16 h. The reaction was then acidified with 2 M hydrochloric acid and the resulting solid was filtered and air-dried to give 2-[4-(2,4-difluoro-phenyl)-4H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-9-carboxylic acid.

후처리

  1. filtrationthe mixture was filtered through Celite
  2. washwashing with ethyl acetate
  3. dissolutionredissolved in THF (8 mL)
  4. additionSodium hydroxide solution (43 mg in 4 mL of water) was added
  5. filtrationthe resulting solid was filtered
  6. customair-dried

출처 및 근거

ORD 기록
ord-17c84af972db434d947b330c969463ef
출처 데이터셋
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07928248B2

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