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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
ノート
印刷プレビュー

反応式

HRID 2079024 の反応式
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
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

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

生成物 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

試薬・触媒・溶媒 2

HCID 167845
palladium(II) acetate
触媒
HCID 887Methanol溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-17c84af972db434d947b330c969463ef
出典データセット
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07928248B2

反応ノート

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