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2-Methyl-3-butyn-2-ol → 8-Fluoro-9-(3-hydroxy-3-methyl-but-1-ynyl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-2-carboxylic acid amide

HRID 575090
ノート
印刷プレビュー

反応式

HRID 575090 の反応式
Br[C:2]1[C:3]([F:19])=[CH:4][C:5]2[O:14][CH2:13][CH2:12][C:11]3[S:10][C:9]([C:15]([NH2:17])=[O:16])=[N:8][C:7]=3[C:6]=2[CH:18]=1.[CH3:20][C:21]([OH:25])([C:23]#[CH:24])[CH3:22]>CS(C)=O.C(N(CC)CC)C.O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[F:19][C:3]1[C:2]([C:24]#[C:23][C:21]([OH:25])([CH3:22])[CH3:20])=[CH:18][C:6]2[C:7]3[N:8]=[C:9]([C:15]([NH2:17])=[O:16])[S:10][C:11]=3[CH2:12][CH2:13][O:14][C:5]=2[CH:4]=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 2

HCID 82582-Methyl-3-butyn-2-olHCID 866930599-Bromo-8-fluoro-4,5-dihydro-[1]benzoxepino[5,4-d]thiazole-2-carboxamide

生成物 1

HCID 866931198-Fluoro-9-(3-hydroxy-3-methyl-but-1-ynyl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-2-carboxylic acid amide

試薬・触媒・溶媒 4

HCID 178418476HCID 178418476、化合物触媒HCID 679Dimethyl Sulfoxide
溶媒
HCID 962Water溶媒
HCID 8471Triethylamine溶媒

実験手順

The title compound was prepared according to a procedure similar to that described in Procedure G. Into a 8-mL sealed tube purged and maintained with an inert atmosphere of nitrogen, was placed a suspension of 9-Bromo-8-fluoro-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-2-carboxylic acid amide (300 mg, 0.87 mmol, 1.00 equiv), 2-methylbut-3-yn-2-ol (260 mg, 3.09 mmol, 3.50 equiv) and Pd(PPh3)2Cl2 (60 mg, 0.09 mmol, 0.10 equiv) in DMSO (1 mL) and triethylamine (1 mL). The final reaction mixture was irradiated with microwave radiation for 1 h at 70° C. The resulting solution was diluted with 20 mL of water. The solids were collected by filtration and washed with 20 mL of ethyl acetate. This resulted in 0.24 g (79%) of 8-Fluoro-9-(3-hydroxy-3-methyl-but-1-ynyl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-2-carboxylic acid amide as a off-white solid. LC-MS (ES, m/z): 347[M+H]+; 1H-NMR: (300 MHz, DMSO-d6, ppm) δ 8.652 (d, 1H), 8.460 (s, 1H), 7.860 (s, 1H), 7.007 (d, 1H), 5.497 (s, 1H), 4.391 (t, 2H), 3.414 (t, 2H), 1.491 (s, 6H).

後処理

  1. customInto a 8-mL sealed tube
  2. custompurged
  3. temperaturemaintained with an inert atmosphere of nitrogen
  4. customThe final reaction mixture
  5. customwas irradiated with microwave radiation for 1 h at 70° C
  6. filtrationThe solids were collected by filtration
  7. washwashed with 20 mL of ethyl acetate
  8. customThis resulted in 0.24 g (79%) of 8-Fluoro-9-(3-hydroxy-3-methyl-but-1-ynyl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene-2-carboxylic acid amide as a off-white solid

出典と根拠

ORDレコード
ord-54ee7af7eabd4419b76da5c86b629a24
出典データセット
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09034866B2

反応ノート

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