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Hydrochloric Acid → N-((S)-1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-2-(1-hydroxyethyl)thiazole-4-carboxamide

HRID 872855
ノート
印刷プレビュー

反応式

HRID 872855 の反応式
[C:1]([C:4]1[S:5][CH:6]=[C:7]([C:9]([NH:11][C@@H:12]([CH3:28])[CH2:13][N:14]2[CH:18]=[CH:17][C:16]([C:19]3[CH:24]=[CH:23][C:22]([C:25]#[N:26])=[C:21]([Cl:27])[CH:20]=3)=[N:15]2)=[O:10])[N:8]=1)(=[O:3])[CH3:2].[BH4-].[Na+].O.Cl>C(O)C>[Cl:27][C:21]1[CH:20]=[C:19]([C:16]2[CH:17]=[CH:18][N:14]([CH2:13][C@@H:12]([NH:11][C:9]([C:7]3[N:8]=[C:4]([CH:1]([OH:3])[CH3:2])[S:5][CH:6]=3)=[O:10])[CH3:28])[N:15]=2)[CH:24]=[CH:23][C:22]=1[C:25]#[N:26]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 313Hydrochloric AcidHCID 962WaterHCID 4311764Sodium borohydrideHCID 67172874(S)-2-acetyl-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)thiazole-4-carboxamide

生成物 1

HCID 70655948N-((S)-1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-2-(1-hydroxyethyl)thiazole-4-carboxamide収率 41.6%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

Into a flask containing (S)-2-acetyl-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)thiazole-4-carboxamide (1 g, 2.416 mmol) dissolved in ethanol (10 ml), sodium borohydride (0.137 g, 3.62 mmol) was added in small parts under nitrogen atmosphere. The following mixture was stirred overnight in RT. Next morning water (1 ml) was added dropwise and the pH of the mixture was adjusted to under 7 with 1 M HCl and the mixture was evaporated. 30 ml of ethyl acetate was added and stirred for 30 min, filtered and the filtrate was evaporated and dried in vacuum at 40° C. The product was purified by recrystallizing it twice from diethyl ether/ethanol to yield 41.6% of the title compound. 1H-NMR (400 MHz; DMSO-d6): δ 1.10-1.16 (m, 3H), 1.44-1.48 (m, 3H), 4.29-4.52 (m, 3H), 4.94-4.02 (m, 3H), 6.22-6.26 (m, 1H), 6.95-6.99 (m, 1H), 7.83-7.88 (m, 1H), 7.93-8.00 (m, 2H), 8.07-8.10 (m, 1H), 8.11 (d, 1H), 8.33-4.39 (m, 1H).

後処理

  1. customthe mixture was evaporated
  2. addition30 ml of ethyl acetate was added
  3. stirringstirred for 30 min
  4. filtrationfiltered
  5. customthe filtrate was evaporated
  6. customdried in vacuum at 40° C
  7. customThe product was purified
  8. customby recrystallizing it twice from diethyl ether/ethanol

出典と根拠

ORDレコード
ord-79e31ef66cdb475081f496d159dc81dc
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08975254B2

反応ノート

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