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Acetaldehyde → N-[3-(4-Chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-ethylamino-2-methyl-propoxy)-phenyl]-3-trifluoromethyl-benzamide

HRID 1425511
ノート
印刷プレビュー

反応式

HRID 1425511 の反応式
[C:1](O[BH-](OC(=O)C)OC(=O)C)(=O)[CH3:2].[Na+].[NH2:15][C:16]([CH3:46])([CH3:45])[CH2:17][O:18][C:19]1[CH:24]=[CH:23][C:22]([NH:25][C:26](=[O:37])[C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([C:33]([F:36])([F:35])[F:34])[CH:28]=2)=[CH:21][C:20]=1[C:38]1[N:39]([CH3:44])[N:40]=[CH:41][C:42]=1[Cl:43].C(=O)C.FC(F)(F)C([O-])=O>C1COCC1.C(OCC)(=O)C.C(=O)(O)[O-].[Na+]>[Cl:43][C:42]1[CH:41]=[N:40][N:39]([CH3:44])[C:38]=1[C:20]1[CH:21]=[C:22]([NH:25][C:26](=[O:37])[C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([C:33]([F:36])([F:34])[F:35])[CH:28]=2)[CH:23]=[CH:24][C:19]=1[O:18][CH2:17][C:16]([NH:15][CH2:1][CH3:2])([CH3:46])[CH3:45]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 177AcetaldehydeHCID 84468TrifluoroacetateHCID 5049666Sodium triacetoxyborohydrideHCID 57814739N-(4-(2-amino-2-methylpropoxy)-3-(4-chloro-2-methyl-2H-pyrazol-3-yl)phenyl)-3-(trifluoromethyl)benzamide

生成物 1

HCID 24888500N-[3-(4-Chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-ethylamino-2-methyl-propoxy)-phenyl]-3-trifluoromethyl-benzamide収率 22%

試薬・触媒・溶媒 3

HCID 8028Tetrahydrofuran溶媒HCID 8857Ethyl Acetate溶媒HCID 516892Sodium Bicarbonate溶媒

実験手順

Sodium triacetoxyborohydride (34.2 mg, 161 μmol) was added to a solution of N-(4-(2-amino-2-methylpropoxy)-3-(4-chloro-2-methyl-2H-pyrazol-3-yl)phenyl)-3-(trifluoromethyl)benzamide (53.8 mg, 115 μmol) and acetaldehyde (5.08 mg, 115 μmol) in THF (0.5 mL), and the mixture was stirred at room temperature. After 4 hours, the reaction was quenched with saturated sodium bicarbonate and extracted with dichloromethane. The extract was evaporated to dryness, the residue was redissolved in methanol, and the product was isolated by preparative HPLC. The trifluoroacetate salt was dissolved in a mixture of ethyl acetate and saturated sodium bicarbonate. The organic layer was washed with brine, dried with sodium sulfate, and evaporated to dryness to afford the title compound (12.5 mg, 22%). LCMS m/z (%)=497.5 (M+H, 37Cl 45.4), 495.3 (M+H, 35Cl 100.0%). 1H NMR (400 MHz, MeOH-d4) δ 1.00 (t, J=7.07 Hz, 3H) 1.07 (s, 6H) 2.42-2.51 (m, 2H) 3.71 (s, 3H) 3.85-3.88 (m, J=9.35 Hz, 1H) 3.90 (d, J=9.09 Hz, 1H) 7.22 (d, J=9.09 Hz, 1H) 7.58 (s, 1H) 7.67 (d, J=2.78 Hz, 1H) 7.73 (t, J=7.83 Hz, 1H) 7.85-7.92 (m, 2H) 8.21 (d, J=7.83 Hz, 1H) 8.27 (s, 1H).

後処理

  1. customthe reaction was quenched with saturated sodium bicarbonate
  2. extractionextracted with dichloromethane
  3. customThe extract was evaporated to dryness
  4. dissolutionthe residue was redissolved in methanol
  5. customthe product was isolated by preparative HPLC
  6. washThe organic layer was washed with brine
  7. dry with materialdried with sodium sulfate
  8. customevaporated to dryness

出典と根拠

ORDレコード
ord-5241535fb2a24b87af8638172a32cb97
出典データセット
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
USRE045337E1

反応ノート

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