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Diisopropylethylamine → Trifluoroacetic acid

HRID 713303
ノート
印刷プレビュー

反応式

HRID 713303 の反応式
[OH:1][C:2]([C:4]([F:7])([F:6])[F:5])=[O:3].[F:8][CH:9]([F:37])[CH2:10][NH:11][C:12]1[N:13]=[C:14]2[CH2:36][CH2:35][NH:34][CH2:33][C:15]2=[N:16][C:17]=1[N:18]1[CH2:23][CH2:22][CH:21]([O:24][C:25]2[CH:30]=[CH:29][C:28]([F:31])=[CH:27][C:26]=2[F:32])[CH2:20][CH2:19]1.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH3:71][O:72][C@H:73]([CH3:77])[C:74](O)=[O:75]>CN(C=O)C>[F:37][CH:9]([F:8])[CH2:10][NH:11][C:12]1[N:13]=[C:14]2[CH2:36][CH2:35][N:34]([C:74](=[O:75])[C@H:73]([O:72][CH3:71])[CH3:77])[CH2:33][C:15]2=[N:16][C:17]=1[N:18]1[CH2:19][CH2:20][CH:21]([O:24][C:25]2[CH:30]=[CH:29][C:28]([F:31])=[CH:27][C:26]=2[F:32])[CH2:22][CH2:23]1.[C:2]([OH:3])([C:4]([F:7])([F:6])[F:5])=[O: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 81531DiisopropylethylamineHCID 2733584(2R)-2-methoxypropanoic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 131734031N-(2,2-difluoroethyl)-3-(4-(2,4-difluorophenoxy)piperidin-1-yl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazin-2-amine TFA salt

生成物 2

HCID 6422Trifluoroacetic acid
収率 164.4%
HCID 118159182(R)-1-(2-(2,2-difluoroethylamino)-3-(4-(2,4-difluorophenoxy)piperidin-1-yl)-7,8-dihydropyrido[3,4-b]pyrazin-6(5H)-yl)-2-methoxypropan-1-one

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒2 回

実験手順

A solution of N-(2,2-difluoroethyl)-3-(4-(2,4-difluorophenoxyl)piperidin-1-yl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazin-2-amine TFA salt (17 mg, 0.032 mmol), DIPEA (12.2 mg, 0.095 mmol), and HATU (13.2 mg, 0.035 mmol) in DMF (158 μL) was stirred for 10 min at rt. To this was added (R)-2-methoxypropanoic acid (3.6 mg, 0.035 mmol), and the resulting reaction mixture stirred overnight. The crude reaction mixture was diluted in DMF, filtered through a hydrophilic PTFE 0.45 μm filter (Millipore® Millex-LCR), and purified via HPLC Method A to give the title compound as a TFA salt (6 mg) as a clear oil. 1H NMR (400 MHz, methanol-d4, mixture of rotamers) δ ppm 1.32 (d, J=6.8 Hz, 1.3H), 1.38 (d, J=6.6 Hz, 1.7H), 1.92-2.03 (m, 2H), 2.09-2.18 (m, 2H), 2.78 (t, J=6.2 Hz, 0.9H), 2.86 (m, 1.1H), 2.97-3.06 (m, 2H), 3.33 (s, 3H), 3.35-3.43 (m, 2H), 3.79 (td, J=14.5, 4.3 Hz, 2H), 3.85-3.97 (m, 2H), 4.36 (dq, J=12.7, 6.5 Hz, 1H), 4.42-4.49 (m, 1H), 4.58 (m, 0.9H), 4.68 (m, 1.1H), 5.90-6.22 (m, 1H), 6.84-6.91 (m, 1H), 6.98 (ddd, J=11.4, 8.5, 3.0 Hz, 1H), 7.18 (td, J=9.2, 5.3 Hz, 1H); ESI-MS m/z [M+H]+ 512.4.

後処理

  1. customthe resulting reaction mixture
  2. customThe crude reaction mixture
  3. filtrationfiltered through a hydrophilic PTFE 0.45 μm
  4. filtrationfilter (Millipore® Millex-LCR)
  5. custompurified via HPLC Method A

出典と根拠

ORDレコード
ord-f3833a777d8e4291b767c0dcba714d31
出典データセット
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09181249B2

反応ノート

読み込み中…

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