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Dimethylamine, hydrochloride → (2S,4S)-4-[4-(6-Amino-5-benzothiazol-2-ylpyridin-3-yl)-pyrazol-1-yl]-pyrrolidine-2-carboxylic acid dimethylamide

HRID 1926357
ノート
印刷プレビュー

反応式

HRID 1926357 の反応式
[NH2:1][C:2]1[N:7]=[CH:6][C:5]([C:8]2[CH:9]=[N:10][N:11]([C@@H:13]3[CH2:17][NH:16][C@H:15]([C:18]([OH:20])=O)[CH2:14]3)[CH:12]=2)=[CH:4][C:3]=1[C:21]1[S:22][C:23]2[CH:29]=[CH:28][CH:27]=[CH:26][C:24]=2[N:25]=1.Cl.[CH3:31][NH:32][CH3:33].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F>CN(C=O)C>[CH3:31][N:32]([CH3:33])[C:18]([C@@H:15]1[CH2:14][C@H:13]([N:11]2[CH:12]=[C:8]([C:5]3[CH:6]=[N:7][C:2]([NH2:1])=[C:3]([C:21]4[S:22][C:23]5[CH:29]=[CH:28][CH:27]=[CH:26][C:24]=5[N:25]=4)[CH:4]=3)[CH:9]=[N:10]2)[CH2:17][NH:16]1)=[O:20]
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 10473Dimethylamine, hydrochlorideHCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 44160252(2S,4S)-4-[4-(6-Amino-5-benzothiazol-2-ylpyridin-3-yl)-pyrazol-1-yl]-pyrrolidine-2-carboxylic acid

生成物 1

HCID 44160253(2S,4S)-4-[4-(6-Amino-5-benzothiazol-2-ylpyridin-3-yl)-pyrazol-1-yl]-pyrrolidine-2-carboxylic acid dimethylamide

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To a solution of (2S,4S)-4-[4-(6-amino-5-benzothiazol-2-ylpyridin-3-yl)-pyrazol-1-yl]-pyrrolidine-2-carboxylic acid (5.00 mg, 0.00969 mmol) in DMF (2 mL) at rt were added dimethylamine hydrochloride (20 mg, 0.25 mmol) and DIPEA (0.1 mL, 0.6 mmol), and the mixture was stirred for 1 min. TBTU (6.22 mg, 0.0194 mmol) was then added, and the solution was stirred for 10 min. The material was transferred to a separatory funnel. The organic layer was washed with water, and concentrated in vacuo. The material was loaded onto a prep TLC plate, eluting with 6% (7N NH3 in MeOH)/DCM. The band containing the product was collected and filtered off with 1:1 MeOH/DCM. The filtrate was concentrated in vacuo to afford the title compound as a yellow solid. 1H NMR (400 MHz, CD3OD): δ=2.15-2.21 (m, 1H), 2.82-2.91 (m, 1H), 3.00 (s, 3H), 3.12 (s, 3H), 3.23 (dd, J=12.4, 6.3 Hz, 1H), 3.49 (dd, J=12.0, 3.4 Hz, 1H), 4.15 (t, J=8.3 Hz, 1H), 4.98-5.05 (m, 1H), 7.42-7.47 (m, 1H), 7.53 (td, J=7.7, 1.3 Hz, 1H), 7.85 (s, 1H), 8.02 (dd, J=11.6, 7.8 Hz, 2H), 8.13 (s, 1H), 8.20 (d, J=2.3 Hz, 1H), 8.32 (d, J=2.0 Hz, 1H). MS (ES+): m/z=434.14 (100) [MH+]. HPLC: tR=2.12 min (ZQ2, polar—5 min).

後処理

  1. stirringthe solution was stirred for 10 min
  2. customThe material was transferred to a separatory funnel
  3. washThe organic layer was washed with water
  4. concentrationconcentrated in vacuo
  5. washeluting with 6% (7N NH3 in MeOH)/DCM
  6. additionThe band containing the product
  7. customwas collected
  8. filtrationfiltered off with 1:1 MeOH/DCM
  9. concentrationThe filtrate was concentrated in vacuo

出典と根拠

ORDレコード
ord-7af8535b6aca4178933143e77d2c3c67
出典データセット
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08178668B2

反応ノート

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