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Citric Acid → ethyl (4R)-4-[(8-bromo-9-methoxy-1,2,3,4-tetrahydrophenanthridin-6-yl)oxy]-1-[(2S)-2-cyclohexyl-2-({[(2,2-dimethylpent-4-en-1-yl)oxy]carbonyl}amino)acetyl]-L-prolinate

HRID 1423373
ノート
印刷プレビュー

反応式

HRID 1423373 の反応式
Cl.[Br:2][C:3]1[C:16]([O:17][CH3:18])=[CH:15][C:14]2[C:5](=[C:6]([O:19][C@H:20]3[CH2:24][NH:23][C@H:22]([C:25]([O:27][CH2:28][CH3:29])=[O:26])[CH2:21]3)[N:7]=[C:8]3[C:13]=2[CH2:12][CH2:11][CH2:10][CH2:9]3)[CH:4]=1.[CH:30]1([C@H:36]([NH:40][C:41]([O:43][CH2:44][C:45]([CH3:50])([CH3:49])[CH2:46][CH:47]=[CH2:48])=[O:42])[C:37](O)=[O:38])[CH2:35][CH2:34][CH2:33][CH2:32][CH2:31]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.C(O)(=O)CC(CC(O)=O)(C(O)=O)O>CN(C=O)C.CN(C1C=CN=CC=1)C>[Br:2][C:3]1[C:16]([O:17][CH3:18])=[CH:15][C:14]2[C:5](=[C:6]([O:19][C@H:20]3[CH2:24][N:23]([C:37](=[O:38])[C@H:36]([CH:30]4[CH2:35][CH2:34][CH2:33][CH2:32][CH2:31]4)[NH:40][C:41]([O:43][CH2:44][C:45]([CH3:50])([CH3:49])[CH2:46][CH:47]=[CH2:48])=[O:42])[C@H:22]([C:25]([O:27][CH2:28][CH3:29])=[O:26])[CH2:21]3)[N:7]=[C:8]3[C:13]=2[CH2:12][CH2:11][CH2:10][CH2:9]3)[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

8

反応物 5

HCID 311Citric AcidHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 57617041(2S)-cyclohexyl({[(2,2-dimethylpent-4-en-1-yl)oxy]carbonyl}amino)acetic acidHCID 86643485ethyl (4R)-4-[(8-bromo-9-methoxy-1,2,3,4-tetrahydrophenanthridin-6-yl)oxy]-L-prolinate hydrochloride2 回

生成物 1

HCID 86643487ethyl (4R)-4-[(8-bromo-9-methoxy-1,2,3,4-tetrahydrophenanthridin-6-yl)oxy]-1-[(2S)-2-cyclohexyl-2-({[(2,2-dimethylpent-4-en-1-yl)oxy]carbonyl}amino)acetyl]-L-prolinate

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒HCID 6228Dimethylformamide溶媒

実験手順

To a solution of the product from Step 2, ethyl (4R)-4-[(8-bromo-9-methoxy-1,2,3,4-tetrahydrophenanthridin-6-yl)oxy]-L-prolinate hydrochloride (466 mg, 0.96 mmol) in DMF (8 mL) was added linker intermediate B20, (2S)-cyclohexyl({[(2,2-dimethylpent-4-en-1-yl)oxy]carbonyl}amino)acetic acid (300 mg, 1.0 mmol)), DIPEA (0.50 mL, 2.88 mmol), HATU (547 mg, 1.44 mmol), and DMAP (59 mg, 0.48 mmol) were added. The mixture was stirred at r.t. for 18 h and then the mixture was poured into 120 mL of aqueous citric acid. The resulting solid was removed by filtration and washed with water. The solid was then dissolved in EtOAc, dried over Na2SO4, and the solvent was removed in vacuo. The crude material was then purified on silica (gradient elution, 20-50% EtOAc/hexanes) to yield the title compound. LRMS (M+H)+=728.0.

後処理

  1. additionwere added
  2. customThe resulting solid was removed by filtration
  3. washwashed with water
  4. dissolutionThe solid was then dissolved in EtOAc
  5. dry with materialdried over Na2SO4
  6. customthe solvent was removed in vacuo
  7. customThe crude material was then purified on silica (gradient elution, 20-50% EtOAc/hexanes)

出典と根拠

ORDレコード
ord-c78797790b734c3eae3ffd1be2343bdb
出典データセット
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08927569B2

反応ノート

読み込み中…

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