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Acetonitrile → (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-5-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)acetic acid

HRID 879304
ノート
印刷プレビュー

反応式

HRID 879304 の反応式
[I:1]([OH:5])(=[O:4])(=[O:3])=[O:2].[O-2:6].[O-2].[O-2].[Cr+6:9].[C:10]([O:14][C@@H:15]([C:18]1[C:42]([CH3:43])=[CH:41][C:21]2[N:22]=[C:23]([C:25]3[CH:30]=[CH:29][N:28]=[C:27](C4C=C5C(C=NN5C)=CC=4)[CH:26]=3)[S:24][C:20]=2[C:19]=1[C:44]1[CH:49]=[CH:48][C:47]([Cl:50])=[CH:46][CH:45]=1)[CH2:16][OH:17])([CH3:13])([CH3:12])[CH3:11].[C:51](#[N:53])[CH3:52]>>[I:1]([OH:5])(=[O:4])(=[O:3])=[O:2].[O-2:14].[O-2:6].[O-2:2].[Cr+6:9].[C:10]([O:14][C@@H:15]([C:18]1[C:42]([CH3:43])=[CH:41][C:21]2[N:22]=[C:23]([C:25]3[CH:30]=[CH:29][N:28]=[C:27]([C:18]4[CH:15]=[C:52]5[C:21](=[CH:20][CH:19]=4)[N:22]([CH3:23])[N:53]=[CH:51]5)[CH:26]=3)[S:24][C:20]=2[C:19]=1[C:44]1[CH:45]=[CH:46][C:47]([Cl:50])=[CH:48][CH:49]=1)[C:16]([OH:6])=[O:17])([CH3:13])([CH3:12])[CH3:11]
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 6342Acetonitrile2 回HCID 65185Metaperiodic acidHCID 10219390chromium (VI) trioxideHCID 86699820(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-6-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)ethanol

生成物 2

HCID 72194376(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-5-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)acetic acid
HCID 131721976Periodic acid chromium trioxide

実験手順

A stock solution of periodic acid/chromium trioxide was prepared according to WO 99/52850 by dissolving periodic acid (11.4 g, 50.0 mmol) and chromium trioxide (23 mg, 1.2 mol %) in wet acetonitrile (0.75% H2O) to a volume of 114 mL. This stock solution (0.6 mL) was added to a solution of (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-6-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)ethanol (25 mg, 0.049 mmol) in ACN (3 mL) at room temperature and stirred for one hour. The reaction mixture was quenched with saturated Na2SO3 solution and extracted with EtOAc. The organic layer was dried (MgSO4), filtered, concentrated and purified by reverse phase HPLC (H2O/ACN+0.1% TFA) to give the desired product after lyophilization. LCMS-ESI+: calc'd for C33H30ClN4O3S: 597.2 (M+H+); found: 597.2, 599.2. 1H NMR (400 MHz, CD3OD) δ 8.72 (d, J=5.3 Hz, 1H), 8.46 (s, 1H), 8.43 (s, 1H), 8.14-8.08 (m, 2H), 7.94-7.87 (m, 2H), 7.73-7.63 (m, 2H), 7.61-7.54 (m, 3H), 5.26 (s, 1H), 4.10 (s, 3H), 2.63 (s, 3H), 0.97 (s, 9H).

後処理

  1. customThe reaction mixture was quenched with saturated Na2SO3 solution
  2. extractionextracted with EtOAc
  3. dry with materialThe organic layer was dried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated
  6. custompurified by reverse phase HPLC (H2O/ACN+0.1% TFA)

出典と根拠

ORDレコード
ord-69782d9eb0224192989f90de5124682d
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08987250B2

反応ノート

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このページの内容参加物実験手順後処理出典と根拠反応ノート