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Potassium Phosphate, Tribasic → 5-(3-(6-fluoropyridin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine

HRID 634139
ノート
印刷プレビュー

反応式

HRID 634139 の反応式
I[C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:11]3[S:15][C:14]([NH:16][CH2:17][C:18]4[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][CH:19]=4)=[N:13][N:12]=3)[CH:9]=2)[N:4]([S:26]([C:29]2[CH:35]=[CH:34][C:32]([CH3:33])=[CH:31][CH:30]=2)(=[O:28])=[O:27])[CH:3]=1.[F:36][C:37]1[N:42]=[C:41](B2OC(C)(C)C(C)(C)O2)[CH:40]=[CH:39][CH:38]=1.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>O1CCOCC1.O.C(Cl)Cl.CC(P(C(C)(C)C)C1C=CC(N(C)C)=CC=1)(C)C.CC(P(C(C)(C)C)C1C=CC(N(C)C)=CC=1)(C)C.Cl[Pd]Cl>[F:36][C:37]1[N:42]=[C:41]([C:2]2[C:10]3[C:5](=[CH:6][CH:7]=[C:8]([C:11]4[S:15][C:14]([NH:16][CH2:17][C:18]5[CH:19]=[CH:20][C:21]([O:24][CH3:25])=[CH:22][CH:23]=5)=[N:13][N:12]=4)[CH:9]=3)[N:4]([S:26]([C:29]3[CH:30]=[CH:31][C:32]([CH3:33])=[CH:34][CH:35]=3)(=[O:28])=[O:27])[CH:3]=2)[CH:40]=[CH:39][CH:38]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 62657Potassium Phosphate, TribasicHCID 426145762-Fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridineHCID 683285925-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine

生成物 1

HCID 683283935-(3-(6-fluoropyridin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine収率 88%

試薬・触媒・溶媒 3

HCID 11714597
Bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II)
触媒
HCID 6344Dichloromethane溶媒
HCID 218864351,4-Dioxane--water (1/1)溶媒

反応条件

温度
105 °C

実験手順

A glass microwave reaction vessel was charged with 5-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine (500 mg, 0.811 mmol) and 6-fluoropyridine-2-boronic acid pinacol ester (226 mg, 1.014 mmol) in p-dioxane/H2O (4:1, 7.5 mL) followed by potassium phosphate (430 mg, 2.028 mmol) and bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II) (28.7 mg, 0.041 mmol). The reaction was stirred and heated in a Initiator microwave reactor (Personal Chemistry, Biotage AB, Inc., Uppsala, Sweden) at 105° C. for 30 min. The mixture was diluted with DCM and washed with H2O. The organic layer was dried, filtered and concentrated. The residue was purified with silica gel chromatography (eluting with 5-15% EtOAc in DCM with 1% MeOH) to give 5-(3-(6-fluoropyridin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine (418 mg, 0.714 mmol, 88%) as a yellow solid. MS (ESI, pos. ion) m/z: 378 (M+1).

後処理

  1. customA glass microwave reaction vessel
  2. washwashed with H2O
  3. customThe organic layer was dried
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was purified with silica gel chromatography (eluting with 5-15% EtOAc in DCM with 1% MeOH)

出典と根拠

ORDレコード
ord-910bbcd04d29450abd971e6f440c5f10
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09321756B2

反応ノート

読み込み中…

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