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Potassium Carbonate → (S)-ethyl 2-(2-(1H-benzo[d]imidazol-6-yl)-7-(4-chlorophenyl)-5-methylbenzo[d]thiazol-6-yl)-2-(tert-butoxy)acetate

HRID 879521
ノート
印刷プレビュー

反応式

HRID 879521 の反応式
Br[C:2]1[S:3][C:4]2[C:10]([C:11]3[CH:16]=[CH:15][C:14]([Cl:17])=[CH:13][CH:12]=3)=[C:9]([C@H:18]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])[C:19]([O:21][CH2:22][CH3:23])=[O:20])[C:8]([CH3:29])=[CH:7][C:5]=2[N:6]=1.[NH:30]1[C:34]2[CH:35]=[C:36](B(O)O)[CH:37]=[CH:38][C:33]=2[N:32]=[CH:31]1.C([O-])([O-])=O.[K+].[K+]>CCOC(C)=O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[NH:30]1[C:34]2[CH:35]=[C:36]([C:2]3[S:3][C:4]4[C:10]([C:11]5[CH:16]=[CH:15][C:14]([Cl:17])=[CH:13][CH:12]=5)=[C:9]([C@H:18]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])[C:19]([O:21][CH2:22][CH3:23])=[O:20])[C:8]([CH3:29])=[CH:7][C:5]=4[N:6]=3)[CH:37]=[CH:38][C:33]=2[N:32]=[CH:31]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

6

反応物 3

HCID 11430Potassium CarbonateHCID 17981796(1H-Benzo[d]imidazol-5-yl)boronic acidHCID 86700141(S)-ethyl 2-(2-bromo-7-(4-chlorophenyl)-5-methylbenzo[d]thiazol-6-yl)-2-tert-butoxyacetate

生成物 1

HCID 86700341(S)-ethyl 2-(2-(1H-benzo[d]imidazol-6-yl)-7-(4-chlorophenyl)-5-methylbenzo[d]thiazol-6-yl)-2-(tert-butoxy)acetate

試薬・触媒・溶媒 2

HCID 178418397
HCID 178418397、化合物
触媒
HCID 8857Ethyl Acetate溶媒

反応条件

温度
100 °C

実験手順

A microwave vial was charged with (S)-ethyl 2-(2-bromo-7-(4-chlorophenyl)-5-methylbenzo[d]thiazol-6-yl)-2-tert-butoxyacetate (78 mg, 0.16 mmol), (1H-benzo[d]imidazol-6-yl)boronic acid (44 mg, 0.27 mmol), then Pd(PPh3)4 (22 mg, 0.02 mmol). The vial was flushed with argon, diluted with dioxane (1.5 mL) and to this was added 2M aqueous K2CO3 (0.25 mL, 0.5 mmol). The vial was sealed, heated to 100° C. for 2 hours, and then allowed to cool to room temperature. The mixture was diluted with EtOAc, dried over Na2SO4, filtered, and concentrated in vacuo. The crude residue was purified by silica gel column chromatography (0-20% MeOH/CH2Cl2 gradient) to afford the desired product. LCMS-ESI+: calc'd for C29H29ClN3O3S: 534.2 (M+H+); Found: 534.3 (M+H+).

後処理

  1. customThe vial was flushed with argon
  2. additiondiluted with dioxane (1.5 mL)
  3. customThe vial was sealed
  4. temperatureto cool to room temperature
  5. dry with materialdried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe crude residue was purified by silica gel column chromatography (0-20% MeOH/CH2Cl2 gradient)

出典と根拠

ORDレコード
ord-0588e08529384f46801b56d28bcff5e2
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反応条件実験手順後処理出典と根拠反応ノート