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(2-Methoxyethyl)(methyl)amine → {3-Chloro-2-fluoro-5-[(2-methoxy-ethyl)-methyl-amino]-benzyl}-carbamic acid tert-butyl ester

HRID 1527476
ノート
印刷プレビュー

反応式

HRID 1527476 の反応式
[C:1]([O:5][C:6](=[O:18])[NH:7][CH2:8][C:9]1[CH:14]=[C:13](Br)[CH:12]=[C:11]([Cl:16])[C:10]=1[F:17])([CH3:4])([CH3:3])[CH3:2].[CH3:19][O:20][CH2:21][CH2:22][NH:23][CH3:24].CC(C)([O-])C.[Na+]>C1(C)C=CC=CC=1>[C:1]([O:5][C:6](=[O:18])[NH:7][CH2:8][C:9]1[CH:14]=[C:13]([N:23]([CH2:22][CH2:21][O:20][CH3:19])[CH3:24])[CH:12]=[C:11]([Cl:16])[C:10]=1[F:17])([CH3:4])([CH3:3])[CH3:2]
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

5

反応物 3

HCID 300977(2-Methoxyethyl)(methyl)amineHCID 23676156Sodium t-butoxideHCID 68283623Carbamic acid, N-[(5-bromo-3-chloro-2-fluorophenyl)methyl]-, 1,1-dimethylethyl ester

生成物 1

HCID 68284073{3-Chloro-2-fluoro-5-[(2-methoxy-ethyl)-methyl-amino]-benzyl}-carbamic acid tert-butyl ester

試薬・触媒・溶媒 1

HCID 1140Toluene溶媒

反応条件

温度
140 °C

実験手順

A suspension of (5-bromo-3-chloro-2-fluoro-benzyl)-carbamic acid tert-butyl ester (250 mg, 0.7 mmol), N-methoxyethyl-methylamine (99 mg, 1.1 mmol), sodium tert-butoxide (142 mg, 1.5 mmol) and di-μ-bromobis(tri-tert-butylphosphino)dipalladium (I) [CAS 185812-86-6] (29 mg, 0.04 mmol) in toluene (5 mL) was sealed in a microwave vial and heated for 30 min at 140° C. (Emrys Optimizer; personal chemistry). The reaction mixture was quenched by addition of saturated aqueous NaHCO3, extracted with EtOAc, dried (Na2SO4) and evaporated in vacuo. The crude product was purified by RP-preparative HPLC (Waters Sunfire, C18-ODB, 5 μm, 30×100 mm, 5-100% CH3CN/H2O/20 min, 100% CH3CN/2 min, CH3CN and H2O containing 0.1% TFA, flow: 40 mL/min) to give the title compound after lyophilization. MS (LC/MS): 347.0 [M]+. tR (HPLC conditions c): 5.23 min.

後処理

  1. customwas sealed in a microwave vial
  2. customThe reaction mixture was quenched by addition of saturated aqueous NaHCO3
  3. extractionextracted with EtOAc
  4. dry with materialdried (Na2SO4)
  5. customevaporated in vacuo
  6. customThe crude product was purified by RP-preparative HPLC (Waters Sunfire, C18-ODB, 5 μm, 30×100 mm, 5-100% CH3CN/H2O/20 min, 100% CH3CN/2 min, CH3CN and H2O containing 0.1% TFA, flow: 40 mL/min)

出典と根拠

ORDレコード
ord-066b4a954f104ba1b24a8e6c4782f5a5
出典データセット
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09085555B2

反応ノート

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