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2-Dicyclohexylphosphino-2',6'-dimethoxybiphenyl → tert-Butyl 3-(4-(2-(4-chloro-5-cyclobutyl-2-methoxyphenylamino)acetyl)piperazin-1-yl)azetidine-1-carboxylate

HRID 588855
ノート
印刷プレビュー

反応式

HRID 588855 の反応式
[Cl:1][C:2]1[C:7](I)=[CH:6][C:5]([NH:9][CH2:10][C:11]([N:13]2[CH2:18][CH2:17][N:16]([CH:19]3[CH2:22][N:21]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:20]3)[CH2:15][CH2:14]2)=[O:12])=[C:4]([O:30][CH3:31])[CH:3]=1.[Br-].[CH:33]1([Zn+])[CH2:36][CH2:35][CH2:34]1.COC1C=CC=C(OC)C=1C1C=CC=CC=1P(C1CCCCC1)C1CCCCC1>C1COCC1.CC([O-])=O.CC([O-])=O.[Pd+2]>[Cl:1][C:2]1[C:7]([CH:33]2[CH2:36][CH2:35][CH2:34]2)=[CH:6][C:5]([NH:9][CH2:10][C:11]([N:13]2[CH2:18][CH2:17][N:16]([CH:19]3[CH2:22][N:21]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:20]3)[CH2:15][CH2:14]2)=[O:12])=[C:4]([O:30][CH3:31])[CH:3]=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 112698722-Dicyclohexylphosphino-2',6'-dimethoxybiphenylHCID 90455712tert-Butyl 3-(4-(2-(4-Chloro-5-iodo-2-methoxyphenylamino)acetyl)piperazin-1-yl)azetidine-1-carboxylateHCID 178419766HCID 178419766、化合物

生成物 1

HCID 117610600tert-Butyl 3-(4-(2-(4-chloro-5-cyclobutyl-2-methoxyphenylamino)acetyl)piperazin-1-yl)azetidine-1-carboxylate収率 98%

試薬・触媒・溶媒 2

HCID 167845
palladium(II) acetate
触媒
HCID 8028Tetrahydrofuran溶媒

反応条件

温度
65 °C

実験手順

A mixture of tert-butyl 3-(4-(2-(4-chloro-5-iodo-2-methoxyphenylamino)acetyl)piperazin-1-yl)azetidine-1-carboxylate (697 mg, 1.24 mmol), cyclobutylzinc bromide (4.46 mL, 2.23 mmol, 0.5 M in THF), Pd(OAc)2 (56 mg, 0.248 mmol), and S-Phos (102 mg, 0.248 mmol) in THF (15 mL) was stirred at 65° C. under argon for 16 h. The mixture was allowed to cool to RT, quenched with aqueous NH4Cl solution and then extracted with ethyl acetate. The organic layer was washed with brine, dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel (methanol/dichloromethane=1:30) to afford the desired product (596 mg, 98% yield) as a brown oil. ESI-MS m/z: 493.5[M+H]+.

後処理

  1. temperatureto cool to RT
  2. customquenched with aqueous NH4Cl solution
  3. extractionextracted with ethyl acetate
  4. washThe organic layer was washed with brine
  5. dry with materialdried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by flash column chromatography on silica gel (methanol/dichloromethane=1:30)

出典と根拠

ORDレコード
ord-ee893b78e48f4b90820324b5460244c4
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09227978B2

反応ノート

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