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Potassium Carbonate → (+,-) Trans Propane-2-sulfonic acid [2-(3'-methanesulfonylamino-biphenyl-4-yl)-cyclopentyl]-amide

HRID 989490
ノート
印刷プレビュー

反応式

HRID 989490 の反応式
I[C:2]1[CH:7]=[CH:6][C:5]([C@@H:8]2[CH2:12][CH2:11][CH2:10][C@H:9]2[NH:13][S:14]([CH:17]([CH3:19])[CH3:18])(=[O:16])=[O:15])=[CH:4][CH:3]=1.CC1(C)C(C)(C)OB([C:28]2[CH:29]=[C:30]([NH:34][S:35]([CH3:38])(=[O:37])=[O:36])[CH:31]=[CH:32][CH:33]=2)O1.C(=O)([O-])[O-].[K+].[K+]>C(O)CC.O.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH3:38][S:35]([NH:34][C:30]1[CH:31]=[C:32]([C:2]2[CH:7]=[CH:6][C:5]([C@@H:8]3[CH2:12][CH2:11][CH2:10][C@H:9]3[NH:13][S:14]([CH:17]([CH3:19])[CH3:18])(=[O:16])=[O:15])=[CH:4][CH:3]=2)[CH:33]=[CH:28][CH:29]=1)(=[O:37])=[O:36]
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 11430Potassium CarbonateHCID 11784171(+,-) Trans Propane-2-sulfonic Acid [2-(4-iodo-phenyl)-cyclopentyl]-amideHCID 162177153-(Methanesulfonylamino)phenylboronic acid pinacol ester

生成物 1

HCID 12144741(+,-) Trans Propane-2-sulfonic acid [2-(3'-methanesulfonylamino-biphenyl-4-yl)-cyclopentyl]-amide収率 86%

試薬・触媒・溶媒 3

HCID 167845
palladium(II) acetate
触媒
HCID 962Water溶媒
HCID 10311-Propanol溶媒

反応条件

温度
90 °C

実験手順

(+,−) Trans propane-2-sulfonic acid [2-(4-iodo-phenyl)-cyclopentyl]-amide (235 mg, 0.60 mmol, prepared in example 2) and N-[3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-methanesulfonamide (213 mg, 0.72 mmol) were dissolved in 25 mL of n-propanol and 25 mg (0.18 mmol)of potassium carbonate in 5 mL of water added. A catalytic amount of palladium acetate is added (7 mg) and the mixture refluxed at 90° C. for 4 hours. The reaction is worked up as in preparation 6. Purification by silica chromatography using a Chromatotron® was achieved eluting with 90:10 methylene chloride:ethyl acetate to afford 225 mg (86%) of the title compound as a white solid. The NMR was consistent with the assigned structure.

後処理

  1. customThe reaction is worked up as in preparation 6
  2. customPurification by silica chromatography
  3. washwas achieved eluting with 90:10 methylene chloride

出典と根拠

ORDレコード
ord-463c6e10e8a949aba9c0c6634e473c79
出典データセット
uspto-grants-2003_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06639107B1

反応ノート

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