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Hydrochloric Acid → (R)-N-(4,5-difluoro-6-((2-fluoro-4-iodophenyl)amino)benzofuran-7-yl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide

HRID 1261404
ノート
印刷プレビュー

反応式

HRID 1261404 の反応式
C([O:8][C@@H:9]([CH2:38][O:39]CC1C=CC=CC=1)[CH2:10][C:11]1([S:14]([NH:17][C:18]2[C:26]3[O:25][CH:24]=[CH:23][C:22]=3[C:21]([F:27])=[C:20]([F:28])[C:19]=2[NH:29][C:30]2[CH:35]=[CH:34][C:33]([I:36])=[CH:32][C:31]=2[F:37])(=[O:16])=[O:15])[CH2:13][CH2:12]1)C1C=CC=CC=1.B(Cl)(Cl)Cl.Cl.CCCCCCC>C(Cl)Cl.C(OCC(C)C)(=O)C>[F:27][C:21]1[C:22]2[CH:23]=[CH:24][O:25][C:26]=2[C:18]([NH:17][S:14]([C:11]2([CH2:10][C@@H:9]([OH:8])[CH2:38][OH:39])[CH2:12][CH2:13]2)(=[O:15])=[O:16])=[C:19]([NH:29][C:30]2[CH:35]=[CH:34][C:33]([I:36])=[CH:32][C:31]=2[F:37])[C:20]=1[F:28]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 313Hydrochloric AcidHCID 8900HeptaneHCID 25135Boron TrichlorideHCID 71087258(R)-1-(2,3-bis(benzyloxy)propyl)-N-(4,5-difluoro-6-((2-fluoro-4-iodophenyl)amino)benzofuran-7-yl)cyclopropane-1-sulfonamide

生成物 1

HCID 71087417(R)-N-(4,5-difluoro-6-((2-fluoro-4-iodophenyl)amino)benzofuran-7-yl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide収率 65.5%

試薬・触媒・溶媒 2

HCID 6344Dichloromethane溶媒2 回HCID 8038Isobutyl Acetate溶媒

実験手順

To a solution of (R)-1-(2,3-bis(benzyloxy)propyl)-N-(4,5-difluoro-6-((2-fluoro-4-iodophenyl)amino)benzofuran-7-yl)cyclopropane-1-sulfonamide (140 g, 183.6 mmol) in DCM (700 mL) was added 1M BCl3 solution in DCM (1.8 L, 1.84 mol) at −65-70° C. The mixture was stirred at −65˜−70° C. for 30 minutes until HPLC analysis showed the reaction had gone to completion. The cold solution was added to 1N HCl solution (1.8 L) at below 15° C., stirred for 15 mins and separated. The DCM layer was washed with water (2 L), the brine (1.5 L). DCM layer was concentrated to ˜250 mL and filtered to give white solid. The solid was dissolved in isobutyl acetate (240 mL) and heptane (500 mL) was added. The suspension was stirred overnight, filtered and dried to give 70 g of (R)—N-(4,5-difluoro-6-((2-fluoro-4-iodophenyl)amino)benzofuran-7-yl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide with 98.4% purity (65.5% yield, ee>99%).

後処理

  1. stirringstirred for 15 mins
  2. customseparated
  3. washThe DCM layer was washed with water (2 L)
  4. concentrationDCM layer was concentrated to ˜250 mL
  5. filtrationfiltered
  6. customto give white solid
  7. stirringThe suspension was stirred overnight
  8. filtrationfiltered
  9. customdried

出典と根拠

ORDレコード
ord-dffce4a26dc84c9f8d9b13a03152581b
出典データセット
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08470878B2

反応ノート

読み込み中…

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