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Methanol → (4s)-6-(4-Tert-butylbenzyl)-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethylchroman-4-ol

HRID 1516736
ノート
印刷プレビュー

反応式

HRID 1516736 の反応式
N[C@@H]1C2C(=CC=CC=2)C[C@@H]1O.[C:12]([C:16]1[CH:21]=[CH:20][C:19]([CH:22](F)[C:23]2[C:24]([C:39]3[CH:44]=[CH:43][C:42]([F:45])=[CH:41][CH:40]=3)=[C:25]3[C:30](=[CH:31][C:32]=2[CH:33]([CH3:35])[CH3:34])[O:29][C:28]([CH3:37])([CH3:36])[CH2:27][C:26]3=[O:38])=[CH:18][CH:17]=1)([CH3:15])([CH3:14])[CH3:13].CO>O1CCCC1.C(OCC)(=O)C>[C:12]([C:16]1[CH:17]=[CH:18][C:19]([CH2:22][C:23]2[C:24]([C:39]3[CH:40]=[CH:41][C:42]([F:45])=[CH:43][CH:44]=3)=[C:25]3[C:30](=[CH:31][C:32]=2[CH:33]([CH3:35])[CH3:34])[O:29][C:28]([CH3:36])([CH3:37])[CH2:27][C@@H:26]3[OH:38])=[CH:20][CH:21]=1)([CH3:14])([CH3:15])[CH3:13]
参加物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 887MethanolHCID 2725045(1R,2S)-(+)-cis-1-Amino-2-indanolHCID 58003037Rac-6-[(4-tert-butylphenyl)(fluoro)methyl]-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-2,3-dihydro-4h-chromen-4-one

生成物 1

HCID 58002952(4s)-6-(4-Tert-butylbenzyl)-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethylchroman-4-ol

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran
溶媒
2 回
HCID 8857Ethyl Acetate溶媒

実験手順

150 μl (840 μmol) of borane/N,N-diethylaniline complex are added slowly to a solution of 4.70 mg (30 μmol) of (1R,2S)-1-aminoindan-2-ol in 5 ml of tetrahydrofuran, and the mixture is stirred for 30 min. A solution of 100 mg (210 μmol) of rac-6-[(4-tert-butylphenyl)(fluoro)methyl]-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-2,3-dihydro-4H-chromen-4-one (Example 28A) in 5 ml of tetrahydrofuran is then slowly added dropwise. After 3 h of stirring at room temperature, methanol is added and the solvent is reduced under reduced pressure. The residue is taken up in ethyl acetate and washed in each case twice with 1 M hydrochloric acid and saturated sodium bicarbonate solution and once with saturated sodium chloride solution. The organic phase is dried over sodium sulfate and then concentrated under reduced pressure. Purification of the residue by column chromatography on silica gel (mobile phase: gradient cyclohexane→cyclohexane/ethyl acetate 10:1→5:1) gives the target product.

後処理

  1. stirringAfter 3 h of stirring at room temperature
  2. washwashed in each case twice with 1 M hydrochloric acid and saturated sodium bicarbonate solution and once with saturated sodium chloride solution
  3. dry with materialThe organic phase is dried over sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customPurification of the residue by column chromatography on silica gel (mobile phase: gradient cyclohexane→cyclohexane/ethyl acetate 10:1→5:1)
  6. customgives the target product

出典と根拠

ORDレコード
ord-3d03d7c73640452b9d3d2fe7c7798b5d
出典データセット
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08227511B2

反応ノート

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