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Ethyl Acetate → 5-Methyl-5-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-5,11-dihydro-chromeno[4,3-c]chromene-2,8-diol

HRID 2214296
ノート
印刷プレビュー

反応式

HRID 2214296 の反応式
C([Si](C)(C)[O:6][C:7]1[CH:8]=[CH:9][C:10]2[C:11]3[C:24]([C:26]4[CH:39]=[CH:38][C:29]([O:30][CH2:31][CH2:32][N:33]5[CH2:37][CH2:36][CH2:35][CH2:34]5)=[CH:28][CH:27]=4)([CH3:25])[O:23][C:22]4[CH:21]=[C:20]([O:40][Si](C(C)(C)C)(C)C)[CH:19]=[CH:18][C:17]=4[C:12]=3[CH2:13][O:14][C:15]=2[CH:16]=1)(C)(C)C.[F-].C([N+](CCCC)(CCCC)CCCC)CCC.[NH4+].[Cl-].C(OCC)(=O)C>C1COCC1>[CH3:25][C:24]1([C:26]2[CH:39]=[CH:38][C:29]([O:30][CH2:31][CH2:32][N:33]3[CH2:37][CH2:36][CH2:35][CH2:34]3)=[CH:28][CH:27]=2)[C:11]2[C:10]3[CH:9]=[CH:8][C:7]([OH:6])=[CH:16][C:15]=3[O:14][CH2:13][C:12]=2[C:17]2[CH:18]=[CH:19][C:20]([OH:40])=[CH:21][C:22]=2[O:23]1
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 4

HCID 8857Ethyl AcetateHCID 25517Ammonium ChlorideHCID 2724141Tetrabutylammonium FluorideHCID 219592841-(2-{4-[2,8-Bis-(tert-butyl-dimethyl-silyloxy)-5-methyl-5,11-dihydro-chromeno[4,3-c]chromen-5-yl]-phenoxy}-ethyl)-pyrrolidine

生成物 1

HCID 219591455-Methyl-5-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-5,11-dihydro-chromeno[4,3-c]chromene-2,8-diol

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of 1-(2-{4-[2,8-bis-(tert-butyl-dimethyl-silyloxy)-5-methyl-5,11-dihydro-chromeno[4,3-c]chromen-5-yl]-phenoxy}-ethyl)-pyrrolidine (84.5 mg, 0.12 mmol) in THF (7 mL) was added tetrabutylammonium fluoride (1M in THF, 241.4 μL, 0.24 mmol). The mixture was stirred at room temperature for 40 min. Saturated NH4Cl was added followed by addition of ethyl acetate. The resulting layers were separated, the organic layer was washed with brine, and dried over MgSO4. The solvent was evaporated and the residue dried under vacuum for 2 h at room temperature to yield the title compound which was carried on to the next step without further purification.

後処理

  1. customThe resulting layers were separated
  2. washthe organic layer was washed with brine
  3. dry with materialdried over MgSO4
  4. customThe solvent was evaporated
  5. customthe residue dried under vacuum for 2 h at room temperature

出典と根拠

ORDレコード
ord-59ebf7e8cfb041c08b4f3e0e357c4140
出典データセット
uspto-grants-2006_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07105679B2

反応ノート

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