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Formaldehyde → HCID 178499335, 화합물

HRID 244921
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HRID 244921 반응식
[CH3:1][O:2][C:3]([C:5]1[S:6][C:7]([C:26]#[C:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[CH:8][C:9]=1[N:10]([C:17]([C@H:19]1[CH2:24][CH2:23][C@H:22]([CH3:25])[CH2:21][CH2:20]1)=[O:18])[CH:11]1[CH2:16][CH2:15][NH:14][CH2:13][CH2:12]1)=[O:4].C=O.[C:34](O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].O>ClCCCl>[CH3:1][O:2][C:3]([C:5]1[S:6][C:7]([C:26]#[C:27][C:28]([CH3:30])([CH3:29])[CH3:31])=[CH:8][C:9]=1[N:10]([C:17]([C@H:19]1[CH2:20][CH2:21][C@H:22]([CH3:25])[CH2:23][CH2:24]1)=[O:18])[CH:11]1[CH2:12][CH2:13][N:14]([CH3:34])[CH2:15][CH2:16]1)=[O:4]
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참가 물질

6

반응물 4

HCID 712FormaldehydeHCID 962WaterHCID 5049666Sodium triacetoxyborohydrideHCID 178499334HCID 178499334, 화합물

생성물 1

HCID 178499335HCID 178499335, 화합물

시약·촉매·용매 1

HCID 111,2-Dichloroethane용매

실험 절차

To a solution of the product from step V (5.340 g) in 1,2-dichloroethane (60 mL) is added formaldehyde (1.94 mL of 37% aqueous solution, 23.88 mmol), followed by sodium triacetoxyborohydride (2.403 g, 11.34 mmol) in portions over 20 min. The mixture is stirred at room temperature overnight, then water is added to the mixture, and it is extracted with CH2Cl2. Organic fraction is washed with aqueous NaHCO3 and brine, dried over Na2SO4, concentrated and purified by column chromatography on silica gel eluting with 0-10% of MeOH in CH2Cl2 to give 5-(3,3-dimethyl-but-1-ynyl)-3-[(trans-4-methyl-cyclohexanecarbonyl)-(1-methyl-piperidin-4-yl)-amino]-thiophene-2-carboxylic acid methyl ester.

후처리

  1. extractionis extracted with CH2Cl2
  2. washOrganic fraction is washed with aqueous NaHCO3 and brine
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated
  5. custompurified by column chromatography on silica gel eluting with 0-10% of MeOH in CH2Cl2

출처 및 근거

ORD 기록
ord-355273b0297242aca8fd1791a0f9f82b
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658674B2

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