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Tert-Butylamine → Tert-butyl-2-[4-(tert-butylcarbamoyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate

HRID 1777300
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HRID 1777300 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:24][CH2:23][C:10]2([CH2:13][CH:12]([N:14]3[CH2:19][CH2:18][CH:17]([C:20](O)=[O:21])[CH2:16][CH2:15]3)[CH2:11]2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[C:25]([NH2:29])([CH3:28])([CH3:27])[CH3:26].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:24][CH2:23][C:10]2([CH2:13][CH:12]([N:14]3[CH2:15][CH2:16][CH:17]([C:20](=[O:21])[NH:29][C:25]([CH3:28])([CH3:27])[CH3:26])[CH2:18][CH2:19]3)[CH2:11]2)[CH2:9]1)=[O:7])([CH3:2])([CH3:4])[CH3:3]
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참가 물질

6

반응물 4

HCID 6385Tert-ButylamineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 1183062081-[6-(Tert-butoxycarbonyl)-6-azaspiro[3.4]oct-2-yl]piperidine-4-carboxylic acid

생성물 1

HCID 90089432Tert-butyl-2-[4-(tert-butylcarbamoyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate
수율 60.5%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

1-[6-(tert-Butoxycarbonyl)-6-azaspiro[3.4]oct-2-yl]piperidine-4-carboxylic acid was dissolved in DMF (2 mL) and t-butylamine (0.087 g, 1.20 mmol), HATU (0.227 g, 0.60 mmol) and DIPEA (0.193 g, 1.50 mmol) were added. The reaction mixture was stirred at rt overnight under nitrogen. The solvents were removed in vacuo, and the residue was partitioned between DCM and sat. NaHCO3 sol., organic layer washed with sat. NaCl sol. and dried over MgSO4. The solvents were removed in vacuo, and the residue was purified by column chromatography (normal phase, [Biotage SNAP cartridge KP-sil 10 g, 40-63 μm, 60 A, 12 mL per min, gradient 0% to 10% MeOH in DCM]) to give tert-butyl-2-[4-(tert-butylcarbamoyl)piperidin-1-yl]-6-azaspiro[3.4]octane-6-carboxylate (0.071 g, 60.5%) as a yellow oil.

후처리

  1. customThe solvents were removed in vacuo
  2. customthe residue was partitioned between DCM and sat. NaHCO3 sol., organic layer
  3. washwashed with sat. NaCl sol.
  4. dry with materialdried over MgSO4
  5. customThe solvents were removed in vacuo
  6. customthe residue was purified by column chromatography (normal phase, [Biotage SNAP cartridge KP-sil 10 g, 40-63 μm, 60 A, 12 mL per min, gradient 0% to 10% MeOH in DCM])

출처 및 근거

ORD 기록
ord-37ebfde555b740fcb7112d61b9a0f5c5
출처 데이터셋
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09266857B2

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