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Tert-butyl (1-benzylpiperidin-4-yl)(2,3-dihydro-(1,4)dioxino(2,3-c)pyridin-7-yl methyl)carbamate → Tert-butyl (2,3-dihydro(1,4)dioxino(2,3-c)pyridin-7-ylmethyl)(piperidin-4-yl)carbamate monohydrate

HRID 1804728
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인쇄 미리보기

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HRID 1804728 반응식
C([N:8]1[CH2:13][CH2:12][CH:11]([N:14]([CH2:22][C:23]2[N:28]=[CH:27][C:26]3[O:29][CH2:30][CH2:31][O:32][C:25]=3[CH:24]=2)[C:15](=[O:21])[O:16][C:17]([CH3:20])([CH3:19])[CH3:18])[CH2:10][CH2:9]1)C1C=CC=CC=1>CO.[C].[Pd]>[OH2:16].[O:32]1[C:25]2[CH:24]=[C:23]([CH2:22][N:14]([CH:11]3[CH2:12][CH2:13][NH:8][CH2:9][CH2:10]3)[C:15](=[O:21])[O:16][C:17]([CH3:20])([CH3:19])[CH3:18])[N:28]=[CH:27][C:26]=2[O:29][CH2:30][CH2:31]1
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참가 물질

4

반응물 1

HCID 70846775Tert-butyl (1-benzylpiperidin-4-yl)(2,3-dihydro-(1,4)dioxino(2,3-c)pyridin-7-yl methyl)carbamate

생성물 1

HCID 86646182Tert-butyl (2,3-dihydro(1,4)dioxino(2,3-c)pyridin-7-ylmethyl)(piperidin-4-yl)carbamate monohydrate수율 121.7%

시약·촉매·용매 2

HCID 178418390HCID 178418390, 화합물촉매HCID 887Methanol용매

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온도
60 °C

실험 절차

To a solution of 5.9 g of tert-butyl (1-benzylpiperidin-4-yl)(2,3-dihydro-(1,4)dioxino(2,3-c)pyridin-7-yl methyl)carbamate in 30 mL of methanol, 1.2 g of 5% palladium carbon was added, and the mixture was stirred for 7 hours at 60° C. under a hydrogen atmosphere. The mixture was subjected to celite filtration, and 40 mL of ethyl acetate and 30 mL of a 0.5 mol/L sodium hydroxide aqueous solution were added to the filtrate. The organic layer was washed with saturated sodium chloride solution, dried using sodium sulfate and the solvent was evaporated under reduced pressure. The obtained residue was recrystallized from 5 mL of ethyl acetate-15 mL of heptane to give 3.0 g of tert-butyl ((2,3-dihydro-(1,4)dioxino(2,3-c)pyridin-7-yl)methyl)(piperidin-4-yl)carbamate monohydrate as a white powder.

후처리

  1. filtrationThe mixture was subjected to celite filtration, and 40 mL of ethyl acetate and 30 mL of a 0.5 mol/L sodium hydroxide aqueous solution
  2. additionwere added to the filtrate
  3. washThe organic layer was washed with saturated sodium chloride solution
  4. customdried
  5. customthe solvent was evaporated under reduced pressure
  6. customThe obtained residue was recrystallized from 5 mL of ethyl acetate-15 mL of heptane

출처 및 근거

ORD 기록
ord-f19f8f1da26f4f4480677d38630737bd
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08354426B2

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