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Hydrochloric Acid → 1-[4-Hydroxy-1-(4-pyridyl)piperidin-4-ylmethy]-2-piperazinone Hydrochloride

HRID 2186135
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HRID 2186135 반응식
C(OC([N:11]1[CH:16]=[CH:15][N:14]([CH2:17][C:18]2([OH:30])[CH2:23][CH2:22][N:21]([C:24]3[CH:29]=[CH:28][N:27]=[CH:26][CH:25]=3)[CH2:20][CH2:19]2)[C:13](=[O:31])[CH2:12]1)=O)C1C=CC=CC=1.[ClH:32]>CO.C(OCC)(=O)C.[Pd]>[ClH:32].[OH:30][C:18]1([CH2:17][N:14]2[CH2:15][CH2:16][NH:11][CH2:12][C:13]2=[O:31])[CH2:19][CH2:20][N:21]([C:24]2[CH:25]=[CH:26][N:27]=[CH:28][CH:29]=2)[CH2:22][CH2:23]1
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참가 물질

6

반응물 2

HCID 313Hydrochloric AcidHCID 234475964-Benzyloxycarbonyl-1-[4-hydroxy-1-(4-pyridyl)piperidin-4-ylmethyl]-2-oxo-1,2,3,4-tetrahydropyrazine

생성물 1

HCID 234473171-[4-Hydroxy-1-(4-pyridyl)piperidin-4-ylmethy]-2-piperazinone Hydrochloride

시약·촉매·용매 3

HCID 23938Palladium촉매HCID 887Methanol용매
HCID 8857
Ethyl Acetate
용매

실험 절차

To a solution of 4-benzyloxycarbonyl-1-[4-hydroxy-1-(4-pyridyl)piperidin-4-ylmethyl]-2-oxo-1,2,3,4-tetrahydropyrazine (6.93 g) in methanol (100 ml) were added 4N hydrochloric acid in ethyl acetate (4 ml) and 10% palladium on carbon (2.0 g), and the mixture was stirred, under hydrogen atmosphere, at room temperature for 15 hours. The catalyst was removed by filtration, and the filtrate was concentrated and dried under reduced pressure to give colorless syrup of the title compound (5.39 g).

후처리

  1. customThe catalyst was removed by filtration
  2. concentrationthe filtrate was concentrated
  3. customdried under reduced pressure

출처 및 근거

ORD 기록
ord-abb73e585a7b489f8c9abf907dce7e4d
출처 데이터셋
uspto-grants-2002_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06403595B1

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