Hydrochloric Acid → ethyl (2Z)-3-{5-chloro-6-[(3R)-3-piperidinylamino]-3-pyridinyl)-2-fluoroacrylate dihydrochloride

HRID 2376064노트

반응식

HRID 2376064 반응식
[Cl:1][C:2]1[C:3]([NH:16][C@@H:17]2[CH2:22][CH2:21][CH2:20][N:19](C(OC(C)(C)C)=O)[CH2:18]2)=[N:4][CH:5]=[C:6](/[CH:8]=[C:9](\[F:15])/[C:10]([O:12][CH2:13][CH3:14])=[O:11])[CH:7]=1.[ClH:30].C(OC(C)C)(C)C>CCO.O1CCOCC1>[ClH:1].[ClH:30].[Cl:1][C:2]1[CH:7]=[C:6](/[CH:8]=[C:9](\[F:15])/[C:10]([O:12][CH2:13][CH3:14])=[O:11])[CH:5]=[N:4][C:3]=1[NH:16][C@@H:17]1[CH2:22][CH2:21][CH2:20][NH:19][CH2:18]1

참가 물질

6

반응물 3

HCID 313Hydrochloric AcidHCID 7914Diisopropyl EtherHCID 86603685tert-butyl (3R)-3-({3-chloro-5-[(1Z)-3-ethoxy-2-fluoro-3-oxo-1-propen-1-yl]-2-pyridinyl}amino)-1-piperidinecarboxylate

생성물 1

HCID 86603683ethyl (2Z)-3-{5-chloro-6-[(3R)-3-piperidinylamino]-3-pyridinyl)-2-fluoroacrylate dihydrochloride

시약·촉매·용매 2

HCID 702Ethanol용매HCID 312751,4-Dioxane용매

실험 절차

To a solution of tert-butyl (3R)-3-({3-chloro-5-[(1Z)-3-ethoxy-2-fluoro-3-oxo-1-propen-1-yl]-2-pyridinyl}amino)-1-piperidinecarboxylate (3.3 g) in EtOH (19.3 ml) was added solution of 4N HCl in dioxane (19.3 ml) at ambient temperature and the mixture was stirred at same temperature for 1.5 hr. Diisopropylether was added to the mixture and precipitate was collected by filtration to give ethyl (2Z)-3-{5-chloro-6-[(3R)-3-piperidinylamino]-3-pyridinyl)-2-fluoroacrylate dihydrochloride (2.98 g).

후처리

  1. filtrationwas collected by filtration

출처 및 근거

ORD 기록
ord-c8aac41c10bc443eb9ae3d957e552665
출처 데이터셋
uspto-grants-2008_12
특허 번호
US07465731B2

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