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Hydrochloric Acid → 5-[2-(Pyridin-3-ylamino)-pyrimidin-4-yl]-thiophene-2-carboxylic acid

HRID 1716401
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인쇄 미리보기

반응식

HRID 1716401 반응식
C([O:3][C:4]([C:6]1[S:7][C:8]([C:11]2[CH:16]=[CH:15][N:14]=[C:13]([NH:17][C:18]3[CH:19]=[N:20][CH:21]=[CH:22][CH:23]=3)[N:12]=2)=[CH:9][CH:10]=1)=[O:5])C.[Li+].[OH-].Cl>CO.O>[N:20]1[CH:21]=[CH:22][CH:23]=[C:18]([NH:17][C:13]2[N:12]=[C:11]([C:8]3[S:7][C:6]([C:4]([OH:5])=[O:3])=[CH:10][CH:9]=3)[CH:16]=[CH:15][N:14]=2)[CH:19]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 594686225-[2-(Pyridin-3-ylamino)-pyrimidin-4-yl]-thiophene-2-carboxylic acid ethyl ester

생성물 1

HCID 594686335-[2-(Pyridin-3-ylamino)-pyrimidin-4-yl]-thiophene-2-carboxylic acid수율 72.2%

시약·촉매·용매 2

HCID 887Methanol용매
HCID 962
Water
용매

실험 절차

5-[2-(Pyridin-3-ylamino)-pyrimidin-4-yl]-thiophene-2-carboxylic acid ethyl ester (76 mg, 0.209 mmol) was saponified by treatment with 4 N LiOH (0.524 mL, 2.09 mmol) in MeOH (1.5 mL) at 40° C. for 15 h. 6 N HCl (2.09 mmol) was added and the mixture was diluted with water. The precipitate was collected by filtration, rinsed with EtOH and dried on vacuum to afford title compound (45 mg, 72%). The crude material was used in the next step.

후처리

  1. filtrationThe precipitate was collected by filtration
  2. washrinsed with EtOH
  3. customdried on vacuum

출처 및 근거

ORD 기록
ord-05c573f5071644c08849e35eab052e43
출처 데이터셋
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07803806B2

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