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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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4-{5-[(4-Chloro-benzo[b]thiophene-2-carbonyl)-amino]-pyridin-2-yl}-piperazine-1-carboxylic acid tert-butyl ester → 4-Chloro-benzo[b]thiophene-2-carboxylic acid (6-piperazin-1-yl-pyridin-3-yl)-amide

HRID 1645335
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HRID 1645335 반응식
C(OC([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[CH:19]=[CH:18][C:17]([NH:20][C:21]([C:23]3[S:27][C:26]4[CH:28]=[CH:29][CH:30]=[C:31]([Cl:32])[C:25]=4[CH:24]=3)=[O:22])=[CH:16][N:15]=2)[CH2:10][CH2:9]1)=O)(C)(C)C>ClCCl.C(O)(C(F)(F)F)=O.CCOC(C)=O>[N:11]1([C:14]2[N:15]=[CH:16][C:17]([NH:20][C:21]([C:23]3[S:27][C:26]4[CH:28]=[CH:29][CH:30]=[C:31]([Cl:32])[C:25]=4[CH:24]=3)=[O:22])=[CH:18][CH:19]=2)[CH2:12][CH2:13][NH:8][CH2:9][CH2:10]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 1

HCID 462239524-{5-[(4-Chloro-benzo[b]thiophene-2-carbonyl)-amino]-pyridin-2-yl}-piperazine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 593651784-Chloro-benzo[b]thiophene-2-carboxylic acid (6-piperazin-1-yl-pyridin-3-yl)-amide수율 85%

시약·촉매·용매 3

HCID 6344Dichloromethane용매HCID 6422Trifluoroacetic acid용매HCID 8857
Ethyl Acetate
용매

실험 절차

A mixture of 4-{5-[(4-chloro-benzo[b]thiophene-2-carbonyl)-amino]-pyridin-2-yl}-piperazine-1-carboxylic acid tert-butyl ester (75 mg, 0.16 mmol) in 15 mL of dichloromethane and 5 mL of TFA was stirred at room temperature for 2 hr. The reaction mixture was taken up in 100 mL of EtOAc and washed with 100 mL of 1N NaOH, brine and dried over anhydrous sodium sulfate. The solvent was removed and the residue was triturated with diethyl ether and hexanes (1:1 ratio), followed by filtration, to afford the product 4-chloro-benzo[b]thiophene-2-carboxylic acid (6-piperazin-1-yl-pyridin-3-yl)-amide, (50 mg, 85% yield) as an off white solid. LCMS for C18H17ClN4OS calcd. (m/e) 372, observed 373 (M+H).

후처리

  1. washwashed with 100 mL of 1N NaOH, brine
  2. dry with materialdried over anhydrous sodium sulfate
  3. customThe solvent was removed
  4. customthe residue was triturated with diethyl ether and hexanes (1:1 ratio)
  5. filtrationfollowed by filtration

출처 및 근거

ORD 기록
ord-6e8f4239c5ce4fb5aeffd5cd22090539
출처 데이터셋
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08124766B2

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