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Hydrochloric Acid → 4-[3-(5-Methyl-pyrazin-2-yl)-ureido]-3-(pyridin-3-ylmethoxy)-benzoic acid

HRID 1830743
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HRID 1830743 반응식
C[O:2][C:3](=[O:29])[C:4]1[CH:9]=[CH:8][C:7]([NH:10][C:11]([NH:13][C:14]2[CH:19]=[N:18][C:17]([CH3:20])=[CH:16][N:15]=2)=[O:12])=[C:6]([O:21][CH2:22][C:23]2[CH:24]=[N:25][CH:26]=[CH:27][CH:28]=2)[CH:5]=1.[OH-].[Li+].Cl>CO>[CH3:20][C:17]1[N:18]=[CH:19][C:14]([NH:13][C:11](=[O:12])[NH:10][C:7]2[CH:8]=[CH:9][C:4]([C:3]([OH:29])=[O:2])=[CH:5][C:6]=2[O:21][CH2:22][C:23]2[CH:24]=[N:25][CH:26]=[CH:27][CH:28]=2)=[N:15][CH:16]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 672560024-[3-(5-Methyl-pyrazin-2-yl)-ureido]-3-(pyridin-3-ylmethoxy)-benzoic acid methyl ester

생성물 1

HCID 220463194-[3-(5-Methyl-pyrazin-2-yl)-ureido]-3-(pyridin-3-ylmethoxy)-benzoic acid수율 90%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

To a stirred solution of 4-[3-(5-methyl-pyrazin-2-yl)-ureido]-3-(pyridin-3-ylmethoxy)-benzoic acid methyl ester (1.3 gm; 3.3 mmol) in methanol (25 mL) was added lithium hydroxide (5 mL of a 2M aqueous solution). The reaction was heated to 60 degrees and stirred for 12 hours. The reaction was allowed to cool to room temperature and the pH was adjusted to 5.5 with 1N hydrochloric acid. A precipitate formed which was filtered and dried under reduced pressure to yield the desired product as a tan solid (90% yield). 1H-NMR (400 MHz, d6-DMSO) δ10.29 (s, 1H), 8.79 (s, 1H), 8.68 (d, 1H, 8.59 (br s, 1H), 8.48 (d, 1H, 7.70 (s, 1H), 7.62 (d, 1H), 7.51 (m, 1H), 5.32 (s, 2H), 2.32 (s, 3H).

후처리

  1. temperatureThe reaction was heated to 60 degrees
  2. customA precipitate formed which
  3. filtrationwas filtered
  4. customdried under reduced pressure

출처 및 근거

ORD 기록
ord-995b968d456d4e64b4c3faaaa0988333
출처 데이터셋
uspto-grants-2006_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07067506B2

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