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Hydrochloric Acid → 2-[2-[[3-[(5-Methyl-2-phenyl-4-thiazolyl)methoxy]-5-isoxazolyl]methoxy]phenyl]acetic acid

HRID 1294334
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HRID 1294334 반응식
[CH3:1][C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[N:4][C:3]=1[CH2:13][O:14][C:15]1[CH:19]=[C:18]([CH2:20][O:21][C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=2[CH2:28][C:29]([O:31]C)=[O:30])[O:17][N:16]=1.O1CCCC1.[OH-].[Na+].Cl>O.CO>[CH3:1][C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[N:4][C:3]=1[CH2:13][O:14][C:15]1[CH:19]=[C:18]([CH2:20][O:21][C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=2[CH2:28][C:29]([OH:31])=[O:30])[O:17][N:16]=1
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참가 물질

7

반응물 4

HCID 313Hydrochloric AcidHCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 68885048Methyl 2-[2-[[3-[(5-methyl-2-phenyl-4-thiazolyl)methoxy]-5-isoxazolyl]methoxy]phenyl]acetate

생성물 1

HCID 688874562-[2-[[3-[(5-Methyl-2-phenyl-4-thiazolyl)methoxy]-5-isoxazolyl]methoxy]phenyl]acetic acid수율 93.8%

시약·촉매·용매 2

HCID 887Methanol용매
HCID 962Water용매

반응 조건

온도
50 °C

실험 절차

To a mixture of methyl 2-[2-[[3-[(5-methyl-2-phenyl-4-thiazolyl)methoxy]-5-isoxazolyl]methoxy]phenyl]acetate (0.44 g), tetrahydrofuran (3 mL) and methanol (3 mL) was added a 1N aqueous sodium hydroxide solution (3 mL) and the mixture was stirred at 50° C. for 1 hr. 1N Hydrochloric acid (3 mL) and water were added to the reaction mixture, and the precipitated crystals were collected by filtration and dried with air to give crystals (0.40 g, 93%) of 2-[2-[[3-[(5-methyl-2-phenyl-4-thiazolyl)methoxy]-5-isoxazolyl]methoxy]phenyl]acetic acid. Recrystallization from ethyl acetate-hexane gave colorless needle crystals. melting point: 147-148° C.

후처리

  1. filtrationthe precipitated crystals were collected by filtration
  2. customdried with air

출처 및 근거

ORD 기록
ord-ad31952305464f3ebcfdcd1a95f8ff4d
출처 데이터셋
uspto-grants-2007_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07238716B2

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