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Water → 4-[4-Sulfonylchromanoyloxy]-2-methoxybenzoic acid

HRID 1699
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HRID 1699 반응식
[S:1](=[C:4]1[C:13]2[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=2)[O:7][CH:6]([C:14]([O:16][C:17]2[CH:26]=[CH:25][C:20]([C:21]([O:23]C)=[O:22])=[C:19]([O:27][CH3:28])[CH:18]=2)=[O:15])[CH2:5]1)(=[O:3])=[O:2].O.O[Li].O>C1COCC1>[S:1](=[C:4]1[C:13]2[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=2)[O:7][CH:6]([C:14]([O:16][C:17]2[CH:26]=[CH:25][C:20]([C:21]([OH:23])=[O:22])=[C:19]([O:27][CH3:28])[CH:18]=2)=[O:15])[CH2:5]1)(=[O:2])=[O:3]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 962WaterHCID 168937Lithium hydroxide, monohydrateHCID 19691028Methyl 4-[4-sulfonylchromanoyloxy]-2-methoxybenzoate

생성물 1

HCID 196909464-[4-Sulfonylchromanoyloxy]-2-methoxybenzoic acid

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

반응 조건

온도
45 °C

실험 절차

To a stirred solution of methyl 4-[4-sulfonylchromanoyloxy]-2-methoxybenzoate (500 mg, 1.38 mmol) in THF:H2O (18 mL: 2 mL) was added LiOH.H2O (175 mg, 4.14 mmol). The reaction was heated to 45° C. over 12 h and then cooled to ambient temperature. The solvent was removed under reduced pressure. The crude solid was passed through a plug of silca gel packed in 50:50 MeOH:CH2Cl2 and eluted with same. The solvent was removed under reduced pressure to afford 4-[4-sulfonylchromanoyloxy]-2-methoxybenzoic acid as a white solid.

후처리

  1. temperaturecooled to ambient temperature
  2. customThe solvent was removed under reduced pressure
  3. washCH2Cl2 and eluted with same
  4. customThe solvent was removed under reduced pressure

출처 및 근거

ORD 기록
ord-46bdac7b5dca4dd2b9ea60dfb2c0fdfb
출처 데이터셋
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05726172

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