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Boron trifluoride etherate → 2-{3-[3-(2-Ethyl-5-hydroxy-4-thiazol-2-yl-phenoxy)propoxy]-2-propyl-phenoxy}benzoic acid

HRID 1008309
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HRID 1008309 반응식
C[O:2][C:3](=[O:46])[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[O:10][C:11]1[CH:16]=[CH:15][CH:14]=[C:13]([O:17][CH2:18][CH2:19][CH2:20][O:21][C:22]2[CH:27]=[C:26]([O:28]CC3C=CC=CC=3)[C:25]([C:36]3[S:37][CH:38]=[CH:39][N:40]=3)=[CH:24][C:23]=2[CH2:41][CH3:42])[C:12]=1[CH2:43][CH2:44][CH3:45].B(F)(F)F.CCOCC>C(S)C.O>[CH2:41]([C:23]1[CH:24]=[C:25]([C:36]2[S:37][CH:38]=[CH:39][N:40]=2)[C:26]([OH:28])=[CH:27][C:22]=1[O:21][CH2:20][CH2:19][CH2:18][O:17][C:13]1[C:12]([CH2:43][CH2:44][CH3:45])=[C:11]([CH:16]=[CH:15][CH:14]=1)[O:10][C:5]1[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=1[C:3]([OH:46])=[O:2])[CH3:42]
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참가 물질

5

반응물 2

HCID 8000Boron trifluoride etherateHCID 601163722-{3-[3-(5-Benzyloxy-2-ethyl-4-thiazol-2-yl-phenoxy)propoxy]-2-propylphenoxy}benzoic acid methyl ester

생성물 1

HCID 1355369512-{3-[3-(2-Ethyl-5-hydroxy-4-thiazol-2-yl-phenoxy)propoxy]-2-propyl-phenoxy}benzoic acid수율 45.4%

시약·촉매·용매 2

HCID 962Water용매HCID 6343
Ethanethiol
용매

실험 절차

A solution of 2-{3-[3-(5-benzyloxy-2-ethyl-4-thiazol-2-yl-phenoxy)propoxy]-2-propylphenoxy}benzoic acid methyl ester (282 mg, 0.442 mmol) in ethanethiol (3 mL) was treated with boron trifluoride etherate (0.56 mL, 4.4 mmol) at room temperature for 3 h. The reaction mixture was diluted with water, concentrated in vacuo, and extracted with diethyl ether. The organic layer was dried (magnesium sulfate), filtered, and concentrated in vacuo. Chromatography (silica gel, ethyl acetate/hexane) provided 107 mg (44%) of the title compound. 1H NMR (CDCl3) δ 7.88 (dd, J=8, 2 Hz, 1H), 7.80 (d, J=4 Hz, 1H), 7.35 (dt, J=8, 2 Hz, 1H), 7.28 (d, J=4 Hz, 1H), 7.24 (s, 1H), 7.09 (dt, J=9, 2 Hz, 1H), 7.05 (t, J=9 Hz, 1H), 6.79 (d, J=9 Hz, 1H), 6.66 (d, J=9 Hz, 1H), 6.61 (s, 1H), 6.42 (d, J=9 Hz, 1H), 4.24 (t, J=6 Hz, 2H), 4.18 (t, J=6 Hz, 2H), 3.81 (s, 3H), 2.63 (t, J=7 Hz, 2H), 2.58 (q, J=7 Hz, 2H), 2.34 (quintet, J=6 Hz, 2H), 1.52 (hextet, J=8 Hz, 2H), 1.17 (t, J=7 Hz, 3H), 0.88 (t, J=7 Hz, 3H); MS ES+ m/e 548 (p+1).

후처리

  1. concentrationconcentrated in vacuo
  2. extractionextracted with diethyl ether
  3. dry with materialThe organic layer was dried (magnesium sulfate)
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-452d4c2204dc4efa8c71dcebf6fc3d22
출처 데이터셋
uspto-grants-2004_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06797723B1

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