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Dichloromethane → 2-Hydroxy-5-[3-(2-methoxy-phenyl)-1-(toluene-4-sulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl]-benzoic acid methyl ester

HRID 729795
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HRID 729795 반응식
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[C:9]1[C:17]2[C:12](=[N:13][CH:14]=[C:15](B3OC(C)(C)C(C)(C)O3)[CH:16]=2)[N:11]([S:27]([C:30]2[CH:35]=[CH:34][C:33]([CH3:36])=[CH:32][CH:31]=2)(=[O:29])=[O:28])[CH:10]=1.Br[C:38]1[CH:47]=[C:42]([C:43]([O:45][CH3:46])=[O:44])[C:41]([OH:48])=[CH:40][CH:39]=1.ClCCl>C([O-])(O)=O.[Na+].C(#N)C.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[CH3:46][O:45][C:43](=[O:44])[C:42]1[CH:47]=[C:38]([C:15]2[CH:16]=[C:17]3[C:9]([C:4]4[CH:5]=[CH:6][CH:7]=[CH:8][C:3]=4[O:2][CH3:1])=[CH:10][N:11]([S:27]([C:30]4[CH:35]=[CH:34][C:33]([CH3:36])=[CH:32][CH:31]=4)(=[O:29])=[O:28])[C:12]3=[N:13][CH:14]=2)[CH:39]=[CH:40][C:41]=1[OH:48]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 3

HCID 6344DichloromethaneHCID 77683Methyl 5-bromosalicylateHCID 160390673-(2-Methoxyphenyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine

생성물 1

HCID 596997122-Hydroxy-5-[3-(2-methoxy-phenyl)-1-(toluene-4-sulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl]-benzoic acid methyl ester수율 91%

시약·촉매·용매 3

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
촉매
HCID 6342Acetonitrile용매
HCID 516892Sodium Bicarbonate용매

반응 조건

온도
90 °C

실험 절차

To a solution of 3-(2-methoxy-phenyl)-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1-(toluene-4-sulfonyl)-1H-pyrrolo[2,3-b]pyridine (502 mg, 1.00 mmol) in 1.5 mL saturated aqueous NaHCO3 and 5.0 mL acetonitrile was added methyl 5-bromosalicylate (253 mg, 1.10 mmol) and [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium (II), complex with dichloromethane (1:1) (41 mg, 0.05 mmol) in a microwave vial. The vial was capped, flushed with N2, evacuated under vacuum, and subsequently heated in a microwave at 90° C. for 300 seconds. The material was diluted with ethyl acetate and the organic layer was washed with saturated NaHCO3 (aq) and brine then dried over Na2SO4. The material was filtered then adsorbed onto silica gel and purified by flash chromatography with a gradient of ethyl acetate and hexane, affording the title compound as a hydroscopic white solid (480 mg, 91% yield). 1H NMR (500 MHz, CD3OD) δ 8.55 (d, J=2.0 Hz, 1H), 8.06 (m, 4H), 7.96 (s, 1H), 7.77 (dd, J=2.5, 6.0 Hz, 1H), 7.52 (dd, J=2.0, 6.0 Hz, 1H), 7.40 (m, 3H), 7.16 (d, J=8.5 Hz, 1H), 7.08 (m, 2H), 3.98 (s, 3H), 3.87 (s, 3H), 2.39 (s, 3H). MS: m/z 529.1 (M+H+).

후처리

  1. customThe vial was capped
  2. customflushed with N2
  3. customevacuated under vacuum
  4. additionThe material was diluted with ethyl acetate
  5. washthe organic layer was washed with saturated NaHCO3 (aq) and brine
  6. dry with materialthen dried over Na2SO4
  7. filtrationThe material was filtered
  8. custompurified by flash chromatography with a gradient of ethyl acetate and hexane

출처 및 근거

ORD 기록
ord-8f6d7718242d4f02986d78877eada43d
출처 데이터셋
uspto-grants-2009_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07582637B2

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