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Cesium carbonate → 1-tert-Butyl 2-methyl (2S,4R)-4-[(3-allyl-1-methyl-3H-pyrrolo[2,3-e]quinolin-4-yl)oxy]pyrrolidine-1,2-dicarboxylate

HRID 2045723
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HRID 2045723 반응식
C([O-])([O-])=O.[Cs+].[Cs+].BrC1C=CC(S([O:17][C@@H:18]2[CH2:22][N:21]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[C@H:20]([C:30]([O:32][CH3:33])=[O:31])[CH2:19]2)(=O)=O)=CC=1.[CH2:34]([CH:37]1[CH:46](O)[C:45]23[N:48]=[CH:49][CH:50]=[C:44]2[CH:43]=[CH:42][CH:41]=[C:40]3[N:39]([CH3:51])[CH2:38]1)[CH:35]=[CH2:36]>CN1C(=O)CCC1.CCOC(C)=O.Cl>[CH2:34]([CH:37]1[CH:46]([O:17][C@H:18]2[CH2:22][N:21]([C:23]([O:25][C:26]([CH3:27])([CH3:28])[CH3:29])=[O:24])[C@H:20]([C:30]([O:32][CH3:33])=[O:31])[CH2:19]2)[C:45]23[N:48]=[CH:49][CH:50]=[C:44]2[CH:43]=[CH:42][CH:41]=[C:40]3[N:39]([CH3:51])[CH2:38]1)[CH:35]=[CH2:36]
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참가 물질

7

반응물 3

HCID 10796Cesium carbonateHCID 565904841-(tert-Butyl) 2-methyl (2S,4S)-4-(((4-bromophenyl)sulfonyl)oxy)pyrrolidine-1,2-dicarboxylateHCID 668963203-Allyl-1-methyl-3H-pyrrolo[2,3-e]quinolin-4-ol

생성물 1

HCID 866495141-tert-Butyl 2-methyl (2S,4R)-4-[(3-allyl-1-methyl-3H-pyrrolo[2,3-e]quinolin-4-yl)oxy]pyrrolidine-1,2-dicarboxylate수율 44%

시약·촉매·용매 3

HCID 313
Hydrochloric Acid
용매
HCID 8857Ethyl Acetate용매
HCID 13387N-methyl-2-pyrrolidone용매

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온도
60 °C

실험 절차

Cs2CO3 (8.20 g, 25.20 mmol) and 1-tert-butyl 2-methyl (2S,4S)-4-{[(4-bromophenyl)sulfonyl]oxy}pyrrolidine-1,2-dicarboxylate (3.80 g, 8.18 mmol) were added in sequence to a solution of 3-allyl-1-methyl-3H-pyrrolo[2,3-e]quinolin-4-ol (1.50 g, 6.29 mmol) in NMP (42 mL). The mixture was heated at 60° C. for 12 h, then cooled and diluted with EtOAc and aqueous HCl (1 N). The organic layer was separated, washed with brine and dried over Na2SO4. Filtration and removal of the volatiles gave a residue that was purified on silica gel (gradient elution, 20-100% EtOAc/petrol ether) to afford the title compound (1.30 g, 44%) as a solid. LCMS (ES+) m/z 466 (M+H)+.

후처리

  1. temperaturecooled
  2. customThe organic layer was separated
  3. washwashed with brine
  4. dry with materialdried over Na2SO4
  5. filtrationFiltration and removal of the volatiles
  6. customgave a residue that
  7. customwas purified on silica gel (gradient elution, 20-100% EtOAc/petrol ether)

출처 및 근거

ORD 기록
ord-978cf036560348e8863acaf23c490a67
출처 데이터셋
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08591878B2

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