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Sodium Carbonate → 3-{[Bis(benzyloxy)phosphoryl]oxy}propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate

HRID 1047122
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HRID 1047122 반응식
Br[C:2]1[CH:3]=[C:4]2[C:9](=[N:10][CH:11]=1)[N:8]([CH2:12][CH3:13])[CH:7]=[C:6]([C:14]([O:16][CH2:17][CH2:18][CH2:19][O:20][P:21]([O:31][CH2:32][C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1)([O:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1)=[O:22])=[O:15])[C:5]2=[O:39].[CH2:40]([NH:42][C:43](=[O:63])[NH:44][C:45]1[N:50]=[CH:49][C:48](B(O)O)=[C:47]([C:54]2[S:55][CH:56]=[C:57]([C:59]([F:62])([F:61])[F:60])[N:58]=2)[CH:46]=1)[CH3:41].C(=O)([O-])[O-].[Na+].[Na+]>CN(C)C=O.[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[CH2:12]([N:8]1[C:9]2[C:4](=[CH:3][C:2]([C:48]3[CH:49]=[N:50][C:45]([NH:44][C:43](=[O:63])[NH:42][CH2:40][CH3:41])=[CH:46][C:47]=3[C:54]3[S:55][CH:56]=[C:57]([C:59]([F:62])([F:60])[F:61])[N:58]=3)=[CH:11][N:10]=2)[C:5](=[O:39])[C:6]([C:14]([O:16][CH2:17][CH2:18][CH2:19][O:20][P:21]([O:23][CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)([O:31][CH2:32][C:33]2[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=2)=[O:22])=[O:15])=[CH:7]1)[CH3:13]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 10340Sodium CarbonateHCID 594161896-(3-Ethylureido)-4-(4-(trifluoromethyl)thiazol-2-yl)pyridin-3-ylboronic acid2회HCID 687490433-{[Bis(benzyloxy)phosphoryl]oxy}propyl 6-bromo-1-ethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate2회

생성물 1

HCID 687463213-{[Bis(benzyloxy)phosphoryl]oxy}propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate
수율 65%

시약·촉매·용매 2

HCID 11979704Tetrakis(triphenylphosphine)palladium촉매HCID 6228Dimethylformamide용매

실험 절차

3-{[Bis(benzyloxy)phosphoryl]oxy}propyl 6-bromo-1-ethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate (Intermediate 26, 750 mg, 1.21 mmol) was dissolved in dimethylformamide (25 mL) and the solution was purged with argon. Tetrakis (triphenylphosphine) palladium (145 mg, 0.12 mmol) followed by 6-(3-ethylureido)-4-(4-(trifluoromethyl)thiazol-2-yl)pyridin-3-ylboronic acid (Intermediate 9, 645 mg, 1.46 mmol) was added and the mixture was stirred for 20 min at room temperature. Sodium carbonate solution (516 mg, 4.87 mmol) (dissolved in minimum amount of water) was added to reaction mixture and it was heated to 90° C. for 3 h. The reaction mixture was passed through celite bed and the celite was washed with dimethylformamide. The dimethylformamide layer was poured into water (100 mL) and a precipitate formed. The solid was filtered and dried then purified by flash column chromatography over silica gel (100-200 mesh). The product was eluted with gradient of MeOH/CHCl3 (0-6%) to afford 650 mg (65%) 3-{[bis(benzyloxy)phosphoryl]oxy}propyl 1-ethyl-6-{6-[(ethylcarbamoyl)amino]-4-[4-(trifluoromethyl)-1,3-thiazol-2-yl]pyridin-3-yl}-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate as white solid.

후처리

  1. customthe solution was purged with argon
  2. additionwas added
  3. temperaturewas heated to 90° C. for 3 h
  4. washthe celite was washed with dimethylformamide
  5. additionThe dimethylformamide layer was poured into water (100 mL)
  6. customa precipitate formed
  7. filtrationThe solid was filtered
  8. customdried
  9. customthen purified by flash column chromatography over silica gel (100-200 mesh)
  10. washThe product was eluted with gradient of MeOH/CHCl3 (0-6%)

출처 및 근거

ORD 기록
ord-2dd94b3cbee9494ea0080ff054a3763f
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08569484B2

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