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Cesium carbonate → 4-(5-(2-ethyl-1H-benzo[d]imidazol-1-yl)-2-((3-(1,1-dioxo-thiomorpholino)azetidin-1-yl)methyl)thiazolo[5,4-d]pyrimidin-7-yl)morpholine

HRID 1923138
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HRID 1923138 반응식
Cl[C:2]1[N:3]=[C:4]([N:24]2[CH2:29][CH2:28][O:27][CH2:26][CH2:25]2)[C:5]2[N:10]=[C:9]([CH2:11][N:12]3[CH2:15][CH:14]([N:16]4[CH2:21][CH2:20][S:19](=[O:23])(=[O:22])[CH2:18][CH2:17]4)[CH2:13]3)[S:8][C:6]=2[N:7]=1.[CH2:30]([C:32]1[NH:33][C:34]2[CH:40]=[CH:39][CH:38]=[CH:37][C:35]=2[N:36]=1)[CH3:31].CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH2:30]([C:32]1[N:33]([C:2]2[N:3]=[C:4]([N:24]3[CH2:25][CH2:26][O:27][CH2:28][CH2:29]3)[C:5]3[N:10]=[C:9]([CH2:11][N:12]4[CH2:13][CH:14]([N:16]5[CH2:17][CH2:18][S:19](=[O:22])(=[O:23])[CH2:20][CH2:21]5)[CH2:15]4)[S:8][C:6]=3[N:7]=2)[C:34]2[CH:40]=[CH:39][CH:38]=[CH:37][C:35]=2[N:36]=1)[CH3:31]
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참가 물질

7

반응물 4

HCID 10796Cesium carbonateHCID 158072-EthylbenzimidazoleHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 596058185-Chloro-2-[3-(1,1-Dioxo-1-thiomorpholin-4-yl)azetidin-1-ylmethyl]-7-morpholin-4-ylthiazolo[5,4-d]pyrimidine

생성물 1

HCID 596058284-(5-(2-ethyl-1H-benzo[d]imidazol-1-yl)-2-((3-(1,1-dioxo-thiomorpholino)azetidin-1-yl)methyl)thiazolo[5,4-d]pyrimidin-7-yl)morpholine
수율 60.2%

시약·촉매·용매 2

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 312751,4-Dioxane용매

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온도
145 °C

실험 절차

A mixture of 5-chloro-2-[3-(1,1-Dioxo-1-thiomorpholin-4-yl)azetidin-1-ylmethyl]-7-morpholin-4-ylthiazolo[5,4-d]pyrimidine (150 mg, 0.33 mmol), 2-ethylbenzimidazole (58 mg, 0.39 mmol), tris(dibenzylideneacetone)dipalladium (15 mg, 0.02 mmol), Xphos (31 mg, 0.07 mmol) and Cs2CO3 (213 mg, 0.65 mmol) in dioxane (3 mL) was purged with argon then heated at 145° C. for 45 min in a microwave reactor. The reaction mixture was filtered through a pad of celite, washing with EtOAc. The filtrate was concentrated in vacuo and purified by column chromatography (Si—PCC, MeOH:EtOAc, 0-10%) affording 436 as a foam (113 mg, 60%). LCMS (Method I): RT 2.59 min, [M+H]+ 569.3. 1H NMR (CDCl3, 400 MHz): δ 8.02-7.97 (m, 1 H); 7.79-7.75 (m, 1 H); 7.33-7.27 (m, 2 H); 4.41 (m, 4 H); 4.02 (s, 2 H); 3.91-3.81 (m, 4 H); 3.72 (m, 2 H); 3.39-3.30 (m, 3 H); 3.16 (m, 2 H); 3.08 (m, 4 H); 2.90-2.85 (m, 4 H) and 1.44 (t, J=7.5 Hz, 3 H)

후처리

  1. customwas purged with argon
  2. filtrationThe reaction mixture was filtered through a pad of celite
  3. washwashing with EtOAc
  4. concentrationThe filtrate was concentrated in vacuo
  5. custompurified by column chromatography (Si—PCC, MeOH:EtOAc, 0-10%)

출처 및 근거

ORD 기록
ord-8a822e7dd38e4a088c654fb975c79548
출처 데이터셋
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08173650B2

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