Triphenylphosphine → 4-(4-(((6-Methoxy-2-(2-methoxyimidazo[2,1-b][1,3,4]thiadiazol-6-yl)benzofuran-4-yl)oxy)methyl)thiazol-2-yl)morpholine

HRID 625099

反応式

HRID 625099 の反応式
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[O:9][C:8]([C:10]3[N:11]=[C:12]4[N:16]([CH:17]=3)[N:15]=[C:14]([O:18][CH3:19])[S:13]4)=[CH:7][C:6]2=[C:20]([OH:22])[CH:21]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[O:42]1[CH2:47][CH2:46][N:45]([C:48]2[S:49][CH:50]=[C:51]([CH2:53]O)[N:52]=2)[CH2:44][CH2:43]1.CC(OC(/N=N/C(OC(C)C)=O)=O)C>O1CCCC1.C(OCC)(=O)C>[CH3:1][O:2][C:3]1[CH:21]=[C:20]([O:22][CH2:53][C:51]2[N:52]=[C:48]([N:45]3[CH2:46][CH2:47][O:42][CH2:43][CH2:44]3)[S:49][CH:50]=2)[C:6]2[CH:7]=[C:8]([C:10]3[N:11]=[C:12]4[N:16]([CH:17]=3)[N:15]=[C:14]([O:18][CH3:19])[S:13]4)[O:9][C:5]=2[CH:4]=1

参加物

7

反応物 4

HCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 10608093[2-(Morpholin-4-yl)-1,3-thiazol-4-yl]methanolHCID 722017096-Methoxy-2-(2-methoxyimidazo[2,1-b][1,3,4]thiadiazol-6-yl)benzofuran-4-ol

生成物 1

HCID 867008904-(4-(((6-Methoxy-2-(2-methoxyimidazo[2,1-b][1,3,4]thiadiazol-6-yl)benzofuran-4-yl)oxy)methyl)thiazol-2-yl)morpholine収率 53%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran溶媒HCID 8857Ethyl Acetate溶媒

反応条件

温度
22 °C

実験手順

6-Methoxy-2-(2-methoxyimidazo[2,1-b][1,3,4]thiadiazol-6-yl)benzofuran-4-ol (Example 1H, 0.10 g, 0.315 mmol), triphenylphosphine (0.124 g, 0.473 mmol) and (2-morpholinothiazol-4-yl)methanol (Example 5B, 0.086 g, 0.429 mmol) were added in a 25 mL round-bottom flask and purged under vacuum and nitrogen. Tetrahydrofuran (8 mL) was then added and the mixture was treated with DIAD (0.083 g, 0.410 mmol) in tetrahydrofuran (10 mL). The mixture was stirred at 22° C. for 1 hour and diluted with ethyl acetate. This was washed with sat. NaHCO3 (1×) and brine (1×), dried over anhydrous magnesium sulfate, filtered and concentrated. The residue was purified on silica gel column chromatography (2.5×10 cm, 40% ethyl acetate in CH2Cl2) and the residue obtained after concentration was crystallized in ethyl acetate to give the title material as crystals (0.083 g, 53%) and as an amorphous impure solid from the mother liquor (0.169 g). LC (Method F): 2.466 min. HRMS (ESI) calcd for C22H22N5O5S2 [M+H]+ m/z 500.1057, found 500.1075. 1H NMR (CDCl3, 400 MHz) δ ppm: 7.82 (s, 1H) 7.07 (s, 1H) 6.67 (d, J=2 Hz, 1H) 6.62 (s, 1H) 6.40 (d, J=1.5 Hz, 1H) 5.10 (s, 2H) 4.19 (s, 3H) 3.82 (s, 3H) 3.81 (m, 4H) 3.46 (m, 4H).

後処理

  1. custompurged under vacuum and nitrogen
  2. additionTetrahydrofuran (8 mL) was then added
  3. washThis was washed with sat. NaHCO3 (1×) and brine (1×)
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe residue was purified on silica gel column chromatography (2.5×10 cm, 40% ethyl acetate in CH2Cl2)
  8. customthe residue obtained
  9. concentrationafter concentration
  10. customwas crystallized in ethyl acetate

出典と根拠

ORDレコード
ord-771797f41eba40c39c8dabe7082c5245
出典データセット
uspto-grants-2016_04
特許番号
US09303065B2

関連ノート

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