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Chemical Structure| 1388894-05-0

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Product Details of [ 1388894-05-0 ]

CAS No. :1388894-05-0
Formula : C17H25ClN2OSSi
M.W : 369.00
SMILES Code : ClC1=C(C2=C(CC[C@@H]2CCO[Si](C)(C(C)(C)C)C)S3)C3=NC=N1
MDL No. :MFCD30472043

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Application In Synthesis of [ 1388894-05-0 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 1388894-05-0 ]

[ 1388894-05-0 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 1228947-14-5 ]
  • [ 1388894-05-0 ]
  • [ 1388894-14-1 ]
YieldReaction ConditionsOperation in experiment
63% Example 29: Synthesis of 2-((R)-4-(((lr,4R)-4-morpholinocyclohexyl)oxy)-6,7- dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-5-yl)acetamide.Page 280 of 4072009184-0008 33b[00638] Synthesis of compound 31b. 4-(Morpholin-4-yl)cyclohexan-l-ol (commercially available; 218 mg, 1.2 mmol, 1.50 equiv) was treated with NaH NMR (60% dispersion in mineral oil, 128 mg, 3.2 mmol, 4 equiv) in freshly distilled tetrahydrofuran (15 mL) for 30 min at 0 C in a water/ice bath under nitrogen. Then a solution of intermediate Hb (289 mg, 0.8 mmol, 1.00 equiv) in 5 mL of THF was added via syringe and the resulting solution was allowed to stir for an additional 3 h at 60 C in an oil bath. The reaction was then quenched with saturated aqueous NH4CI and extracted with 3 x 50 mL of ethyl acetate. The combined organic layers were washed with brine, dried (Na2S04) and concentrated under vacuum. The residue was applied onto a silica gel column with ethyl acetate/petroleum ether (1 :5-1 :2) and purified to afford compound 31b (260 mg, 63%) as a colorless oil.[00639] Synthesis of compound 32b. To a solution of 31b (260 mg, 0.5 mmol, 1.0 equiv) in 10 mL of DCM was added 0.5 mL of concentrated hydrochloric acid in an ice/water bath. The resulting solution was stirred for 2 h and concentrated in vacuo. The residue was neutralized with saturated aqueous Na2C( j and extracted with 3 x 50 mL of ethyl acetate. The organic layers were combined, washed with brine, dried (Na2S04) and concentrated under reduced pressure. The residue was purified by column chromatography on silica gel with DCM/MeOH NMR ( 15: 1 ) to afford the desired alcohol 32b ( 185 mg, 91 %) as a colorless oil.[00640] Synthesis of compound 33b. Alcohol 32b (185 mg, 0.46 mmol, 1.00 equiv) was oxidized with dipyridinium dichromate (752 mg, 2.00 mmol, 4.36 equiv) in 50 mL of DMF forPage 281 of 4072009184-0008 24 h at room temperature. The resulting solution was diluted with water and extracted with 3 x 50 mL of mixed solutions of CHCU/iso-PrOH. The organic layers were combined, dried (Na2S04) and concentrated under vacuum. The residue was applied onto a silica gel column with dichloromethane/methanol (5: 1 to 1 : 1 ) and purified to afford 105 mg (55%) of acid 33b as a yellow oil.[00641] Synthesis of Compound. A 50 mL round-bottom flask containing a solution of acid 33b (105 mg, 0.25 mmol, 1.00 equiv), NH4C1 (80 mg, 1.50 mmol, 6.00 equiv), EDCI (57 mg, 0.3 mmol, 1.2 equiv), 4-dimethylaminopyridine (37 mg, 0.3 mmol, 1.2 equiv) and HOBt (40 mg, 0.3 mmol, 1.2 equiv) in 5 mL of anhydrous DMF was stirred for 24 h at room temperature. The resulting solution was diluted with water and extracted with 4 x 50 mL of mixed solution of CHCI3: iso-PrOH. The combined organic layers were concentrated under vacuum. The crude product was purified by preparative HPLC (SHIMADZU) under the following conditions: column: SunFire Prep C I 8, 19* 150mm 5um; mobile phase: water (0.05% Nu¾?3) and CH3CN (6.0% CH3CN up to 50.0% in 25 min); UV detection at 254/220 nm. The product containing fractions were collected and concentrated to give the product (22.5 mg) as a white solid. MR (300 MHz, CD3OD) delta 8.43 (s, 1H), 5.27-5.20 (m, 1H), 3.80-3.70 (m, 5H), 3.29-3.27 (m, 1 H), 3.12-2.90 (m, 2H), 2.73-2.67 (m, 5H), 2.49-2.42 (m, 1H), 2.32-2.19 (m, 4H), 2.10-2.06 (d, 2H), 1.67- 1.46 (m, 4H). MS: m/z 417 (M+H)+.
 

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