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Chemical Structure| 423165-13-3 Chemical Structure| 423165-13-3

Structure of 423165-13-3

Chemical Structure| 423165-13-3

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Product Details of [ 423165-13-3 ]

CAS No. :423165-13-3
Formula : C20H28N4
M.W : 324.46
SMILES Code : CC1=NN=C(C(C)C)N1[C@@H]2C[C@@](N3CC4=CC=CC=C4)([H])CC[C@@]3([H])C2
MDL No. :MFCD12911892

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Application In Synthesis of [ 423165-13-3 ]

* 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.

  • Upstream synthesis route of [ 423165-13-3 ]
  • Downstream synthetic route of [ 423165-13-3 ]

[ 423165-13-3 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 423165-13-3 ]
  • [ 423165-07-5 ]
YieldReaction ConditionsOperation in experiment
100% With hydrogen In ethanol at 20℃; for 18 h; [109] Synthesis of 3-(3-isopropyl-5-methyl-4H-1.2.4-triazol-4-yl)-8- azabicvclor3.2.11octane 103 (Y2a = Y2b = Y2c = H). To a solution of the triazole 102 (0.28 g, 0.86 mmol) in EtOH (9 mL) at ambient temperature was added 20 wt percent Pd(OH)2/C (140 mg). The mixture was purged with argon then placed under an H2 atmosphere and stirred at ambient temperature for 18h. The reaction mixture was filtered through a pad of celite, the pad washed with EtOH, and the filtrate was concentrated in vacuo to yield 103 (0.20 g, -100percent).; The triazole 102 in EtOH was treated with Pd(OH)2/C (140 mg) under an H2 atmosphere to yield amine 103.
94% With hydrogen In methanol at 20℃; Step 12
3-(3-Isopropyl-5-methyl-[1,2,4]triazol-4-yl)-8-aza-bicyclo[3.2.1]octane:
A solution of 8-benzyl-3-(3-isopropyl-5-methyl-[1,2,4]triazol-4-yl)-8-aza-bicyclo[3.2.1]octane (2.0 g, 6.17 mmol) in methanol (30 mL) was treated with 10percent palladium on carbon (0.25 g) under a hydrogen atmosphere (50 psi) at ambient temperature, overnight.
The mixture was filtered through a pad of Celite and the filtrate was concentrated to give the title compound. Yield: 1.36 g (94percent).
1H-NMR (CDCl3.) δ: 1.39 (d, J=6.9 Hz, 6H), 1.72-2.20 (m, 8H), 2.50 (s, 3H), 2.99 (m, 1H), 3.70 (m, 1H), 4.30 (m, 1H).
58% With ammonium formate In ethanol for 12 h; Reflux; Inert atmosphere Step 6:
3-(3-isopropyl-5-methyl-tetrahydro-1,2,4-triazol-4-yl)-exo-8-azabicyclo[3.2.1]octane
Ammonium formate (630 mg, 10 mmol) was added in a solution of the product prepared in step 5 (321 mg, 1 mmol) and 10percent Pd/C (32 mg) in ethanol (10 mL).
The reaction mixture was stirred and refluxed for 12 hours under nitrogen atmosphere, and then vaporized off the solvent under reduced pressure, diluted with dichloromethane, and washed with water.
The aqueous phase was extracted with dichloromethane, and the combined organic phase was dried with sodium sulfate, and concentrated to obtain the product as a white solid (135 mg, yield: 58percent).
1HNMR (CDCl3, 300 MHz) δ: 4.39-4.27 (m, 1H), 3.47 (s, 2H), 3.07-2.98 (m, 1H), 2.53 (s, 3H), 2.26-2.18 (m, 2H), 1.99-1.96 (m, 2H), 1.79-1.76 (d, 4H, J=8.1 Hz), 1.40-1.38 (d, 6H, J=6.9 Hz).
References: [1] Patent: WO2008/63600, 2008, A2, . Location in patent: Page/Page column 11-12; 28.
[2] Patent: US2008/146605, 2008, A1, . Location in patent: Page/Page column 41.
[3] Patent: US2011/251192, 2011, A1, . Location in patent: Page/Page column 21.
 

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