Ethyl isocyanate → (3S)-3-{[8-(2-chlorophenyl)-9-(4-chlorophenyl)-9H-purin-6-yl]amino}-N-ethylpiperidine-1-carboxamide

HRID 715626Notes

Reaction equation

HRID 715626 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[N:9]([C:24]2[CH:29]=[CH:28][C:27]([Cl:30])=[CH:26][CH:25]=2)[C:10]2[C:15]([N:16]=1)=[C:14]([NH:17][C@H:18]1[CH2:23][CH2:22][CH2:21][NH:20][CH2:19]1)[N:13]=[CH:12][N:11]=2.C(N(CC)CC)C.[CH2:38]([N:40]=[C:41]=[O:42])[CH3:39]>C1COCC1>[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[N:9]([C:24]2[CH:25]=[CH:26][C:27]([Cl:30])=[CH:28][CH:29]=2)[C:10]2[C:15]([N:16]=1)=[C:14]([NH:17][C@H:18]1[CH2:23][CH2:22][CH2:21][N:20]([C:41]([NH:40][CH2:38][CH3:39])=[O:42])[CH2:19]1)[N:13]=[CH:12][N:11]=2

Participants

5

Reactant 3

HCID 8022Ethyl isocyanateHCID 8471TriethylamineHCID 714573468-(2-chlorophenyl)-9-(4-chlorophenyl)-N-[(3S)-piperidin-3-yl]-9H-purin-6-amine

Product 1

HCID 71459198(3S)-3-{[8-(2-chlorophenyl)-9-(4-chlorophenyl)-9H-purin-6-yl]amino}-N-ethylpiperidine-1-carboxamideYield 87.1%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 8-(2-chlorophenyl)-9-(4-chlorophenyl)-N-[(3S)-piperidin-3-yl]-9H-purin-6-amine (16 mg, 0.036 mmol, 1 eq.) in 2 mL of THF was added triethylamine (0.015 mL, 0.109 mmol, 3 eq.) and ethyl isocyanate (0.004 mL, 0.055 mmol, 1.5 eq). The reaction is stirred for 16 h. The reaction was concentrated in vacuo. The crude material was purified by silica gel column chromatography using 0-100% ethyl acetate/hexanes to yield 16 mg (86%) of (3S)-3-{[8-(2-chlorophenyl)-9-(4-chlorophenyl)-9H-purin-6-yl]amino}-N-ethylpiperidine-1-carboxamide. 1H NMR (300 MHz, CHLOROFORM-d) δ ppm 1.06-1.34 (m, 3 H) 1.53-1.95 (m, 4 H) 2.12-2.29 (m, 1 H) 3.07 (br. s., 2 H) 3.32 (br. s., 1 H) 3.72-4.41 (m, 3 H) 5.06 (br. s., 1 H) 6.02 (d, J=6.12 Hz, 1 H) 7.08-7.66 (m, 8 H) 8.45 (br. s., 1 H), [M+H]+ 510.3.

Workup

  1. concentrationThe reaction was concentrated in vacuo
  2. customThe crude material was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-c9d10103c9ed4d099c99ee2d6d91e4f3
Source dataset
uspto-grants-2015_11
Patent number
US09187480B2

Reaction notes

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