Triethylamine → N-tert-butyl-1-[8-(2-chlorophenyl)-9-(4-chlorophenyl)-9H-purin-6-yl]-4-phenylpiperidine-4-carboxamide

HRID 715613Notes

Reaction equation

Cl[C:2]1[N:10]=[CH:9][N:8]=[C:7]2[C:3]=1[N:4]=[C:5]([C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=1[Cl:24])[N:6]2[C:11]1[CH:16]=[CH:15][C:14]([Cl:17])=[CH:13][CH:12]=1.[C:25]([NH:29][C:30]([C:32]1([C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]1)=[O:31])([CH3:28])([CH3:27])[CH3:26].C(N(CC)CC)C>C(O)C>[C:25]([NH:29][C:30]([C:32]1([C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)[CH2:37][CH2:36][N:35]([C:2]2[N:10]=[CH:9][N:8]=[C:7]3[C:3]=2[N:4]=[C:5]([C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=2[Cl:24])[N:6]3[C:11]2[CH:12]=[CH:13][C:14]([Cl:17])=[CH:15][CH:16]=2)[CH2:34][CH2:33]1)=[O:31])([CH3:28])([CH3:26])[CH3:27]

Participants

Conditions

Temperature: 80 °C

Procedure

To a solution of 6-chloro-8-(2-chlorophenyl)-9-(4-chlorophenyl)-9H-purine (19 mg, 0.051 mmol, 1 eq.) in 2 mL of ethanol was added N-tert-butyl-4-phenylpiperidine-4-carboxamide (13.2 mg, 0.051 mmol, 1 eq.) and triethylamine (0.02 mL, 0.15 mmol, 3 eq.). The reaction was heated to 80° C. 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 22 mg (72%) of N-tert-butyl-1-[8-(2-chlorophenyl)-9-(4-chlorophenyl)-9H-purin-6-yl]-4-phenylpiperidine-4-carboxamide. 1H NMR (300 MHz, CHLOROFORM-d) δ ppm 1.14-1.32 (m, 9 H) 2.17 (s, 2 H) 2.39-2.58 (m, 2 H) 4.07 (s, 2 H) 5.01 (s, 2 H) 7.10-7.44 (m, 12 H) 7.51 (d, J=6.59 Hz, 1 H) 8.37 (s, 1 H), [M+H]+ 599.7.

Workup

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

Sources & evidence

ORD record: ord-33e0816b5e374a1fa39386fa2ea0e054
Source dataset: uspto-grants-2015_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09187480B2

Reaction notes

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