Triethylamine → Ethyl 1-{4-cyano-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-1,3-benzoxazol-2-yl}piperidine-4-carboxylate

HRID 17429Notes

Reaction equation

HRID 17429 reaction equation
[C:1]([C:3]1[C:8]2[N:9]=[C:10]([N:12]3[CH2:17][CH2:16][CH:15]([C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH2:14][CH2:13]3)[O:11][C:7]=2[C:6](F)=[C:5]([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[C:4]=1[CH3:30])#[N:2].C(N(CC)CC)C.[CH3:38][N:39]([CH3:45])[C@H:40]1[CH2:44][CH2:43][NH:42][CH2:41]1>CS(C)=O>[C:1]([C:3]1[C:8]2[N:9]=[C:10]([N:12]3[CH2:17][CH2:16][CH:15]([C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH2:14][CH2:13]3)[O:11][C:7]=2[C:6]([N:42]2[CH2:43][CH2:44][C@H:40]([N:39]([CH3:45])[CH3:38])[CH2:41]2)=[C:5]([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[C:4]=1[CH3:30])#[N:2]

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 7019156(3S)-(-)-3-(Dimethylamino)pyrrolidineHCID 68584803Ethyl 1-(4-cyano-7-fluoro-5-methyl-6-phenyl-1,3-benzoxazol-2-yl)piperidine-4-carboxylate

Product 1

HCID 68584931Ethyl 1-{4-cyano-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-1,3-benzoxazol-2-yl}piperidine-4-carboxylate

Reagents, catalysts & solvents 1

HCID 679Dimethyl SulfoxideSolvent

Conditions

Temperature
150 °C

Procedure

Ethyl 1-(4-cyano-7-fluoro-5-methyl-6-phenyl-1,3-benzoxazol-2-yl)piperidine-4-carboxylate (I-161) (0.27 g, 0.66 mmol) was dissolved in dimethyl sulfoxide (5 ml), then triethylamine (0.19 ml, 1.37 mmol) and (3S)-3-(dimethylamino)pyrrolidine (0.17 ml, 1.34 mmol) were added, followed by stirring in a sealed tube at an external temperature of about 150° C. for 4 hours.

Sources & evidence

ORD record
ord-dd0c90a7ad7d41a5b45bb2a532e226e0
Source dataset
uspto-grants-2010_06
Patent number
US07737166B2

Reaction notes

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