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Acetonitrile → HCID 178501358, compound

HRID 61485
Notes
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Reaction equation

HRID 61485 reaction equation
[C:1]([C:3]1[CH:8]=[CH:7][C:6]([N:9]2[CH2:14][CH2:13][N:12]([C:15]([C@H:17]3[CH2:22][CH2:21][NH:20][CH2:19][C@@H:18]3[C:23]([O:25][CH3:26])=[O:24])=[O:16])[CH2:11][CH2:10]2)=[C:5]([CH3:27])[CH:4]=1)#[N:2].C(#N)C.C(N(CC)CC)C.[CH:38]1[CH:43]=[CH:42][C:41]([O:44][C:45](OC2C=CC=CC=2)=[N:46][C:47]#[N:48])=[CH:40][CH:39]=1>>[C:47](/[N:46]=[C:45](\[O:44][C:41]1[CH:42]=[CH:43][CH:38]=[CH:39][CH:40]=1)/[N:20]1[CH2:21][CH2:22][C@H:17]([C:15]([N:12]2[CH2:13][CH2:14][N:9]([C:6]3[CH:7]=[CH:8][C:3]([C:1]#[N:2])=[CH:4][C:5]=3[CH3:27])[CH2:10][CH2:11]2)=[O:16])[C@@H:18]([C:23]([O:25][CH3:26])=[O:24])[CH2:19]1)#[N:48]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 4

HCID 6342AcetonitrileHCID 8471TriethylamineHCID 688090Diphenyl N-CyanocarbonimidateHCID 67304591Methyl(3r,4s)-4-[4-(4-cyano-2-methylphenyl)piperazin-1-yl]carbonylpiperidine-3-carboxylate

Product 1

HCID 178501358HCID 178501358, compound

Conditions

Temperature
85 °C

Procedure

To a stirred solution of methyl(3R,4S)-4-[4-(4-cyano-2-methylphenyl)piperazin-1-yl]carbonylpiperidine-3-carboxylate (386.500 mg, 1.04334E-3 mol) in anhydrous acetonitrile (6.000 mL, 0.1149 mol) at rt was added triethylamine (0.2923 mL, 0.002087 mol) and diphenyl cyanocarbonimidate (384.4 mg, 0.001565 mol). The reaction mixture was heated to reflux (oil bath temperature: 85° C.) for 5 hrs. The reaction mixture was concentrated in vacuo. The residue was purified by Combiflash with 40-90% EtOAc/Hex to give the product (60% in yield). MS (ESI): (M+H)+=515.

Workup

  1. temperatureThe reaction mixture was heated
  2. concentrationThe reaction mixture was concentrated in vacuo
  3. customThe residue was purified by Combiflash with 40-90% EtOAc/Hex
  4. customto give
  5. customthe product (60% in yield)

Sources & evidence

ORD record
ord-52f7bff843a94f53bbdfdda33d3898ec
Source dataset
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09440958B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes