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Diisopropylethylamine → tert-butyl 3-phenyl-5-(3-(pyridin-4-yl)-1-trityl-1H-indazole-5-carboxamido)piperidine-1-carboxylate

HRID 1467327
Notes
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Reaction equation

HRID 1467327 reaction equation
F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.[N:25]1[CH:30]=[CH:29][C:28]([C:31]2[C:39]3[C:34](=[CH:35][CH:36]=[C:37]([C:40](O)=[O:41])[CH:38]=3)[N:33]([C:43]([C:56]3[CH:61]=[CH:60][CH:59]=[CH:58][CH:57]=3)([C:50]3[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=3)[C:44]3[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=3)[N:32]=2)=[CH:27][CH:26]=1.[NH2:62][CH:63]1[CH2:68][CH:67]([C:69]2[CH:74]=[CH:73][CH:72]=[CH:71][CH:70]=2)[CH2:66][N:65]([C:75]([O:77][C:78]([CH3:81])([CH3:80])[CH3:79])=[O:76])[CH2:64]1.C(N(C(C)C)CC)(C)C>CN(C=O)C>[C:69]1([CH:67]2[CH2:68][CH:63]([NH:62][C:40]([C:37]3[CH:38]=[C:39]4[C:34](=[CH:35][CH:36]=3)[N:33]([C:43]([C:44]3[CH:45]=[CH:46][CH:47]=[CH:48][CH:49]=3)([C:50]3[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=3)[C:56]3[CH:57]=[CH:58][CH:59]=[CH:60][CH:61]=3)[N:32]=[C:31]4[C:28]3[CH:27]=[CH:26][N:25]=[CH:30][CH:29]=3)=[O:41])[CH2:64][N:65]([C:75]([O:77][C:78]([CH3:81])([CH3:80])[CH3:79])=[O:76])[CH2:66]2)[CH:74]=[CH:73][CH:72]=[CH:71][CH:70]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 58592957Tert-butyl 3-amino-5-phenylpiperidine-1-carboxylateHCID 679963353-pyridin-4-yl-1-trityl-1H-indazole-5-carboxylic acid

Product 1

HCID 67995717
tert-butyl 3-phenyl-5-(3-(pyridin-4-yl)-1-trityl-1H-indazole-5-carboxamido)piperidine-1-carboxylate

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent2×

Procedure

2-(7-Aza-1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate (HATU) (44 mg, 0.114 mmol) was added to a suspension of 3-(pyridin-4-yl)-1-trityl-1H-indazole-5-carboxylic acid (50 mg, 0.104 mmol) in DMF (0.5 mL) and was stirred at room temperature for 15 minutes. A solution of tert-butyl 3-amino-5-phenyl-piperidine-1-carboxylate (29 mg, 0.104 mmol) in DMF (0.5 mL) was added to the reaction and followed by diisopropyl ethyl amine (DIEA) (0.1 mL). The mixture was stirred at room temperature for an additional 30 minutes. The reaction was quenched with water (5 mL) and extracted with ethyl acetate (3×10 mL). The extracts were combined, dried using anhydrous sodium sulfate, filtered, and concentrated in vacuo. The crude product was progressed to the next step without purification.

Workup

  1. stirringThe mixture was stirred at room temperature for an additional 30 minutes
  2. customThe reaction was quenched with water (5 mL)
  3. extractionextracted with ethyl acetate (3×10 mL)
  4. customdried
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe crude product was progressed to the next step without purification

Sources & evidence

ORD record
ord-b619998e938347f6a608b03093b2495c
Source dataset
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08999957B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes