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Diisopropylethylamine → ((S)-1-{1-[2-(3-Methyl-[1,2,4]-oxadiazol-5-yl)-phenyl]-methanoyl}-piperidin-2-ylmethyl)-carbamic acid tert butyl ester

HRID 18092
Notes
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Reaction equation

HRID 18092 reaction equation
[C:1]([O:5][C:6](=[O:15])[NH:7][CH2:8][C@@H:9]1[CH2:14][CH2:13][CH2:12][CH2:11][NH:10]1)([CH3:4])([CH3:3])[CH3:2].[CH3:16][C:17]1[N:21]=[C:20]([C:22]2[CH:30]=[CH:29][CH:28]=[CH:27][C:23]=2[C:24](O)=[O:25])[O:19][N:18]=1.C(N(C(C)C)CC)(C)C.F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1>CN(C)C=O>[C:1]([O:5][C:6](=[O:15])[NH:7][CH2:8][C@@H:9]1[CH2:14][CH2:13][CH2:12][CH2:11][N:10]1[C:24]([C:23]1[CH:27]=[CH:28][CH:29]=[CH:30][C:22]=1[C:20]1[O:19][N:18]=[C:17]([CH3:16])[N:21]=1)=[O:25])([CH3:4])([CH3:2])[CH3:3]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 1501973tert-butyl N-{[(2S)-piperidin-2-yl]methyl}carbamateHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 231463052-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid

Product 1

HCID 86593675
((S)-1-{1-[2-(3-Methyl-[1,2,4]-oxadiazol-5-yl)-phenyl]-methanoyl}-piperidin-2-ylmethyl)-carbamic acid tert butyl ester

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
90 °C

Procedure

A mixture of (S)-1-piperidin-2-ylmethyl-carbamic acid tert butyl ester (2.0 g) and 2-(3-methyl-[1,2,4]oxadiazol-5-yl)-benzoic acid (1.9) in dimethylformamide (10 ml containing diisopropylethylamine (2.4 ml) was treated with [O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate] (3.55 g) and stirred at 90° C. for 16 hours. Solvent was removed at reduced pressure and the residue column chromatographed (silica gel, diethyl ether eluant) to give the title compound (3.4 g).

Workup

  1. customSolvent was removed at reduced pressure
  2. customthe residue column chromatographed (silica gel, diethyl ether eluant)

Sources & evidence

ORD record
ord-92e42c39a1fb42739a6c7b48039086c7
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07741329B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes