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

HRID 2074392Notes

Reaction equation

HRID 2074392 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>>[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]

Participants

5

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

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 dimethylformaide (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-1c1ccde966164cd797c502b16a10179f
Source dataset
uspto-grants-2011_04
Patent number
US07919507B2

Reaction notes

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