Diisopropylethylamine → HCID 86687040, compound

HRID 1402178Notes

Reaction equation

HRID 1402178 reaction equation
[O:1]1[CH2:7][CH2:6][CH2:5][N:4]([C:8]2[N:12]3[CH:13]=[C:14]([O:17][C@H:18]4[C:27]5[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=5)[C@@H:21]([NH2:28])[CH2:20][CH2:19]4)[CH:15]=[CH:16][C:11]3=[N:10][N:9]=2)[CH2:3][CH2:2]1.ClC(Cl)(Cl)C[O:32][C:33](=O)[NH:34][C:35]1[N:36]([C:44]2[CH:49]=[CH:48][C:47]([CH3:50])=[CH:46][CH:45]=2)[N:37]=[C:38]([C:40]([CH3:43])([CH3:42])[CH3:41])[CH:39]=1.CCN(C(C)C)C(C)C>O1CCOCC1>[C:40]([C:38]1[CH:39]=[C:35]([NH:34][C:33]([NH:28][C@@H:21]2[C:22]3[C:27](=[CH:26][CH:25]=[CH:24][CH:23]=3)[C@H:18]([O:17][C:14]3[CH:15]=[CH:16][C:11]4[N:12]([C:8]([N:4]5[CH2:5][CH2:6][CH2:7][O:1][CH2:2][CH2:3]5)=[N:9][N:10]=4)[CH:13]=3)[CH2:19][CH2:20]2)=[O:32])[N:36]([C:44]2[CH:49]=[CH:48][C:47]([CH3:50])=[CH:46][CH:45]=2)[N:37]=1)([CH3:43])([CH3:41])[CH3:42]

Participants

5

Reactant 3

HCID 81531Diisopropylethylamine2×HCID 99310942,2,2-Trichloroethyl 3-tert-butyl-1-P-tolyl-1H-pyrazol-5-ylcarbamateHCID 86687038HCID 86687038, compound

Product 1

HCID 86687040HCID 86687040, compoundYield 21%

Reagents, catalysts & solvents 1

HCID 312751,4-DioxaneSolvent

Conditions

Temperature
105 °C

Procedure

A solution of Intermediate 49b (90.0 mg, 0.237 mmol) and (5-tert-butyl-2-p-tolyl-2H-pyrazol-3-yl)-carbamic acid 2,2,2-trichloro-ethyl ester (Synthetic Communications, 2009, 39, 3999-4009, which is incorporated herein by reference in its entirety; 97 mg, 0.24 mmol) in 1,4-dioxane (3 mL) and DIPEA (63 μL, 0.36 mmol) was stirred at 90° C. for 4 h, then more DIPEA (63 μL, 0.36 mmol) was added and mixture stirred at 100-110° C. for 3.5 h. The cooled mixture was concentrated in vacuo. The residue was purified by FCC, using 0-12% [2M NH3 in MeOH] in DCM, to give the product (31 mg, 21%). This was further purified by HPLC (C18 X-select column, 35-98% MeCN in H2O, 0.1% HCO2H) to give the title compound as a white powder after freeze-drying (20 mg, 13%). LCMS (Method 5): Rt 4.40 min, m/z 635.2 [MH+]. 1H NMR (400 MHz, d6-DMSO): 1.27 (9H, s), 1.80-2.18 (6H, m), 2.36 (3H, s), 3.44-3.51 (4H, m), 3.78-3.85 (4H, m), 4.77-4.85 (1H, m), 5.51 (1H, t, J 4.4), 6.32 (1H, s), 7.10-7.16 (2H, m), 7.25-7.40 (8H, m), 7.60 (1H, d, J 9.6), 7.65 (1H, d, J 1.5), 8.10 (1H, s).

Workup

  1. concentrationThe cooled mixture was concentrated in vacuo
  2. customThe residue was purified by FCC

Sources & evidence

ORD record
ord-3052ebce04d744d3b4d66b6f9180b24f
Source dataset
uspto-grants-2014_12
Patent number
US08907094B2

Reaction notes

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