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Bis(2-oxo-3-oxazolidinyl)phosphinic chloride → 1-[(5-Chloro-pyridin-2-ylcarbamoyl)-methyl]-5-[2-(2-methoxy-ethoxy)-ethoxymethyl]-1H-pyrazole-3-carboxylic acid (1-isopropyl-piperidin-4-yl)-amide

HRID 33268
Notes
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Reaction equation

HRID 33268 reaction equation
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([NH:8][C:9]([CH2:11][N:12]2[C:16]([CH2:17][O:18][CH2:19][CH2:20][O:21][CH2:22][CH2:23][O:24][CH3:25])=[CH:15][C:14]([C:26]([OH:28])=O)=[N:13]2)=[O:10])=[N:6][CH:7]=1.Cl.[CH:30]([N:33]1[CH2:38][CH2:37][CH:36]([NH2:39])[CH2:35][CH2:34]1)([CH3:32])[CH3:31].C1N(P(Cl)(N2C(=O)OCC2)=O)C(=O)OC1>C(Cl)Cl.CCN(CC)CC>[CH:30]([N:33]1[CH2:38][CH2:37][CH:36]([NH:39][C:26]([C:14]2[CH:15]=[C:16]([CH2:17][O:18][CH2:19][CH2:20][O:21][CH2:22][CH2:23][O:24][CH3:25])[N:12]([CH2:11][C:9](=[O:10])[NH:8][C:5]3[CH:4]=[CH:3][C:2]([Cl:1])=[CH:7][N:6]=3)[N:13]=2)=[O:28])[CH2:35][CH2:34]1)([CH3:32])[CH3:31]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 152842Bis(2-oxo-3-oxazolidinyl)phosphinic chlorideHCID 230334601-Isopropylpiperidin-4-amine hydrochlorideHCID 574744141-[(5-Chloro-pyridin-2-ylcarbamoyl)-methyl]-5-[2-(2-methoxy-ethoxy)-ethoxymethyl]-1H-pyrazole-3-carboxylic acid

Product 1

HCID 670411401-[(5-Chloro-pyridin-2-ylcarbamoyl)-methyl]-5-[2-(2-methoxy-ethoxy)-ethoxymethyl]-1H-pyrazole-3-carboxylic acid (1-isopropyl-piperidin-4-yl)-amide

Reagents, catalysts & solvents

2
HCID 6344DichloromethaneSolventHCID 8471TriethylamineSolvent

Procedure

To 400 mg 1-[(5-Chloro-pyridin-2-ylcarbamoyl)-methyl]-5-[2-(2-methoxy-ethoxy)-ethoxymethyl]-1H-pyrazole-3-carboxylic acid in 5 ml DCM and 0.3 ml NEt3, 217 mg 1-Isopropyl-piperidin-4-ylamine hydrochloride and 250 mg BOP-Cl were added at RT and the rmixture was stirred for 16 h. The mixture was concentrated under reduced pressure and the residue was purified by preparative HPLC (C18 reverse phase column, elution with a H2O/MeCN gradient with 0.1% TFA). The fractions containing the product were evaporated and lyophilized to yield a white solid.

Workup

  1. concentrationThe mixture was concentrated under reduced pressure
  2. customthe residue was purified by preparative HPLC (
  3. washC18 reverse phase column, elution with a H2O/MeCN gradient with 0.1% TFA)
  4. additionThe fractions containing the product
  5. customwere evaporated
  6. customto yield a white solid

Sources & evidence

ORD record
ord-2a22e945624f48da92ba941547177e5e
Source dataset
uspto-grants-2008_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07429581B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes