Acetonitrile → 1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-4-propoxycarbonyloxymethyl-1H-1,2,4-triazolium chloride

HRID 2186918Notes

Reaction equation

HRID 2186918 reaction equation
[F:1][C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[C@@:9]([OH:35])([CH2:29][N:30]1[CH:34]=[N:33][CH:32]=[N:31]1)[C@H:10]([N:12]1[CH2:16][CH2:15][N:14]([C:17]2[CH:22]=[CH:21][C:20]([N:23]3[CH:27]=[N:26][N:25]=[N:24]3)=[CH:19][CH:18]=2)[C:13]1=[O:28])[CH3:11].[C:36](=[O:44])([O:40][CH2:41][CH2:42][CH3:43])[O:37][CH2:38][Cl:39].C(#N)C>C(OC(C)C)(C)C>[Cl-:39].[F:1][C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[C@:9]([OH:35])([C@H:10]([N:12]1[CH2:16][CH2:15][N:14]([C:17]2[CH:22]=[CH:21][C:20]([N:23]3[CH:27]=[N:26][N:25]=[N:24]3)=[CH:19][CH:18]=2)[C:13]1=[O:28])[CH3:11])[CH2:29][NH+:30]1[CH2:34][N:33]([CH2:38][O:37][C:36]([O:40][CH2:41][CH2:42][CH3:43])=[O:44])[CH:32]=[N:31]1

Participants

5

Reactant 3

HCID 6342AcetonitrileHCID 3002973181869-54-5HCID 22595330Chloromethyl propyl carbonate

Product 1

HCID 699435721-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-4-propoxycarbonyloxymethyl-1H-1,2,4-triazolium chlorideYield 3%

Reagents, catalysts & solvents 1

HCID 7914Diisopropyl EtherSolvent

Conditions

Temperature
100 °C

Procedure

A mixture of 1-[(1R,2R)-2-(2,4-difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]-3-[4-(1H-tetrazol-1-yl)phenyl]-2-imidazolidinone (0.5 g), chloromethyl propyl carbonate (3.2 g) and acetonitrile (1 ml) was stirred for 12 hours at 100° C. After having been cooled, the mixture was diluted with diisopropyl ether (10 ml), and the resulting powder was collected by filtration. The powder was subjected to silica gel chromatography (eluent: ethyl acetate→acetone→acetone/ethanol=10/1→acetone/ethanol=5/1). The solvent was distilled off, and the residue was subjected to ODS column chromatography (eluent: methanol/water=3/2) to give 1-[(2R,3R)-2-(2,4-difluorophenyl)-2-hydroxy-3-[2-oxo-3-[4-(1H-tetrazol-1-yl)phenyl]-1-imidazolidinyl]butyl]-4-propoxycarbonyloxymethyl-1H-1,2,4-triazolium chloride (Compound 19, 0.02 g) as a white powder.

Workup

  1. temperatureAfter having been cooled
  2. filtrationthe resulting powder was collected by filtration
  3. distillationThe solvent was distilled off

Sources & evidence

ORD record
ord-25f0d15682024381a52a703fadca2d27
Source dataset
uspto-grants-2002_06
Patent number
US06407129B1

Reaction notes

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