tert-Butyl 3-amino-3-(hydroxymethyl)pyrrolidine-1-carboxylate → HCID 67373624, compound

HRID 2168808Notes

Reaction equation

HRID 2168808 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C:10]([NH2:15])([CH2:13][OH:14])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].FC1C([O:23][C:24]([C:26]2[N:27]=[N:28][C:29]([CH2:45][CH2:46][CH2:47][CH3:48])=[C:30]([C:32]3[CH:37]=[CH:36][C:35]([O:38][CH:39]4[CH2:44][CH2:43][CH2:42][CH2:41][CH2:40]4)=[CH:34][CH:33]=3)[CH:31]=2)=O)=C(F)C(F)=C(F)C=1F>ClCCCl.C(OCC)(=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][C:10]([NH:15][C:24]([C:26]2[N:27]=[N:28][C:29]([CH2:45][CH2:46][CH2:47][CH3:48])=[C:30]([C:32]3[CH:37]=[CH:36][C:35]([O:38][CH:39]4[CH2:40][CH2:41][CH2:42][CH2:43][CH2:44]4)=[CH:34][CH:33]=3)[CH:31]=2)=[O:23])([CH2:13][OH:14])[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

Participants

5

Reactant 2

HCID 24730317tert-Butyl 3-amino-3-(hydroxymethyl)pyrrolidine-1-carboxylateHCID 866578236-Butyl-5-(4-cyclohexyloxy-phenyl)-pyridazine-3-carboxylic acid pentafluorophenyl ester

Product 1

HCID 67373624HCID 67373624, compound

Reagents, catalysts & solvents 2

HCID 111,2-DichloroethaneSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a mixture of 3-amino-3-hydroxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester (1.0 mmol, 0.21 g) in anhydrous DCE (2 mL), 6-butyl-5-(4-cyclohexyloxy-phenyl)-pyridazine-3-carboxylic acid pentafluorophenyl ester (Example 93, 0.5 mmol, 0.26 g) and TEA (0.5 mL) was stirred at room temperature for 3 h. The reaction mixture was diluted with ethyl acetate (10 mL) and washed with NaOH (0.5 M) solution, water, and brine, dried (Na2SO4), filtered and concentrated under reduced pressure. The residue was purified by flash silica gel column chromatography using ethyl acetate:hexanes (7:3) to provide 3-{[6-butyl-5-(4-cyclohexyloxy-phenyl)-pyridazine-3-carbonyl]-amino}-3-hydroxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester.

Workup

  1. washwashed with NaOH (0.5 M) solution, water, and brine
  2. dry with materialdried (Na2SO4)
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by flash silica gel column chromatography

Sources & evidence

ORD record
ord-5893f4c2094b443d8e078c518bddbf75
Source dataset
uspto-grants-2015_06
Patent number
US09045461B2

Reaction notes

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