Triethylamine → N,N'-di(tert-butyloxycarbonyl)-2-[3-(pyrid-2-yl)isoxazol-5-yl]pyrrolidine-1-carboximidamide

HRID 2105232

Reaction equation

HRID 2105232 reaction equation
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[C:7]1[CH:11]=[C:10]([CH:12]2[CH2:16][CH2:15][CH2:14][NH:13]2)[O:9][N:8]=1.[C:17]([O:21][C:22]([NH:24][C:25]([NH:34][C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])=NS(C(F)(F)F)(=O)=O)=[O:23])([CH3:20])([CH3:19])[CH3:18].C(N(CC)CC)C>C(Cl)Cl>[C:38]([O:37][C:35]([NH:34][C:25]([N:13]1[CH2:14][CH2:15][CH2:16][CH:12]1[C:10]1[O:9][N:8]=[C:7]([C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][N:1]=2)[CH:11]=1)=[N:24][C:22]([O:21][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:23])=[O:36])([CH3:41])([CH3:40])[CH3:39]

Participants

5

Procedure

2-[3-(Pyrid-2-yl)isoxazol-5-yl]pyrrolidine (Method 12) (1.5 g, 7 mmol) was added to a solution of N,N′-di(tertbutyloxycarbonyl)-N″-(trifluoromethylsulphonyl)guanidine (2.59 g, 6.6 mmol) and triethylamine (0.975 ml) in DCM and the mixture stirred at ambient temperature for 8 hours. The mixture was then washed with water, dried (MgSO4) and the volatiles removed by evaporation. The residue was purified by chromatography on silica gel eluting with DCM/methanol (100:0 increasing in polarity to 98:2) to give the title compound (2.3 g, 70%).

Workup

  1. washThe mixture was then washed with water
  2. dry with materialdried (MgSO4)
  3. customthe volatiles removed by evaporation
  4. customThe residue was purified by chromatography on silica gel eluting with DCM/methanol (100:0 increasing in polarity to 98:2)

Sources & evidence

ORD record
ord-aac05e9011ea4aad9d3f54f9b185eb23
Source dataset
uspto-grants-2009_08
Patent number
US07579349B2

Linked notes

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