Tetrahydrofuran → 3-Amino-N-pyridin-3-ylmethyl-benzenesulfonamide
Reaction equation
[N+:1]([C:4]1[CH:5]=[C:6]([S:10]([NH:13][CH2:14][C:15]2[CH:16]=[N:17][CH:18]=[CH:19][CH:20]=2)(=[O:12])=[O:11])[CH:7]=[CH:8][CH:9]=1)([O-])=O.C1COCC1>CO>[NH2:1][C:4]1[CH:5]=[C:6]([S:10]([NH:13][CH2:14][C:15]2[CH:16]=[N:17][CH:18]=[CH:19][CH:20]=2)(=[O:12])=[O:11])[CH:7]=[CH:8][CH:9]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Hydrogenation of a stirred solution of 3-nitro-N-pyridin-3-ylmethyl-benzenesulfonamide [CAS-No. 436095-43-1; commercially available] (1.42 g, 4.84 mmol) in methanol (90 ml) and THF (50 ml) on palladium/carbon (10%, 0.14 g) for 2 h at room temperature yielded after removal of the catalyst by filtration, evaporation and crystallization from ethyl acetate/hexane the title compound (1.15 g, 90%) as a light yellow solid. MS (ISP) 264.1 [(M+H)+]; mp 129° C.
Workup
- customafter removal of the catalyst
- filtrationby filtration, evaporation and crystallization from ethyl acetate/hexane the title compound (1.15 g, 90%) as a light yellow solid
Sources & evidence
- ORD record
- ord-e3d900a1711347f0b3739e05f36b3cc0
- Source dataset
- uspto-grants-2008_05
- Patent number
- US07378417B2
Reaction notes
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