Barium Sulfate → 5-Amino-2-cyanoethyl-2,3-dihydrobenzofuran
Reaction equation
[C:1]([CH2:3][CH2:4][CH:5]1[CH2:9][C:8]2[CH:10]=[C:11]([N+:14]([O-])=O)[CH:12]=[CH:13][C:7]=2[O:6]1)#[N:2].S([O-])([O-])(=O)=O.[Ba+2]>O1CCCC1.[Pd]>[NH2:14][C:11]1[CH:12]=[CH:13][C:7]2[O:6][CH:5]([CH2:4][CH2:3][C:1]#[N:2])[CH2:9][C:8]=2[CH:10]=1Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
Starting from 3.2 g (15 mmol) of 2-cyanoethyl-5-nitro-2,3-dihydrobenzofuran in 80 ml of tetrahydrofuran, hydrogenated in the presence of 0.32 g of palladium on 5% barium sulfate under the conditions described in step 7 of Example 7, 2.7 g of product were obtained.
Sources & evidence
- ORD record
- ord-4320b5e8ea524ff6af1fcd3396dc409a
- Source dataset
- uspto-grants-1999_07
- Patent number
- US05925662
Reaction notes
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