Ethyl Acetate → 4,10-Dihydro-4-(4-aminobenzoyl)-5H-pyrrolo[1,2-a]thieno[3,2-e][1,4]diazepine

HRID 3549Notes

Reaction equation

HRID 3549 reaction equation
[N+:1]([C:4]1[CH:24]=[CH:23][C:7]([C:8]([N:10]2[C:16]3[CH:17]=[CH:18][S:19][C:15]=3[CH2:14][N:13]3[CH:20]=[CH:21][CH:22]=[C:12]3[CH2:11]2)=[O:9])=[CH:6][CH:5]=1)([O-])=O.C(OCC)(=O)C>C(O)C.[Pd]>[NH2:1][C:4]1[CH:24]=[CH:23][C:7]([C:8]([N:10]2[C:16]3[CH:17]=[CH:18][S:19][C:15]=3[CH2:14][N:13]3[CH:20]=[CH:21][CH:22]=[C:12]3[CH2:11]2)=[O:9])=[CH:6][CH:5]=1

Participants

5

Reactant 2

HCID 8857Ethyl AcetateHCID 218370274,10-Dihydro-4-(4-nitrobenzoyl)-5H-pyrrolo[1,2-a]thieno[3,2-e][1,4]diazepin

Product 1

HCID 218369774,10-Dihydro-4-(4-aminobenzoyl)-5H-pyrrolo[1,2-a]thieno[3,2-e][1,4]diazepine

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 702EthanolSolvent

Procedure

A mixture of 5 mmol of 4,10-dihydro-4-(4-nitrobenzoyl)-5H-pyrrolo-[1,2-a]thieno[3,2-e][1,4]diazepine in 25 ml of ethyl alcohol and 25 ml of ethyl acetate containing 0.2 g of 10% Pd/C is hydrogenated for 5 hours. The reaction mixture is filtered through a pad of diatomaceous earth. The filtrate is concentrated in vacuo to a solid which is purified by flash chromatography on silica gel to give the desired product.

Workup

  1. filtrationThe reaction mixture is filtered through a pad of diatomaceous earth
  2. concentrationThe filtrate is concentrated in vacuo to a solid which
  3. customis purified by flash chromatography on silica gel

Sources & evidence

ORD record
ord-776f8c6b427a45a6a33d6f8838f93d1c
Source dataset
uspto-grants-1998_03
Patent number
US05733905

Reaction notes

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