Reaction #452473

ord-0021ff8aeaa44237870b7859b8961298

Reaction equation

O=C[O-].[NH4+]
Ammonium formate
O=[N+]([O-])c1cccc2c1OCCO2
product
O=[N+]([O-])c1cccc2c1OCCO2
5-Nitro-2,3-dihydro-1,4-benzodioxin
Nc1cccc2c1OCCO2
product
Yield 74.0%
Nc1cccc2c1OCCO2
2,3-Dihydro-1,4-benzodioxin-5-amine
Yield 74.0%

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    Filtrationthe mixture was filtered
  2. 2
    Otherevaporated in vacuo
  3. 3
    Othertriturated with acetonitrile
  4. 4
    OtherThe residue was purified by chromatography (silica; ether)

Procedure

Ammonium formate (3.40 g, 0.054 mol) and 10% palladium on charcoal (1.44 g) were added to a stirred solution of the product of example 12 (2.45 g, 0.0135 mol) in methanol (15 ml). After the considerable effervescence had ceased, the mixture was filtered, evaporated in vacuo and triturated with acetonitrile. The residue was purified by chromatography (silica; ether) to give the product (1.51 g).

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US06127357uspto-grants-2000_10