Reaction #170986

ord-547067b6166f49a6a94281f48d72b490

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    TemperatureThe reaction mixture was cooled to room temp.
  2. 2
    Filtrationfiltered
  3. 3
    Otherdried
  4. 4
    Otherrecrystallised from a mixture of ethyl acetate:hexane (1:6)

Procedure

6-(4-nitrophenoxy)-hexanoic acid methyl ester 21 (125 g, 468.16 mmol) was refluxed in conc. HCl (1250 ml) for 16 hours. The reaction mixture was cooled to room temp., filtered, dried and recrystallised from a mixture of ethyl acetate:hexane (1:6) to get pure 35 (95 g, 80.2%) as a white powder with an m.p. between 104-107° C.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08846845B2uspto-grants-2014_09