Reaktion #55560

ord-81d77bcf0ad94a3c84a882a64c8d8882

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

It has also been observed, in accordance with another aspect of the present invention, that a mixture of halogen and alkali metal hydroxide i.e. an alkali metal hypohalide such as sodium hypochlorite, hypobromite or hypoiodite when it is added to an aqueous suspension of 5-nitro-2-formyl-thiophene maintained at a pH between 4.5 and 6.5 by means of acetic acid or an acetic acid/alkali metal acetate mixture, provides pure 5-nitro-2-thenoic acid in a yield of at least 75%.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US04220793uspto-grants-1980_09