Reaktion #363785

ord-60c8c5af40a5465d84358fbdadab9fdc

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

1-Hydroxymethylcyclopentanamine was prepared according to Method B1c. The 2-hydroxyethylamine was converted to 1-chloromethylcyclopentanamine HCl salt according to Method B7e. 1-Chloromethylcyclopentanamine HCl salt was reacted with 2-methyl-4-nitrophenyl isothiocyanate according to Method C1e to give 2-(2-methyl-4-nitrophenylimino)-3-thia-1-azaspiro[4.4]nonane. The thiazolidine was reacted with 2-(2-bromoethyl)-1,3-dioxane according to Method D2e to give 2-(2-methyl-4-nitrophenylimino)-1-(2-(1,3-dioxan-2-yl)ethyl)-3-thia-1-azaspiro[4.4]nonane.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US06353006B1uspto-grants-2002_03