Reacción #1076739

ord-8e99ff4366cd44c59d1a3dbbe70495c2

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Procedimiento

N-(5-carboxypentyl)-2,3,3-trimethylindolinium bromide was prepared by the process set forth in Example IA with 2,3,3-trimethylindolenine and 6-bromohexanoic acid to produce 2.43 grams (71.2 percent yield) of yellow crystals. 1H and 13C NMR spectra indicated the following:

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US06458165B1uspto-grants-2002_10