Reacción #3730

ord-38d4d17186b6440b9a7304522d7693ad

Ecuación de reacción

CCCCn1c(=O)c2[nH]c([N+](=O)[O-])nc2n(CCCC)c1=O
1,3-di-n-butyl-8-nitro xanthine
Br
hydrobromic acid
→
CCCCn1c(=O)c2[nH]c(Br)nc2n(CCCC)c1=O
title product
CCCCn1c(=O)c2[nH]c(Br)nc2n(CCCC)c1=O
1,3-Di-n-butyl-8-bromo Xanthine

Reactantes

CCCCn1c(=O)c2[nH]c([N+](=O)[O-])nc2n(CCCC)c1=O
1,3-di-n-butyl-8-nitro xanthine
Br
hydrobromic acid

Reactivos

Ninguno

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Procedimiento

1,3-Di-n-butyl-8-bromo xanthine was prepared from 1,3-di-n-butyl-8-nitro xanthine (0.5 g, 0.0016 mol) and concentrated hydrobromic acid (8 ml) using the procedure as described in Example 15. The title product was obtained after recrystallisation from ethanol, yield 0.4 g (91%), m.pt. 178° C.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US05734051uspto-grants-1998_03