1.
Acta Crystallogr Sect E Struct Rep Online
; 65(Pt 8): o1979, 2009 Jul 25.
Article
in English
| MEDLINE
| ID: mdl-21583655
ABSTRACT
The title compound, C(6)H(5)NO(3), was synthesized via condensation of furfural with nitro-methane in the presence of isobutyl-amine. The compound crystallizes exclusively as the E isomer. The angle between the mean planes of the furan ring and the nitro-alkenyl group is 1.3â (2)°.
2.
Acta Crystallogr Sect E Struct Rep Online
; 65(Pt 8): o2060-1, 2009 Jul 31.
Article
in English
| MEDLINE
| ID: mdl-21583722
ABSTRACT
Crystals of the title compound, C(7)H(7)NO(3), under Mo Kα radiation sublime in less than 1h at room temperature. However, it was possible to collect data at 100K. It crystallized as the E isomer only. A double-bond conjugation in the furan ring is extended to the nitro-alkenyl group. Mol-ecular associations were realized in the crystal through Nâ¯π [3.545â (2)â Å] inter-actions involving the furan ring and C-Hâ¯O hydrogen bonds.