1.
Acta Crystallogr E Crystallogr Commun
; 71(Pt 12): o1002, 2015 Dec 01.
Article
in English
| MEDLINE
| ID: mdl-26870464
ABSTRACT
In the title compound, C17H18ClNO5, which was synthesized by reacting 4-chloro-3-formyl-coumarin, acetic acid and tert-butyl isocyanide, the acetamido side chain is convoluted with ring-to-side chain C-C-C-C, C-C-C-N and C-C-N-C torsion angles of -123.30â (14), -135.73â (12) and 176.10â (12)°, respectively. In the crystal, N-Hâ¯O and weak C-Hâ¯O hydrogen bonds are present, which together with π-π coumarin-ring inter-actions [ring centroid separations = 3.4582â (8) and 3.6421â (9)â Å], give rise to a layered structure lying parallel to (001).