(2E)-1-(2,4-Dimethylquinolin-3-yl)-3-(thiophen-2-yl)prop-2-en-1-oneAdditional correspondence author, e-mail: [email protected].

(2E)-1-(2,4-Dimethylquinolin-3-yl)-3-(thiophen-2-yl)prop-2-en-1-oneAdditional correspondence author, e-mail: [email protected].

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Two independent but virtually identical molecules comprise the asymmetric unit in the title compound, C18H15NOS.With reference to the quinolin-3-yl group, the 3-(thiophen-2-yl)prop-2-en-1-one residue is almost perpendicular, with all but the carbonyl O atom lying to one side of the plane.This conformation is reflected by L-CARNITINE the C—C—C—C torsion angles of −102.

2 (3) and 81.1 (3)° in the two independent molecules.The dihedral angle formed between the 13 non-H atoms directly associated with the quinolin-3-yl group and the thiophen-2-yl ring is 87.

70 (11)° [83.85 (10)° for DESK the second independent molecule].The presence of C—H.

O, C—H.N and π–π interactions [centroid–centroid distance = 3.5590 (12) Å] lead to supramolecular chains along the c-axis direction.

These are connected along the a-axis direction by C—H.π interactions.The resultant supramolecular layers stack along the b axis.