(5E)-5-(4-Meth­oxy­benzyl­idene)-2-(piperidin-1-yl)-1,3-thia­zol-4(5H)-one

In the title compound, C16H18N2O2S, the piperidine ring adopts a chair conformation. The central 4-thia­zolidinone ring makes dihedral angles of 12.01 (7) and 51.42 (9)°, respectively, with the benzene ring and the least-squares plane of the piperidine ring. An intra­molecular C—H⋯S hydrogen bond stabilizes the mol­ecular structure and generates an S(6) ring motif. In the crystal, mol­ecules are linked into a tape along the c axis by inter­molecular C—H⋯O hydrogen bonds

(E)-1-(3,4-Dimeth­oxy­phen­yl)-3-[4-(methyl­sulfan­yl)phen­yl]prop-2-en-1-one

In the title compound, C18H18O3S, the C=C double bond exists in an E configuration and the dihedral angle between the two benzene rings is 11.74 (8)°. In the crystal, mol­ecules are linked into a three-dimensional network by C—H⋯O hydrogen bonds. The crystal structure is also stabilized by weak C—H⋯π inter­actions

(5E)-5-(2,4-Dichloro­benzyl­idene)-2-(piperidin-1-yl)-1,3-thia­zol-4(5H)-one

In the title compound, C15H14Cl2N2OS, the piperidine ring adopts a chair conformation. The dihedral angle between the thia­zolidine ring and the dichloro­benzene ring is 9.30 (4)°; this near coplanar conformation is stabilized by the formation of an intra­molecular C—H⋯S hydrogen bond, which generates an S(6) ring. In the crystal, mol­ecules are linked by C—H⋯O hydrogen bonds, forming [001] chains. Weak π–π inter­actions [centroid–centroid separation = 3.5460 (5) Å] consolidate the structure

Synthesis of Some Fused Triazole Derivatives Containing 4-Isobutylphenylethyl and 4-Methylthiophenyl Moieties

A series of substituted [1