Abstract
Two independent molecules (A and B) comprises the asymmetric unit of the title ester, C17H20OS. The phenyl ring is inclined with respect to the thiocarboxyl group, forming dihedral angles of 58.95 (6) (in molecule A) and 62.28 (6)° (in molecule B). In each independent molecule, one adamantyl methylene C atom is nearly coplanar with the thiocarboxyl group. The major difference between molecules A and B relates to the relationship between the S atom and the coplanar adamantyl methylene C atom [Ca—Cq—Cc—S torsion angles = 178.25 (8) and 6.81 (13)°, respectively; Ca = adamantyl methylene C atom, Cq = quaternary C atom and Cc = carbonyl C atom], whereby the S atom in molecule A has an anti relationship with the methylene C atom and in molecule B, the S atom is syn. In the crystal, C—H⋯π interactions are formed leading to supramolecular layers in the ac plane.
Highlights
Two independent molecules (A and B) comprises the asymmetric unit of the title ester, C17H20OS
The phenyl ring is inclined with respect to the thiocarboxyl group, forming dihedral angles of 58.95 (6) and 62.28 (6)
One adamantyl methylene C atom is nearly coplanar with the thiocarboxyl group
Summary
Adel S. El-Azab,a,b‡ Alaa A.-M. Abdel-Aziz,a,c Ibrahim A. University, Riyadh 11451, Saudi Arabia, bDepartment of Organic Chemistry, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt, cDepartment of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt, d Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia, and eChemistry Department, Faculty of Science, King Abdulaziz University, PO Box
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