Abstract
In the title compound, C20H21N2O5PS, the indole ring is essentially planar, with a maximum deviation of −0.0083 (18) Å. The methyl C atom of the methylphosphonate group and the S atom lie 0.104 (2) and −0.2158 (6) Å, respectively, from the indole mean plane. The sulfonyl-bound phenyl ring is almost perpendicular to the indole ring system, with a dihedral angle of 82.30 (8)°. The ethyl side chains are disordered over two sets of sites, with occupancy factors of 0.737 (5)/0.263 (5) and 0.529 (11)/0.471 (11). In the crystal, molecules are linked into centrosymmetric dimers via C—H⋯O hydrogen bonds, resulting in an R 2 2(18) graph-set motif. The crystal structure is further stabilized by C—H⋯π interactions.
Highlights
In the title compound, C20H21N2O5PS, the indole ring is essentially planar, with a maximum deviation of
The sulfonyl-bound phenyl ring is almost perpendicular to the indole ring system, with a dihedral angle of 82.30 (8)
The ethyl side chains are disordered over two sets of sites, with occupancy factors of
Summary
C20H21N2O5PS, the indole ring is essentially planar, with a maximum deviation of. The methyl C atom of the methylphosphonate group and the S atom lie 0.104 (2) and 0.2158 (6) Å, respectively, from the indole mean plane. The sulfonyl-bound phenyl ring is almost perpendicular to the indole ring system, with a dihedral angle of 82.30 (8). The ethyl side chains are disordered over two sets of sites, with occupancy factors of. Molecules are linked into centrosymmetric dimers via C—. H O hydrogen bonds, resulting in an R22(18) graph-set motif. The crystal structure is further stabilized by C—H interactions
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