
N-Sulfinylaniline

"N"-Sulfinylaniline is the organosulfur compound with the formula C6H5NSO. It is a straw-colored liquid. "N"-Sulfinylaniline is an example of a sulfinylamine. It is a dienophile and a ligand in organometallic chemistry.
Synthesis and structure.
It is prepared by treating aniline with thionyl chloride:
X-ray crystallographic analysis confirms that "N"-sulfinylaniline is structurally related to sulfur dioxide as well as sulfur diimide. The C–S=N=O dihedral angle is –1.60°, 