1,3,5-Tri-p-tolylbiuret

MoOCl2 (L-OMe) as catalyst, where L-OMe is CpCo[P(O)-(OMe)(2)](3), reacts w ith p-tolyl isocyanate to afford the title compound, C23H23N3O2. The struct ural features are the intramolecular hydrogen bond forming a six-membered r ing and a nearly planar arrangement of the biuret moiety. Each p-tolyl phen yl ring is twisted by approximately 60-80 degrees with respect to the other s. The bond lengths N1-C22 of 1.357 (3) Angstrom and N2-C23 of 1.333 (3) An gstrom indicate that they are partial double bonds.