rac-Phenyl (benzylamido)(p-tolylamido)phosphinate

The title compound, C20H21N2O2P, was synthesized from (RS)-(C6H5O)P(O)Cl(NHC6H4-p-CH3) and benzylamine. The product crystallizes as a racemate in a polar space group. The phosphorus atom has a distorted tetrahedral configuration: the bond angles at the P atom are in the range 103.2 (1)–118.4 (1)°. The P—N(benzylamido) bond [1.615 (2) Å] is slightly shorter than the P—N(p-tolylamido) bond [1.630 (2) Å]. Both N—H groups adopt an anti orientation relative to the phosphoryl group. In the crystal, the adjacent molecules are linked via N—H...O hydrogen bonds, forming R22(8) rings, into a one-dimensional arrangement parallel to the x axis.

Abstract licence: CC BY

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