Diethyl 3-methyl-5-(triphenylphosphoranyleneamino)thiophene-2,4-dicarboxylate

Yuan-Hong Jiao, Qian Zhang, Seik Weng Ng
2007 Acta Crystallographica Section E  
The title iminophosphorane, C29H28NO4PS, a thiophene compound with the sterically crowded –N=P(C6H5)3 substituent in the α-position of the aromatic ring, features an N =P double bond of length 1.572 (3) Å. One of the phenyl rings is coplanar with the plane of the three ipso-C atoms, whereas the other two are approximately orthogonal.
doi:10.1107/s1600536807051689 fatcat:ko2svgopungtfddqaqoiu62ahq