1,1',4,5-Tetra-hydro-tri-spiro-[1,3,2-di-aza-phosphole-2,2'-[1,3,5,2,4,6]tri-aza-triphosphinine-4',6''-dibenzo[d,f][1,3,2]dioxaphosphepine-6',6'''-dibenzo[d,f][1,3,2]dioxaphosphepine] acetone monosolvate.

ABSTRACT: The title compound, C26H22N5O4P3·C3H6O, has been achieved in a two-step synthesis that does not require chromatography. This mol-ecule contains a seven-membered spiro-cyclic ring at two P-atom positions and a five-membered ring containing new P-N bonds at the other P-atom position. Endocyclic torsion angles about the central biphenyl C-C bonds are -41.5?(3) and -44.4?(3)°, and P-N bonds of the central P3N3 ring are within the range 1.5665?(17)-1.6171?(17)?Å, while the P-O distances are in the range 1.5940?(14)-1.6041?(14)?Å. One N-H group makes an inter-molecular N-H?N hydrogen bond, forming centrosymmetric dimers, while the other N-H group makes an N-H?O hydrogen bond to the acetone solvent mol-ecule. The crystal was a two-component non-merohedral twin with ratio 0.811/0.189.

SUBMITTER: Fontenot KR 

PROVIDER: S-EPMC3884451 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature