Two derivatives of (N-phenylthioureidoalkyl)phosphonates

Checinska, L., Sieron, L., Bukowska-Strzyzewska, M., Kudzin, Z. H. and Fabian, L. (2003) Two derivatives of (N-phenylthioureidoalkyl)phosphonates. Acta Crystallographica Section C: Crystal Structure Communications, 59. O46-O50. ISSN 0108-2701

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Abstract

The structures of diphenyl [3-methyl-1-(3-phenylthioureido)butyl]phosphonate and diphenyl [2-methyl-1-(3-phenylthioureido)butyl]phosphonate, both C24H27N2O3PS, are reported. In both compounds, the thiourea moiety adopts a syn-syn conformation (i.e. the S-C-N-C torsion angles are synperiplanar), which enables N-H...O hydrogen bonds to be formed between centrosymmetrically related molecules. The geometries around the P atoms can be described as distorted tetrahedral. Some of the functional groups in each structure are disordered. The bulk of the different alkyl substituents between the amide and phosphonate groups influences the molecular conformation and crystal packing. Although the structures of these compounds and two related derivatives appear to be similar, they are not isostructural.

Item Type:	Article
Uncontrolled Keywords:	o-diphenyl,o
Faculty \ School:	Faculty of Science > School of Pharmacy (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Drug Delivery and Pharmaceutical Materials (former - to 2017) Faculty of Science > Research Groups > Pharmaceutical Materials and Soft Matter
Depositing User:	Rachel Smith
Date Deposited:	19 May 2011 10:01
Last Modified:	24 Sep 2024 10:09
URI:	https://ueaeprints.uea.ac.uk/id/eprint/30979
DOI:	10.1107/s0108270102021820

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