The structure of the title compound, C 8 H 14 NO 2 P, the ®rst of a compound containing a 1,2-butadienyl group bound to the phosphorus of a 1,3,2-oxazaphosphorinane ring, is reported. ## Experimental Compound (2) was recrystallized from THF to give light-yellow crystals, with m.p. 383 K; 31 P NMR
5-Ethyl-6-oxo-4-thioxo-1,3,2-oxazaphospholidino[3,2-a][1,3,2]benzodiazaphosphorine
✍ Scribed by Deng, Sheng-Lou ;Chen, Ru-Yu ;Leng, Xue-Bing ;Weng, Lin-Hong
- Publisher
- International Union of Crystallography
- Year
- 2003
- Tongue
- English
- Weight
- 169 KB
- Volume
- 59
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
Single-crystal X-ray study T = 298 K Mean '(C±C) = 0.004 A Ê R factor = 0.041 wR factor = 0.118 Data-to-parameter ratio = 14.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
📜 SIMILAR VOLUMES
In the title compound, C 17 H 19 N 2 O 2 PS 2 , the ®ve-membered phosphorus heterocycle has an envelope conformation. The carbamide moiety is involved in an NÐHÁ Á ÁS intramolecular hydrogen bond. The existence of a d±p % bond between the P atom and the adjacent N atom is observed.
The title compound, C 26 H 16 Cl 2 N 7 O 12 P 3 .C 2 H 3 N, consists of a non-planar trimeric phosphazene ring and two bulky 2,2 Hmethylenebis(4-nitrophenoxy) side groups, two cis-Cl atoms, and an acetonitrile molecule as solvent. With respect to the corresponding values in the reference compound N