N-(2,6-Dimethylphenyl)diphenylphosphinamine chalcogenides (S, Se) and a zirconium complex possessing phosphanylamide in the coordination sphere

Naktode, Kishor and Kottalanka, Ravi K. and Panda, Tarun K (2012) N-(2,6-Dimethylphenyl)diphenylphosphinamine chalcogenides (S, Se) and a zirconium complex possessing phosphanylamide in the coordination sphere. New Journal of Chemistry, 36 (11). p. 2280. ISSN 1144-0546

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Abstract

We report the syntheses of N-(2,6-dimethylphenyl)-P,P-diphenylphosphinothioic amide Ph2P(S)NH-(2,6-Me2C6H3)] (2) and N-(2,6-dimethylphenyl)-P,P-diphenylphosphinoselenoic amide Ph2P(Se)NH-(2,6-Me2C6H3)] (3) by the reaction of N-(2,6-dimethylphenyl)-P,P-diphenylphosphinamine [Ph2PNH-(2,6-Me2C6H3)] (1) with elemental sulphur and selenium respectively. When the phosphinamine compound 1 was treated with n-BuLi and subsequently with zirconocenedichloride in an equimolar ratio, the corresponding zirconium complex [{η5-Cp2ZrCl(η2-N(2,6-Me2C6H3)PPh2}] (5) was obtained in good yield. The solid state structures of all the compounds were established by single crystal X-ray diffraction analysis. In zirconium complex 5, a highly strained three membered metallacycle was observed. In addition, the solid state structure of [Ph2P(O)NH(2,6-Me2C6H3)] (4) was also determined. In the solid state structure, compound 4 shows extensive intermolecular hydrogen bonding through oxygen atoms, whereas a lesser extent of intermolecular hydrogen bonding was noted in compound 2, due to the presence of the less electronegative sulphur atom.

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IITH Creators:
IITH CreatorsORCiD
Panda, Tarun Khttp://orcid.org/0000-0003-0975-0118
Item Type: Article
Subjects: Chemistry
Divisions: Department of Chemistry
Depositing User: Library Staff
Date Deposited: 17 Sep 2019 06:32
Last Modified: 17 Sep 2019 06:32
URI: http://raiith.iith.ac.in/id/eprint/6276
Publisher URL: http://doi.org/10.1039/C2NJ40646B
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