Butlak, Alina and Kazakov, Igor and Stauber, Andreas and Hegen, Oliver and Scheer, Manfred and Pomogaeva, Anna and Timoshkin, Alexey Y. (2019) Thermal Decomposition of Donor-Stabilized Phosphinoborane PH2BH2NMe3: A Tensimetry Study. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2019 (35). pp. 3885-3891. ISSN 1434-1948, 1099-0682
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The thermal decomposition of PH2BH2 center dot NMe3 (1) in closed system was studied by static tensimetry with membrane null-manometer. Compound 1 is unstable already at room temperature and partially decomposes with the release of gaseous trimethylamine and nonvolatile polymeric material. Storage of 1 at 311 K for 53 days results in evolution of small amounts of hydrogen and phosphine. At temperatures up to 329 K, PH3 evolution and BH3NMe3 adduct formation is observed after 3 days, and above 387 K, considerable amount of hydrogen gas is released. The data obtained indicate that the pyrolysis of 1 in the closed system may result in the enrichment of the condensed phase with boron due to phosphine loss.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | PHOSPHORUS-BORON BONDS; MOLECULAR-STRUCTURE; CATALYZED FORMATION; CRYSTAL-STRUCTURE; BORANE ADDUCTS; LEWIS; CHAINS; ROUTE; POLY(PHOSPHINOBORANES); PHOSPHANYLBORANES; Phosphorus; Boron; Hydrides; Thermolysis; Tensimetry |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 30 Mar 2020 07:54 |
| Last Modified: | 30 Mar 2020 07:54 |
| URI: | https://pred.uni-regensburg.de/id/eprint/26272 |
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