SILYL-NITROGEN COMPOUNDS,1 III: SYNTHESIS AND CHARACTERISATION OF PENTASILA-PHOSPHA AND PENTASILA-ARSA PENTAZENES

Autor:	Jyotsna Kaushal, Tripat P. Kaur, S. K. Vasisht, K. Usha, Kavita Bandhu
Rok vydání:	1995
Předmět:	Tris Silylation Trimethylsilyl Organic Chemistry Heteroatom Hydrazine Cleavage (embryo) Biochemistry Medicinal chemistry Inorganic Chemistry chemistry.chemical_compound chemistry Organic chemistry Reactivity (chemistry) Methanol
Zdroj:	Phosphorus, Sulfur, and Silicon and the Related Elements. 107:189-195
ISSN:	1563-5325 1042-6507
DOI:	10.1080/10426509508027934
Popis:	Heteroatom incorporated pentazenes, pentakis(trimethylsilyl)-3-phospha-2-pentazene (Me3Si)2N—N(SiMe2)-P=N—N(SiMe3)2 and pentakis(trimethylsilyl)-3-arsa-2-pentanzene (Me3Si)2N—N(SiMe3)—As=N—N(SiMe3)2 have been isolated by the reaction of [tris(trimethylsilyl)hydrazino]-dichlorophosphine (Me3Si)2N—N(SiMe3)—PCI2 with dilithium-bis(trimethylsilyl)hydrazine Li(SiMe3)N—N(SiMe3)Li and of [tris(trimethylsilyl)hydrazino]dichloroarsine (SiMe3)2N—N(SiMe3)—AsCl2 with Li2N2(SiMe3)2, respectively. Both the compounds are reactive solids. The former thermolyses slowly at 120°C (T 1/2=25 h) whereas the latter decomposes rapidly at 100°C and is sensitive to light. Phosphapentazene reacts with methanol both with addition at—P=N—as well as desilylation, whereas, arsapentazene undergoes cleavage reaction.
Databáze:	OpenAIRE
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