Synthese und Struktur des ersten Tellur‐haltigen Borazin‐Derivats und einer Tellur‐haltigen Bor – Stickstoff‐Spiro‐Verbindung

Abstract

Synthesis and Structure of the First Tellurium‐Containing Borazine Derivative and a Tellurium‐Containing Boron – Nitrogen Spirocyclic Compound We describe the synthesis of the first tellurium‐containing borazine derivative MeN[PhBN(Me)]2TeCl2 (2). Compound 2 has been prepared by the reaction of MeN[PhBN(Me)SiMe3]2 and TeCl4. The spirocyclic compound [PhB(tBuN)2]2Te (4) has been synthesized by the reaction of PhB(tBuNLi)2 (3) with TeCl4 in a molar ratio of 2:1. The single‐crystal X‐ray structures of 2 and 4 are reported.

Metallaborazines: To Be or Not To Be Delocalized

“…One year later, in 1993, Koch et al synthesized and reported the X-ray structure of a tellurium-substituted borazine, with the molecular formula MeN­[PhBN­(Me)] 2 TeCl 2 . The structure shows that the tellurium atom is bonded to the borazine’s nitrogen atoms and it is a nonplanar ring (close to the “boat” geometry) . It was in 2018 when Less et al reported the synthesis of an aluminum-substituted borazine.…”

“…The structure shows that the tellurium atom is bonded to the borazine's nitrogen atoms and it is a nonplanar ring (close to the "boat" geometry). 29 It was in 2018 when Less et al reported the synthesis of an aluminum-substituted borazine. The ring is a planar structure, and the metal atom is bonded to borazine's nitrogen atoms.…”

Syntheses and Characterization of Polyimidosulfate Complexes

“…[45] Several years later Roesky et al obtained a Te(NtBu)4 (I) species in the reaction of tellurium chloride with bis[tertbutyl(lithio)amino]phenylboran. [46] Like H this tellurium(IV) compound decomposed at 195°C forming elementary tellurium. [46] Moreover, in 1995 Chivers et al…”

“…[46] Like H this tellurium(IV) compound decomposed at 195°C forming elementary tellurium. [46] Moreover, in 1995 Chivers et al…”

“…[48] Figure 1.5: Published selenium-and tellurium polyimido compounds. [44][45][46][47][48] The polyimido (E(NR)4 m-) analogs of the third period contain silicon-and phosphorus ligands. Russell et al presented the tetrakis(imido)phosphate anion (L) in 1997, which is isoelectronic to the phosphate anion PO4 3-(Figure 1.6).…”