Syntheses, Reactivity, and X‐ray Structure Analyses of the Dimeric Pentaphosphides [(
            <i>t</i>
            Bu
            <sub>3</sub>
            Si)
            <sub>3</sub>
            P
            <sub>5</sub>
            M
            <sub>2</sub>
            ]
            <sub>2</sub>
            (M = Na, Ag) and the Bicyclo[2.1.0]pentaphosphane (
            <i>t</i>
            Bu
            <sub>3</sub>
            Si)
            <sub>3</sub>
            P
            <sub>5</sub>
                                
                                    
                                        作者:Hans‐Wolfram Lerner、Günter Margraf、Linda Kaufmann、Jan W. Bats、Michael Bolte、Matthias Wagner                                    
                                    
                                        DOI:10.1002/ejic.200400970
                                    
                                    
                                        日期:2005.5
                                    
                                    AbstractThe sodium pentaphosphide dimer [(tBu3Si)3P5Na2(THF)]2 has been synthesized in high yield from the reaction of four equivalents of the sodium silanide tBu3SiNa with P4. X‐ray quality crystals of the sodium pentaphosphide dimer [(tBu3Si)3P5Na2(THF)]2 (monoclinic, P21/n) were grown from benzene. The sodium pentaphosphide (tBu3Si)3P5Na2 can be oxidized with one equivalent of TCNE to give the bicyclo[2.1.0]pentaphosphane (tBu3Si)3P5; it also reacts with AgOCN to give the silver pentaphosphide [(tBu3Si)3P5Ag2]2 (monoclinic, P21/n). Crystals of the pentaphosphane (tBu3Si)3P5 (monoclinic, P21/c) suitable for X‐ray diffraction were obtained from hexane at –25 °C. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)