Bis(aren)eisen 1a - e (Aren = p-Xylol, Toluol, Benzol, Benzotrifluorid, 1,4-Difluorbenzol) reagieren im Temperaturbereich von - 100 bis -60°C mit 3,4-Diethyl-2,5-dihydro-2,5-di-methyl-1,2,5-thiadiborol (Thiadiborolen, 2) zu reaktiven Zwischenverbindungen, die durch Zersetzung bei -30°C (?6-Aren)(?5-thiadiborolen)eisen 3a - e ergeben. Alternativ gelingt die Synthese über Aren-bis(ethen)eisen 4a, c (Aren = p-Xylol, Benzol), welche bei tiefen Temperaturen aus 1a, c und Ethen darstellbar sind. Reaktionen, spektroskopische Daten und die Kristallstruktur von (?6-Benzol)(?5-thiadiborolen)eisen (3c) werden mitgeteilt. Reactive ?-Complexes of the Group VIII Transition Metals, I. (?6-Arene)(?5-2,5-dihydro-1,2,5-thiadiborol)iron: Syntheses from Bis(arene)iron and Arene-bis(ethene)iron Bis(arene)iron 1a - e, (arene = p-xylene, benzene, benzotrifluoride, 1,4-difluorobenzene) react in the temperature range of -100 to -60°C with 3,4-diethyl-2,5-dihydro-2,5-dimethyl-1,2,5-thiadiborole (thiadiborolene, 2) to form reactive intermediates which decompose at -30°C and (?6-arene)(?5-thiadiborolene)iron 3a - e are obtained. Alternatively, the synthesis is achieved via arene-bis(ethene)iron 4a,c (arene = p-xylene, benzene), which is formed from 1a,c and ethene at low temperature. Reactions, spectroscopic data, and the crystal structure of (?6-benzene)(?5-thiadiborolene)iron (3c) are reported.
Reaktive p-Uebergangsmetallkomplexe der 8. Nebengruppe, I (Aren)(2,5-dihydro-1,2,5-thiadiborol)eisen:Synthesen aus Bis(aren)eisen and Aren-bis(ethen)eisen
Suber Lorenza;
1986
Abstract
Bis(aren)eisen 1a - e (Aren = p-Xylol, Toluol, Benzol, Benzotrifluorid, 1,4-Difluorbenzol) reagieren im Temperaturbereich von - 100 bis -60°C mit 3,4-Diethyl-2,5-dihydro-2,5-di-methyl-1,2,5-thiadiborol (Thiadiborolen, 2) zu reaktiven Zwischenverbindungen, die durch Zersetzung bei -30°C (?6-Aren)(?5-thiadiborolen)eisen 3a - e ergeben. Alternativ gelingt die Synthese über Aren-bis(ethen)eisen 4a, c (Aren = p-Xylol, Benzol), welche bei tiefen Temperaturen aus 1a, c und Ethen darstellbar sind. Reaktionen, spektroskopische Daten und die Kristallstruktur von (?6-Benzol)(?5-thiadiborolen)eisen (3c) werden mitgeteilt. Reactive ?-Complexes of the Group VIII Transition Metals, I. (?6-Arene)(?5-2,5-dihydro-1,2,5-thiadiborol)iron: Syntheses from Bis(arene)iron and Arene-bis(ethene)iron Bis(arene)iron 1a - e, (arene = p-xylene, benzene, benzotrifluoride, 1,4-difluorobenzene) react in the temperature range of -100 to -60°C with 3,4-diethyl-2,5-dihydro-2,5-dimethyl-1,2,5-thiadiborole (thiadiborolene, 2) to form reactive intermediates which decompose at -30°C and (?6-arene)(?5-thiadiborolene)iron 3a - e are obtained. Alternatively, the synthesis is achieved via arene-bis(ethene)iron 4a,c (arene = p-xylene, benzene), which is formed from 1a,c and ethene at low temperature. Reactions, spectroscopic data, and the crystal structure of (?6-benzene)(?5-thiadiborolene)iron (3c) are reported.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.


