A seven-membered aluminum sulfur allenyl heterocycle arising from the conversion of an aluminacyclopropene with CS2.
The reaction of an aluminacyclopropene LAl[eta2-C2(SiMe3)2] (1, L = HC(CMeNAr)2, Ar = 2,6-iPr2C6H3) with CS2 in the temperature range from -78 degrees C to room temperature affords the first seven-membered aluminum sulfur-containing heterocyclic compound [LAl]2(mu-S)[eta2-SC(SiMe3)=C=C(SiMe3)] (2) bearing an allenyl group. The structural characterization of 2 and the analogous compound LAl[OC(O)C2(SiMe3)2] (3) of the proposed intermediate A and the variable-temperature 1H NMR kinetic study of this reaction may give a better understanding on this unusual conversion.
Institut für Anorganische Chemie der Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany.
Hongping
H
Zhu
Jianfang
J
Chai
Qingjun
Q
Ma
Vojtech
V
Jancik
Herbert W
HW
Roesky
Hongjun
H
Fan
Regine
R
Herbst-Irmer
D000535:Aluminum / Q000737:chemistry*; D002246:Carbon Disulfide / Q000737:chemistry*; D003521:Cyclopropanes / Q000737:chemistry*; D006571:Heterocyclic Compounds / Q000138:chemical synthesis*; D007700:Kinetics; D009682:Magnetic Resonance Spectroscopy; D009942:Organometallic Compounds / Q000138:chemical synthesis*; D013455:Sulfur / Q000737:chemistry*
D003521:Cyclopropanes; D006571:Heterocyclic Compounds; D009942:Organometallic Compounds; D013455:Sulfur; C021985:cyclopropene; D000535:Aluminum; D002246:Carbon Disulfide