849413-64-5Relevant academic research and scientific papers
Preparation of osmium η3-allenylcarbene complexes and their uses for the syntheses of osmabenzyne complexes
Wen, Ting Bin,Lee, Ka-Ho,Chen, Jiangxi,Hung, Wai Yiu,Bai, Wei,Li, Huacheng,Sung, Herman H. Y.,Williams, Ian D.,Lin, Zhenyang,Jia, Guochen
, p. 1514 - 1525 (2016/06/09)
Treatment of OsCl2(PPh3)3 with HCCAr (Ar = Ph, p-tolyl) produced the 3-allenylcarbene complexes OsCl2(ξ =CAr- 2-CH=CHAr)(PPh3)2. Reactions of the 3-allenylcarbene complexes with gold alkynyls Au(Cξ -CR)(PPh3) (R = Ph, p-tolyl, TMS, nBu, CH(OEt)2) or copper(I) alkynyls Cu(C CR) (R = Ph, TMS) in the presence of HNEt3Cl produced the osmabenzynes Os{ CC(R)ξ - =C(CH2Ar)CHξ - =CAr}Cl2(PPh3)2. Computational studies suggest that the osmabenzynes are formed through electrocyclization of osmium alkynyl-allenylcarbene intermediates followed by protonation with HNEt3Cl.
Syntheses of metallabenzynes from an allenylcarbene complex
Ting, Bin Wen,Wai, Yiu Hung,Sung, Herman H. Y.,Williams, Ian D.,Jia, Guochen
, p. 2856 - 2857 (2007/10/03)
Treatment of the allenylcarbene complex OsCl2(=CPh-CH=C=CHPh)(PPh3)2 with (PPh3)AuC≡CR in the presence of HNEt3Cl in CH2Cl2 produces osmabenzynes Os(≡CC(R)=
