3-Acetyltropolone(1)reacted with 2-hydroxybenzaldehyde(2a),2-hydroxy -5-methylbenzaldehyde(2b),5-chloro-2-hydroxybenzaldehyde(2c)and 2-hydroxy-l- naphthaldehyde in presence of ethylformate and perchloric acid to give ...3-Acetyltropolone(1)reacted with 2-hydroxybenzaldehyde(2a),2-hydroxy -5-methylbenzaldehyde(2b),5-chloro-2-hydroxybenzaldehyde(2c)and 2-hydroxy-l- naphthaldehyde in presence of ethylformate and perchloric acid to give the corr- esponding pyranylium tropolone perchlorate.展开更多
Compound(Ph_4P)[V_3MP_6](MPH_2=o-HOC_6H_4SH)was obtained by reaction of VCl_3 and Na_2MP in ethanol in the presence of Ph_4PBr.It is triclinic and crystallizes in space group P1,fw=1237.3,a=14.127(4), b=14.342(4),c=15...Compound(Ph_4P)[V_3MP_6](MPH_2=o-HOC_6H_4SH)was obtained by reaction of VCl_3 and Na_2MP in ethanol in the presence of Ph_4PBr.It is triclinic and crystallizes in space group P1,fw=1237.3,a=14.127(4), b=14.342(4),c=15.878(4);α=65.08(2),β=73.09(2),T=78.68(2)°;V=2781.3~3, Z=2,d_c=1.48 g/cm^3.Final R factor is 0.063.The three vanadium atoms are linearly arranged and bridged by the oxygen atoms and terminally chelated by the thiolato-atoms of the six MP^2-ligands in pseudo-S_6 symmetry.展开更多
文摘3-Acetyltropolone(1)reacted with 2-hydroxybenzaldehyde(2a),2-hydroxy -5-methylbenzaldehyde(2b),5-chloro-2-hydroxybenzaldehyde(2c)and 2-hydroxy-l- naphthaldehyde in presence of ethylformate and perchloric acid to give the corr- esponding pyranylium tropolone perchlorate.
文摘Compound(Ph_4P)[V_3MP_6](MPH_2=o-HOC_6H_4SH)was obtained by reaction of VCl_3 and Na_2MP in ethanol in the presence of Ph_4PBr.It is triclinic and crystallizes in space group P1,fw=1237.3,a=14.127(4), b=14.342(4),c=15.878(4);α=65.08(2),β=73.09(2),T=78.68(2)°;V=2781.3~3, Z=2,d_c=1.48 g/cm^3.Final R factor is 0.063.The three vanadium atoms are linearly arranged and bridged by the oxygen atoms and terminally chelated by the thiolato-atoms of the six MP^2-ligands in pseudo-S_6 symmetry.