Ten alkoxy yttrium monomers with double bond,Y(OR) 3-n(OCOCH=CHCOOR).(n=1 or 2,R=alkyl),are synthesized.Their molecular structures are determined by analysis of yttrium content,infrared spectra and nuclear magnetic re...Ten alkoxy yttrium monomers with double bond,Y(OR) 3-n(OCOCH=CHCOOR).(n=1 or 2,R=alkyl),are synthesized.Their molecular structures are determined by analysis of yttrium content,infrared spectra and nuclear magnetic resonance spectra展开更多
文摘Ten alkoxy yttrium monomers with double bond,Y(OR) 3-n(OCOCH=CHCOOR).(n=1 or 2,R=alkyl),are synthesized.Their molecular structures are determined by analysis of yttrium content,infrared spectra and nuclear magnetic resonance spectra
