New Ge/SiO2 glasses have been synthesized by heating the GeO2/SiO2 dry gels under H2 gas at 700℃. The resulting fluorescence spectra show that this kind of Ge/
Phenylseleno and sulfonyl substituted allyl alcohols were synthesized stereoselectively by the three-component reaction of acetylenic sulfone, phenylselenomagne
The catalytic performances of four HRh(CO)(PPh3)3-diphosphine (BISBI, BDPX,BDNA and BINAP) systems in 1-dodecene hydroformylation were investigated and compared