From the aqueous extract of Acacia catechu, two new phenolic compounds (3R,4R)-3-(3,4-dihydroxyphenyl)-4-hydroxycy-clohexanone (1) and (4R)-5-(l-(3,4-dihydrophe
A mild and efficient method for preparation of novel 2,2-dichloro-1,3-diarylaziridines from Schiff base compounds in the presence of N-cetyl-N,N-trimethyl ammon
Biodiesel was synthesized from soybean oil by transesterification over Li2SiO3 catalyst. The Li2SiO3 can be used for biodiesel production directly without furth
Particulate pollution is main kind of atmospheric pollution.The fine particles are seriously harmful to human health and environment.Acoustic agglomeration is c