A study on change of contents and distribution of the rare earths in roasted tobacco plant and effects on chemical composition in roasted tobacco leaves of the rare earths was reported.The results indicate that the co...
The title compound was synthesized with calix [4] arene and 3,4 dihexadecyloxy benzenediazomium tetrafluoroborate. Its structure was elucidated with elementary analysis, IR and 1 HNMR, and their properties relevant to...
The 6bromo1,3benzodiozole4carbonaldehyde was synthesized by using 2hydroxy3methoxy benzaldehyde as an original reactant, through three steps of bromination, demethylation and methylenation. The title compound was iden...