The period-3 behaviors of 105 exons from 20 genes in human were studied by Fourier power spectrum. The results indicated that not all exons show the period-3 be
A new bisbenzofuran analogue Ⅶ was achieved unexpectedly in one step procedure from 1-(4-methoxyphenoxy)acetone I by using Amberlyst 15 resin as catalyst in ex
A convergent strategy to the key allylic silyl ether precursor 4 in our synthetic efforts toward morphinan alkaloid is presented. The vital step is the selectiv
A series of novel rhenium(Ⅰ) 2,2'-bipyridyl complexes [fac-Re(4,4'-di-COOEt-bpy)-(CO)3(Xpy)PF6], where bpy is 2,2'-bipyridine, py is pyridine and X