A simple two-step method was developed to prepare silver nanoshells coated on silica paticles. The method involves two steps: concentration of reaction precurso
The structure of syn- and anti-Nb-(p-toluenesulfonyl)-3a-hydroxyl-1, 2, 3, 3a, 8, 8a-hexahydro pyrrolo[2,3-b] indole-2-carboxylic t-butyl ester was stereoselect