'novel calix 4 pyrrole octahydrazide, metal nanoparticles derived from it and use of the nanoparticles'

摘要

The present invention relates to novel calix(4]pyrrole octahydrazide of formula (A) and process for the preparation thereof. The present invention also relates to the use of calix[4]pyrrole octahydrazide (CPOH) of formula (A) in the preparation of water dispersible stable metal nano particles.