Harish Chopra

harish chopra sliet organic chemistry pericyclic reactions chemistry food technology engineering chemistry cycloaddition reactions photochemistry organic coatings barrier films environment science & engineering chemical engineering mechanical engineering metallurgy environment science & engg chemical technology food science science graduates btech /be (mechanical engg.) ug chemistry b. tech students nanowires nanotubes nanochemistry nanotechnology nanomaterials engineering biology biochemistry food chemistry non-enzymatic browning maillard reaction fbw rearrangement rearrangements 3-dipolar reactions 1 electrocyclic reactions paterno-buchi reaction