Aldehydes and imines can efficiently undergo nucleophilic addition reaction with allyltributylstannane in the presence of phosphomolybdic acid supported on silica (PMA/SiO2) under solvent free-conditions to form the corresponding homoallyl alcohols and amines respectively at room temperature in excellent yields. The catalyst can be easily recovered and re-used. Key words: homoallyl alcohol, homoallyl amine, phosphomolybdic ...