In the current world, issues that pertain to our environment are of especial importance. One of these issues is the pollution caused by chemical compounds during their production process. As a result, finding chemical synthesis methods that are consistent with environmental protocols are also important. The catalytic performance of the a-aminoalkyl-b-naphthol derivative material, in water as a green solvent has been examined in the synthesis via MCR Mannich reaction of aldehydes, b-naphthol, and amines by porous carbon spheres which doped by Nitrogen and Sulfur -NS-PCS- and Ferric Hydrogen Sulfate -FHS-. The catalysts were easily differentiated from the reaction mixture and reused for several consecutive runs without significant loss of their catalytic efficiency.

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