Add time:07/29/2019         Source:sciencedirect.com

The high surface area three-dimensional porous catalyst has been prepared and characterized by TEM, BET S.A, low angle XRD, 29Si MAS NMR, NH3 TPD techniques. A simple, efficient and rapid method for the green synthesis of α-aminonitriles has been demonstrated over a new mesoporous gallosilicate catalyst Ga-TUD-1. The solventless technique has been applied for the synthesis of a range of compounds with variable functionality with excellent yield and selectivity. The catalyst has been recycled four times with reproducible yield.

▶ Ga-TUD-1, a new mesoporous catalyst developed by non hydrothermal sol–gel method. ▶ Characterized by TEM, atom mapping, XRD, NH3 TPD, 29Si NMR, BET SSA method. ▶ Found to be highly acidic having large number of Bronsted and Lewis acid sites. ▶ The catalyst applied in multicomponent organic synthesis of α-aminonitriles. ▶ Reused several times with reproducible activity.

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