Bi(OTf)3 as a Highly Potent Catalyst for the Synthesis of Mannich Bases under Milder Conditions
Journal: Journal of Applied Organometallic Chemistry (Vol.2, No. 1)Publication Date: 2022-01-01
Authors : Somnath Udgire; Milind Gaikwad; Prakash Patil;
Page : 31-38
Keywords : Bi(OTf)3; one-pot three-component; greener; Mannich reaction;
Abstract
A simple, eco-friendly friendly and efficient procedure for the synthesis of Mannich Baseshas been developed via multi-component and one-pot reactions of various aldehydes with aniline, and acetophenone and catalytic amount of Bi(OTf)3 reagent in a DCM solvent.The Bi(OTf)3 acts as a highly potent catalyst ( 0.5 to 1 mol%) for a for the synthesis of Mannich base (1,3-diphenyl-3-(phenylamino)propan-1-one). This protocol is also compatible with a variety of hetero aldehyde carbonyl compounds in excellent yields. Thus, this practical method is developed as a notable medium for these derivatives via a multicomponent reaction.
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