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. 2021 Aug 23;24(9):103028. doi: 10.1016/j.isci.2021.103028

Scheme 1.

Scheme 1

Two routes for synthesis of p-MBA

(A) A conventional industrial route.

(B and C) A biomass-derived acetaldehyde route. o-MBA was reported as a major product using heterogeneous catalysts. p-MBA was synthesized using amines in this work.