Synthesis of butyl 4-[4-hydroxy(alkanoyloxy, aroyloxy)benzylideneamino]benzoates was written by Dikusar, E. A.;Kozlov, N. G.;Potkin, V. I.. And the article was included in Russian Journal of Organic Chemistry in 2008.Application of 20665-85-4 This article mentions the following:
A series of Schiff bases containing ether and ester groups, e.g., I (R1 = Me, Et; R2 = H, Ac, etc), were synthesized by reactions of Bu 4-aminobenzoate with vanillin and 3-ethoxy-4-hydroxybenzaldehyde and their esters. In the experiment, the researchers used many compounds, for example, 4-Formyl-2-methoxyphenyl isobutyrate (cas: 20665-85-4Application of 20665-85-4).
4-Formyl-2-methoxyphenyl isobutyrate (cas: 20665-85-4) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Application of 20665-85-4
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics