72931-44-3Relevant academic research and scientific papers
Dual Fluorescence and Ground State Equilibria in Methyl Salicylate, Methyl 3-Chlorosalicylate, and Methyl 3-tert-Butylsalicylate
Acuna, A. U.,Amat-Guerri, F.,Catalan, J.,Gonzalez-Tablas, F.
, p. 629 - 631 (1980)
Fluorescence spectra of methyl 3-chlorosalicylate, methyl 3-tert-butylsalicylate, and o-hydroxyacetophenone in cyclohexane and ethanol at room temperature have been measured, together with the corrected dual fluorescence excitation spectra of gas-phase methyl salicylate.Based on these observations a ground state equilibrium between two tautomers is proposed, both having an intramolecular hydrogen bond.This model is consistent with a number of methyl salicylate H-bond energy estimates.It also allowed an interpretation of the multiple fluorescence emitted from these and related compounds either in solution or in gas phase.
Synthesis method of 5-tert-butyl-2-methyl hydroxybenzoate
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Paragraph 0031-0059, (2020/09/09)
The invention discloses a synthesis method of methyl 5-tert-butyl-2-hydroxybenzoate, and belongs to the technical field of organic synthesis. The synthesis method comprises the following steps of: S1,taking methyl salicylate and tert-butyl alcohol as raw materials, and preparing a mixture of a compound shown as a formula (I), a compound shown as a formula (II) and a compound shown as a formula (III) under the catalytic action of concentrated sulfuric acid; and S2, carrying out a rearrangement reaction on the mixture prepared in the step S1 under the catalysis of Lewis acid, and carrying out post-treatment to prepare a pure compound shown in the formula (I), namely the 5-tert-butyl-2-methyl hydroxybenzoate. The synthesis method of the 5-tert-butyl-2-methyl hydroxybenzoate is low in production cost, novel in preparation route, simple in equipment and easy for industrial production, and can be widely applied to the field of production of fine chemicals.
