Product Details of 616-43-3. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 3-Methyl-1H-pyrrole, is researched, Molecular C5H7N, CAS is 616-43-3, about Improved preparation of 3-methylpyrrole. Laboratory note. Author is Elguero, Jose; Jacquier, Robert; Shimizu, Bernard.
An improved synthesis of 3-methylpyrrole (I) and the N.M.R. spectra of the intermediates and product are given. Thus, 20 g. 3-carbethoxy-4-methyl-2-pyrrolecarboxylic acid is refluxed 1 hr. with 300 ml. 40% KOH, cooled, acidified with dilute HCl, filtered, washed with water, and dried to give 70% 4-methylpyrrole-2,3-dicarboxylic acid (II), m. 225°. II (12 g.) is added to 1 g. powd. Cu and heated under 50 mm. to dist. 87% I.
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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate