Safety of Ethyl 3,5-Dimethyl-2-pyrrolecarboxylate. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Ethyl 3,5-Dimethyl-2-pyrrolecarboxylate, is researched, Molecular C9H13NO2, CAS is 2199-44-2, about Selective β-chlorination of 1-benzoyl-2-ethoxycarbonyl-3,5-dimethylpyrrole with iodobenzene dichloride. Preparation of ethyl 4-chloro-3,5-dimethylpyrrole-2-carboxylate. Author is Angelini, Giancarlo; Sleiter, Giancarlo.
Chlorination of I (R = H, R1 = Bz) with PhI+ClCl- in CHCl3 at -15° in the dark, followed by debenzoylation of the product gave I (R = Cl, R1 = H). Reaction of I ( R = R1 = H) with Cl, SO2Cl2, or PhI+ClCl- in CHCl3 or ether at low temperature resulted in simultaneous chlorination of both the β-position and the α-methyl group.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com