Khan, Shafiq A.; Plieninger, Hans published an article about the compound: Ethyl 3,5-Dimethyl-2-pyrrolecarboxylate( cas:2199-44-2,SMILESS:O=C(C1=C(C)C=C(C)N1)OCC ).Name: Ethyl 3,5-Dimethyl-2-pyrrolecarboxylate. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:2199-44-2) through the article.
Tripyrrincarboxylic acid I was prepared from pyrrole II by condensation with Me3CCHO and HI to give iodo derivative III which was reduced to IV. SO2Cl2 reacted with IV to give V, which was hydrolyzed to aldehydic acid VI. This condensed with 3,4-dimethyl-3-pyrrolin-2-one to pyrromethenone VII, which was decarboxylated to VIII. VI condensed with VIII to give I. Metal complexes of I are soluble in most organic solvents even after crystallization
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com