Awesome and Easy Science Experiments about 3,4,5-Trimethoxybenzaldehyde

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New discoveries in chemical research and development in 2021, Some examples of the diverse research done by chemistry experts include discovery of new medicines and vaccines, and development of new chemical products and materials. 86-81-7, Name is 3,4,5-Trimethoxybenzaldehyde, SMILES is O=CC1=CC(OC)=C(OC)C(OC)=C1, in an article , author is Kalogirou, Andreas S., once mentioned of 86-81-7, Recommanded Product: 3,4,5-Trimethoxybenzaldehyde.

Readily available 3-bromoisothiazole-5-carbonitriles bearing various C-4 substituents [H, CO2R C N and halogen (CI or Br)], react with either pyrrolidine or morpholine to give, in most cases, the 3-amino-substituted derivatives in high yields. The reaction of 3-bromoisothiazole-4,5-dicarbonitrile, however, varied with the nucleophilicity of the dialkylamine: pyrrolidine led to cleavage of the isothiazole ring to give 2-[di(pyrrolidin-1-yl)methylene]malononitrile while morpholine led to the expected 3-(morpholin-4-yl)isothiazole-4,5-dicarbonitrile. By comparison, 3-chloroisothiazole-4,5-dicarbonitrile reacted with pyrrolidine to give surprisingly, 3-chloro-5-(pyrrolidin-1-yl)isothiazole-4-carbonitrile as the major product, while with morpholine the major product was the expected 3-(morpholin-4-yl)isothiazole-4,5-dicarbonitrile. The mechanisms of the transformations are discussed, together with rationalization for the formation of side products. Furthermore, the hydrolytic decarboxylation of methyl and ethyl esters of 3-dialkylaminoisothiazoles using both conventional heating and microwave irradiation is reported. (C) 2014 Elsevier Ltd. All rights reserved.

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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com