Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 637-01-4, Name is N1,N1,N4,N4-Tetramethylbenzene-1,4-diamine dihydrochloride, molecular formula is C10H18Cl2N2. In an article, author is Chciuk, Tesia V.,once mentioned of 637-01-4, Product Details of 637-01-4.
The organocatalytic cyclization of propargylic amines/amides with carbonyl sulfide (COS) was firstly achieved by employing COS adducts of Lewis base (LB) as organocatalysts, affording various functionalized 1,3-thiazolidine-2-ones, and 1,3-thiazolidine-2,4-diones derivatives in a highly chemo- and stereoselective manner. The isotope labeling and stoichiometric experiments suggested the LB-COS adducts preferentially mediated basic ionic pair mechanism. Furthermore, the practical application of this methodology was highlighted by the highly efficient synthesis of rosiglitazone using COS as sulfur source.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics