Research speed reading in 2021. Healthcare careers for chemists are once again largely based in laboratories, although increasingly there is opportunity to work at the point of care, helping with patient investigation. , Application of 5872-08-2, 5872-08-2, Name is (7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid, molecular formula is C10H16O4S, belongs to thiazines compound. In a document, author is Kobayashi, Kazuhiro, introduce the new discover.
A SIMPLE SYNTHESIS OF 4-HYDROXY-3,4-DIHYDROPYRIDO[3,4-d]PYRIMIDINE-2(1H)-THIONE DERIVATIVES BY THE REACTION OF 3-ISOTHIOCYANATOPYRIDIN-4-YL KETONES WITH PRIMARY AMINES
The reaction of aryl(3-isothiocyanatopyridin-4-yl)methanones, prepared easily from commercially available 3-aminopyridine, with primary amines at room temperature afforded 3-substituted 4-aryl-4-hydroxy-3,4-dihydropyrido[3,4-d]pyrimidine-2(1H)-thiones in good yields. These ketones could be converted to new tricyclic heterocyclic systems, 2,3-dihydro-5H-pyrido[3,4-d]thiazolo [3,2-a]pyrimidine and 3,4-dihydro-2H,6H-pyrido [3′,4′:4,5]-pyrimido[2,1-b] [1,3]thiazine, upon treatment with 2-bromoethanamine hydrobromide and 3-bromopropaneamine hydrobromide, respectively, in the presence two equivalents of triethylamine.
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Reference:
Thiazine – an overview | ScienceDirect Topics,
,Thiazine | C4H5NS – PubChem