Career opportunities within science and technology are seeing unprecedented growth across the world, and those who study chemistry or another natural science at university now have increasingly better career prospects. , Related Products of 2235-54-3, 2235-54-3, Name is Ammonium dodecyl sulfate, molecular formula is C12H29NO4S, belongs to thiazines compound. In a document, author is Utsukihara, Takamitsu, introduce the new discover.
Synthesis of dihydro-1,4-thiazine from alpha-keto spiro-thiazolidine
The reaction of alpha-bromocycloalkanone with 2-aminoethanthiol leads to the regioselective formation of spirothiazolidin-2-one with the oxo-group migrating to the original position occupied by the halogen ‘atom. The reaction of 1-thia-4-azaspiro[4.5]alkan-6-one with bromine, iodine, copper (II) salts, acid or base gives dihydro-1,4-thiazine derivatives in moderate yields. Moreover, the treatment of the spiro-thiazolidine derivatives on silica gel under microwave gives the 1,4-thiazine compound.
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Reference:
Thiazine – an overview | ScienceDirect Topics,
,Thiazine | C4H5NS – PubChem