Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 82911-69-1, Name is N-(9-Fluorenylmethoxycarbonyloxy)succinimide, molecular formula is C19H15NO5, belongs to thiazines compound, is a common compound. In a patnet, author is Dwivedi, Vikas, once mentioned the new application about 82911-69-1, Recommanded Product: 82911-69-1.
A stereoselective thiocyanate conjugate addition to electron deficient alkynes and concomitant cyclization to N, S-heterocycles
A regio- and stereoselective thiocyanate addition to ynones is achieved using KSCN in AcOH at 70 degrees C. The reaction is extendable to ynals, ynesulfones, ynoic acids and ynoates. Adducts from ynones were readily transformed into thiazine-2-thione derivatives under slightly modified reaction conditions. In contrast, thiocyanated adducts from ynamides underwent an in situ decyanative amido cyclization towards isothiazolones. None of these events needed any transition metal or catalyst, attaining a high synthetic value.
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Reference:
Thiazine – an overview | ScienceDirect Topics,
,Thiazine | C4H5NS – PubChem