Access to Metal-Bridged Osmathiazine Derivatives by a Formal [4+2] Cyclization was written by Li, Jinhua;Lin, Yu-Mei;Zhang, Hong;Chen, Yuan;Lin, Zhenyang;Xia, Haiping. And the article was included in Chemistry – A European Journal in 2019.Synthetic Route of C4H7NS The following contents are mentioned in the article:
Treatment of osmacyclopentadiene derivatives 1 with Ph or iso-Pr isothiocyanate gave the fused five and six-membered osmacycles 2–5 by a formal [4+2] cyclization. The facile protonation of the newly generated exocyclic imine in complexes 2–5 afforded conjugation-extended osmacycle derivatives 6–9. Compounds 2–9 each contain two main-group heteroatoms (N and S) in the fused six-membered ring located at the ortho (for S) and para (for N) positions relative to the osmium center; these species can be regarded as rare osma-1,3-thiazine derivatives and represent the first fused metallathiazine derivatives In contrast to the non-planar organic 6H-1,3-thiazine, nearly coplanar metallathiazines 8 and 9 can be achieved by tuning the groups on the two nitrogen atoms. These unique metal-bridged osma-1,3-thiazine derivatives exhibit remarkable stabilities, broad spectral absorptions spanning the visible spectra, and considerable photothermal properties, which suggests their potential applications in material science. This study involved multiple reactions and reactants, such as Isopropylisothiocyanate (cas: 2253-73-8Synthetic Route of C4H7NS).
Isopropylisothiocyanate (cas: 2253-73-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Synthetic Route of C4H7NS
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics