نتایج جستجو برای: bisindolyl methanes
تعداد نتایج: 287 فیلتر نتایج به سال:
A new green synthesis and anti-tumor activity of the series of bis (3-arylimidazolidinyl-1) methanes 1 6 are described. The compounds were synthesized from the corresponding N-arylethylenediamine and trioxane as sources of formaldehyde and the reactions were performed in heterogeneous phase catalyzed by an acidic ion-exchange resin (Amberlyst 15). The compounds were tested with the Sulforhodami...
Ab initio calculations at the G2 level were used in a theoretical description of the kinetics and mechanism of the hydrogen abstraction reactions from fluoro-, chloro- and bromomethane by chlorine atoms. The profiles of the potential energy surfaces show that mechanism of the reactions under investigation is complex and consists of two - in the case of CH3F+Cl - and of three elementary steps fo...
The synthesis and stability of two bis(iminophosphoryl) substituted lithium chloride carbenoids with different N-substituents (tolyl and adamantyl) were examined. Their preparation was accomplished via the mild oxidation of the corresponding dilithio bis(iminophosphoryl) methandiides, BIPM(Tol) and BIPM(Ad), which are easily accessible by direct double deprotonation. In the case of the adamanty...
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