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We are reporting the synthesis, characterization, and calf thymus DNA binding studies of novel chiral macrocyclic Mn(III) salen complexes S‐1, R‐1, S‐2, and R‐2. These chiral complexes showed ability to bind with DNA, where complex S‐1 exhibits the highest DNA binding constant 1.20 × 106 M−1. All the compounds were screened for superoxide and hydroxyl radical scavenging activities; among them, complex...
The active catalysts for the enantioselective ring opening (ARO) of meso‐stilbene oxide, cis‐butene oxide, cyclohexene oxide, cyclopentene oxide, and cyclooctene oxide with various substituted anilines were generated in situ by the reaction of Ti(OiPr)4 with poly‐[(R,R)‐N,N′‐bis‐{3‐(1,1‐dimethylethyl)‐5‐methylene salicylidene} cyclohexane‐1,2‐diamine]‐1 and (1R,2R)‐N,N′‐bis[3,5‐di(tert‐butyl)salicylidene]...
Polymeric and monomeric V(V) chiral salen complexes‐catalyzed enantioselective ethyl cyanoformylation of aldehydes using ethyl cyanoformate as a source of cyanide was accomplished in the presence of several basic cocatalysts viz., NaOH, KOH, basic Al2O3 and hydrotalcite. Excellent yield (>95%) of chiral ethyl cyanohydrincarbonate with high enantioselectivity up to 94% was achieved in 24–36 h when...
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