Electric Literature of 21436-03-3, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.21436-03-3, Name is (1S,2S)-Cyclohexane-1,2-diamine, molecular formula is C6H14N2. In a patent, introducing its new discovery.
One-step synthesis and association of alkylimidovanadium(V) compounds
One-step synthesis of alkylimidovanadium(V) triisopropoxides was demonstrated by the reaction of the corresponding alkylamines with [VO(Oi-Pr)3] in the presence of sodium hydride as a base under relatively mild conditions. From the reaction of 1-adamantylamine, [V(adN)(Oi-Pr)3] (ad: 1-adamantyl) was obtained. The chiral mononuclear compound having the amino moiety, [V(2-NH2C 6H10N)(Oi-Pr)3], was synthesized from the reaction of (1R,2R)- or (1S,2S)-1,2-cyclohexanediamine with a stoichiometric amount of [VO(Oi-Pr)3]. In a solid state, [V(2-NH2C 6H10N)- (Oi-Pr)3] is present in a polymeric molecular arrangement through the intermoleculer coordination interaction of the amino group to the vanadium metal center. The use of trans-1,4- cyclohexanediamine resulted in the binuclear compound [{V(Oi-Pr) 3}2(mu-trans-1,4-C6H10N 2)], which forms an alkoxide-bridged polymeric structure. Crystallization of a 1:1 mixture of [{V(Oi-Pr)3}2(mu- trans-1,4-C6H10N2)] and trans-1,4- cyclohexanediamine gave the 1:1 complex having a polymeric arrangement based on the coordination of the amino groups.
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Chiral Catalysts,
Chiral catalysts – SlideShare