https://www.selleckchem.com/pr....oducts/Sodium-butyra
Density functional theory (DFT) calculations were performed to investigate the mechanism and the enantioselectivity of the aza-Henry reaction of isatin-derived ketimine catalyzed by chiral guanidine-amide catalysts at the M06-2X-D3/6-311+G(d,p)//M06-2X-D3/6-31G(d,p) (toluene, SMD) theoretical level. The catalytic reaction occurred via a three-step mechanism (i) the deprotonation of nitromethane by a chiral guanidine-amide catalyst; (ii) formation of C-C bonds; (iii) H-transfer from guanidine to ketimine, accompanied with the reg
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