In a recent letter, Cui, Duan and Chan propose a generalisation of the Scott-Barreto method to build a larger family of MNT curves, and they claim that their proposal is also applicable to other curve construction methods. Here we show that the Cui-Duan-Chan technique is irrecoverably flawed.

Autonomous Behavior Agent Hehua Ju , Pingyuan Cui , Hutao Cui, Wuiren Wu, Yulong Tian and Liangrui Zhang School of Electronic Information & Control Engineering, Beijing University of Technology, China Deep Space Exploration Research Center, Harbin Institute of Technology, China Commission of Science Technology & Industry for National Defense, China Email: [email protected] Tel: 86-0451-86418020 F...

Dr. Z. Chen, Dr. C. Wang, J. Lopez, Prof. Z. Bao Department of Chemical Engineering Stanford University Stanford , CA 94305 , USA E-mail: [email protected] Dr. Z. Lu, Prof. Y. Cui Department of Materials Science and Engineering Stanford University Stanford , CA 94305 , USA E-mail: [email protected] Prof. Y. Cui Stanford Institute for Materials and Energy Sciences SLAC National Accelerator Labo...

The Cu(I)-catalyzed N,N'-diarylation of natural diamines and polyamines such as putrescine, cadaverine, spermine, spermidine and their homologues is described. Aryl iodides bearing electron-donating and electron-withdrawing groups have been employed in the study. The CuI/2-(isobutyryl)cyclohexanone/DMF catalytic system has found to be more efficient in the diarylation of diamines and spermine w...