Project supported by the National Natural Science Foundation of China (Nos. 20621062, 20672137, 20732007, 20872167), the National Basic Research Program (No. 2007CB808001) and Chinese Academy of Sciences.
In a preliminary letter (Tetrahedron Lett. 2010, 51, 188), we reported two new hydrazide-based quadruple hydrogen-bonding motifs, this is, two monopodal (la and lb) and five dipodal (2a, 2b and 3a--3c) aromatic ...
supported by the National Natural Science Foundation of China (20732007,20621062,20672137,20872167);the National Basic Research Program of China (2007CB808001);the Science and Technology Commission of Shanghai Municipality (09XD14-05300)
Three arylamide-bridged biscoumarin derivatives 1-3 have been designed and prepared. Compounds 1 and 2 are induced by the intramolecular N?H…O and N·H…F hydrogen bonding to possess a helical conformation,and 3 is i...
Supported by the National Natural Science Foundation of China(Grant Nos. 20732007, 20621062, 20872167, and 20672137);the National Basic Research Project (Grant No. 2007CB808000);the Chinese Academy of Sciences (Grant No. KJCX2-YW-H13)
Two aromatic hydrazide haptamers have been prepared,with both consisting of two hydrogen bonded folded segments. Compared to their fully hydrogen bonded analogues,the flexibility of their backbones increases due to la...
Project supported by the National Natural Science Foundation of China (Nos. 20321202, 20332040, 20672137, and 20425208) and the Major State Basic Research Development Program (No. 2007CB808000).
The complexing behaviour of two linear compounds 1 and 2 toward the trifluoroacetic acid (TFA) salts of n-dodecylamine, di-n-octylamine, n-dodecyl D- and L-phenylalaninates (3, 4, and D- and L-5) in chloroform has...