Synthesis, antiproliferation, and docking studies of N-phenyl-lipoamide and 8-mercapto-N-phenyloctanamide derivatives: effects of C6 position thiol moiety
摘要:
Some N-phenyl lipoamide and 8-mercapto-N-phenyloctanamide derivatives were synthesized and their in vitro antiproliferative activity was evaluated. The experimental results indicated that 8-mercapto-N-phenyloctanamides might be good histone deacetylase inhibitors rather than N-phenyl lipoamides, who had thiol moiety at C6 position. To verify the antiproliferation data on structural basis, in silico docking studies of the representative compounds into the crystal structure of histone deacetylase-like protein using AutoDock 4.0 program were performed. Furthermore, sulfur acetylated 8-mercapto-N-phenyloctanamide improved its in vitro antiproliferative activity, probably due to the increasing of its cell membrane permeability. While the identification of enzymatic target of N-phenyl lipoamides with dithiolane is still ongoing.
Highly frustrated liquid crystal phases in optically active dimers: synthesis and rich phase transitional behavior
作者:Rashmi Ashwathama Nayak、Sachin A. Bhat、G. Shanker、D. S. Shankar Rao、C. V. Yelamaggad
DOI:10.1039/c8nj03520b
日期:——
vital role in deciding the phase sequences of the dimers. In general, the dimers possessing an even-parity spacer display enantiotropic LC phases such as chiral nematic (N*), twist grain boundary (TGB), smectic A (SmA), chiral smectic C (SmC*) and twist grain boundary phase with SmC* slabs (TGBC*). Some of these dimers display TGBC* over a wide temperature range. The dimers with an odd-parity (5-oxypentanoyl)
Light‐Emitting Chiral Nematic Dimers with Anomalous Odd‐Even Effect
作者:B. N. Veerabhadraswamy、Sachin A. Bhat、Uma S. Hiremath、Channabasaveshwar V. Yelamaggad
DOI:10.1002/cphc.201900716
日期:2019.11.5
n‐alkoxy tails for a fixed (odd or even) parity of the spacer. The detailed investigations using complementary techniques not only evidenced the existence of the N* phase in all the dimers synthesized but also the occurrence of an intriguing odd‐eveneffect; blue phases (BPs) exist in all the dimers comprising even‐membered spacer, which surprisingly remains totally absent in their odd‐membered counterparts
New chiral dimers consisting of a rod‐like and cholesterol mesogenic units are reported to form a chiral twist‐bend nematicphase (NTB*) with heliconical structure. The compressibility of the NTBphase made of bent dimers was found to be as large as in smectic phases, which is consistent with the nanoperiodic structure of the NTBphase. The atomic force microscopy observations in chiral bent dimers
Non-symmetric dimers comprising chalcone and cholesterol entities: an investigation on structure–property correlations
作者:Ammathnadu S. Achalkumar、Doddamane S. Shankar Rao、Channnabasaveshwar V. Yelamaggad
DOI:10.1039/c4nj00426d
日期:——
Non-symmetric chiral dimers comprising chalcone and cholesterol entities have been prepared and studied for their structure property relations.
非对称手性二聚体由香豆素和胆固醇单元组成,已经制备并研究了它们的结构性质关系。
Synthesis and biological characterisation of sirtuin inhibitors based on the tenovins
作者:Anna R. McCarthy、Lisa Pirrie、Jonathan J. Hollick、Sebastien Ronseaux、Johanna Campbell、Maureen Higgins、Oliver D. Staples、Fanny Tran、Alexandra M.Z. Slawin、Sonia Lain、Nicholas J. Westwood
DOI:10.1016/j.bmc.2012.01.001
日期:2012.3
considerable interest in inhibitors of this enzyme family due to possible applications in both cancer and neurodegenerative disease therapy. Through the synthesis of novel tenovin analogues, further insights into the structural requirements for activity against the sirtuins in vitro are provided. In addition, the activity of one of the analogues in cells led to an improved understanding of the function of