Chitosan: a highly efficient renewable and recoverable bio-polymer catalyst for the expeditious synthesis of α-amino nitriles and imines under mild conditions
作者:Mohammad G. Dekamin、Mojtaba Azimoshan、Leila Ramezani
DOI:10.1039/c3gc36901c
日期:——
Bronsted or Lewis acid centers – was found to be a highly efficient renewable and recoverable bio-polymer catalyst for the rapid and convenient synthesis of α-aminonitriles or imines from aromatic aldehydes and amines under mild reaction conditions at room temperature in high to quantitative yields. The α-aminonitrile derivatives were prepared through the Streckerreactionusing trimethylsilyl cyanide
Direct Synthesis of Imines<i>via</i>Solid State Reactions of Carbamates with Aldehydes
作者:Byeongno Lee、Kyu Hyung Lee、Byung Wook Lim、Jaeheung Cho、Wonwoo Nam、Nam Hwi Hur
DOI:10.1002/adsc.201200907
日期:2013.1.25
Various solid carbamates were prepared from the reactions of liquid amines with carbon dioxide in an autoclave and these carbamates were used as stable, efficient alternatives for toxic liquid amines. Solid-state grinding of carbamates and aldehydes, using a mortar and pestle, produced imines as the sole products in greater than 97% yields. Complete conversions were generally accomplished within a
Synthesis and characterization of Ni(II) complexes with functionalized dithiocarbamates: New single source precursors for nickel sulfide and nickel-iron sulfide nanoparticles
supramolecular aggregation. [Ni(dbdtc)2] and [Ni(dbdtc)3][FeCl4] (dbdtc = N,N-dibenzyldithiocarbamate) were used to prepare monometallic sulfide (nickelsulfide), bimetallic sulfide (iron-nickel sulfide) nanoparticles. TEM images of nickelsulfide and iron-nickel sulfide reveal that the particles are oval shape and ultrafine (∼5–10 nm), respectively.
Synthesis, characterization, and antiproliferative and apoptosis inducing effects of novel<i>s</i>-triazine derivatives
作者:Mani Shanmugam、Kuppusamy Narayanan、Kamatam Hari Prasad、Dhanapalan Karthikeyan、Loganathan Chandrasekaran、Raji Atchudan、V. Chidambaranathan
DOI:10.1039/c7nj03348f
日期:——
growth of cancer cells. The selected s-triazine analogs (5c, 5d, and 6c) have been preliminarily studied for their reactive oxygen species (ROS) properties, mitochondrial membrane potential (MMP) and apoptosis (AO/EtBr) activity against the HT-1080 cancer cell line. The in vitro anticancer activity analysis has revealed that the synthesized compounds have good/moderate inhibitory activity against the tested