Results 61 to 70 of about 2,189,828 (267)
Molecules, 2013 The first chemical synthesis of the natural triterpenoid saponin Patrinia-glycoside B-II, namely oleanolic acid 3-O-α-L-rhamnopyranosyl-(1→2)-[β-D-gluco-pyranosyl-(1→3)]-α-L-arabinopyranoside, has been accomplished in a linear 11-step sequence 11 with 9.
Li Ren +6 more
doaj +1 more source
A Cation-π Interaction Discriminates among Sodium Channels That Are Either Sensitive or Resistant to Tetrodotoxin Block [PDF]
, 2007 Voltage-gated sodium channels control the upstroke of the action potential in excitable cells of nerve and muscle tissue, making them ideal targets for exogenous toxins that aim to squelch electrical excitability.
Ahern, Christopher A. +4 more
core +2 more sources
Persistence of benthiocarb in soil: influence of ultraviolet and sunlight
Orbital: The Electronic Journal of Chemistry, 2008 Persistence of benthiocarb in soil as affected by UV and sunlight exposure was studied. Treated soil was placed in petri plate, brought to field capacity moisture and then exposed to UV and sunlight.
Md. Wasim Aktar +2 more
doaj
N,N-bis-(dimethylfluorosilylmethyl)amides of N-organosulfonylproline and sarcosine: synthesis, structure, stereodynamic behaviour and in silico studies [PDF]
, 2016 (O→Si)-Chelate difluorides R3R2NCH(R1)C(O)N(CH2SiMe2F)2 (9a–c, R1R2 = (CH2)3, R3 = Ms (a), Ts (b); R1 = H, R2 = Me, R3 = Ms (c)), containing one penta- and one tetracoordinate silicon atoms were synthesized by silylmethylation of amides R3R2NCH(R1)C(O ...
Arkhipov, Dmitry E. +10 more
core +1 more source
Orbital: The Electronic Journal of Chemistry, 2008 Chlorpyriphos 20 EC was applied at the rate of 500 g a.i. ha-1 in Cabbage heads and the samples harvested at intervals of 0 (2 hours after application), 1 and 7 days after application.
Md. Wasim Aktar +3 more
doaj
Polymers Interfacing with Biology
CHIMIA, 2011 The development of various controlled radical polymerization techniques as well as site- and residue specific strategies to modify peptides/proteins with synthetic polymers have made polymer chemistry a powerful tool to address materials ...
Frederik Wurm, Harm-Anton Klok
doaj +1 more source
Frontiers in Biomaterials Science, 2023 Nature has evolved adhesive materials adaptive for several different environments by using versatile chemistry that largely relies on two simple components: catechols and polypeptides.
Marco Lo Presti +9 more
doaj +1 more source
Crystal structure of a pre-chemistry viral RNA-dependent RNA polymerase suggests participation of two basic residues in catalysis [PDF]
, 2022 Rui Li, Meihua Wang, Peng Gong
openalex +1 more source
Iron-mediated Preparation of Vinylcyclopropanes. Scope, Mechanism, and Applications [PDF]
, 2003 The addition of stabilized carbon nucleophiles to tricarbonyl(1-methoxycarbonylpentadienyl)iron(1+) cation (1a) proceeds via attack at C2 on the face of the ligand opposite the Fe(CO)3 group to generate tricarbonyl(pentenediyl)iron complexes 2. Oxidation
Cao, Yeyu +3 more
core +1 more source
Uncovering the Mechanism of Aggregation of Human Transthyretin. [PDF]
, 2015 The tetrameric thyroxine transport protein transthyretin (TTR) forms amyloid fibrils upon dissociation and monomer unfolding. The aggregation of transthyretin has been reported as the cause of the life-threatening transthyretin amyloidosis.
Cascio, Duilio +9 more
core +2 more sources