Results 41 to 50 of about 81,584 (205)

Phosphine-Catalyzed Asymmetric Cycloaddition Reaction of Diazenes: Enantioselective Synthesis of Chiral Dihydropyrazoles

, 2019
Although carbon–carbon, carbon–nitrogen, and carbon–oxygen double bonds or their combinations have extensively been applied in phosphine-catalyzed asymmetric cycloaddition, a nitrogen–nitrogen double bond has never been investigated in chiral phosphine ...
Bo Wang, Jingyu Li (324429), Yuehua Chen, Bo Wang (86769), Hongchao Guo, Leijie Zhou (1695967), Chang Wang (328274), Yumei Xiao, Hongchao Guo (1538041), Chang Wang, Jingyu Li, Leijie Zhou, Yumei Xiao (1538035), Yuehua Chen (1469683)   +13 more
core   +1 more source

Rapid detection of phosphine resistance in the lesser grain borer, Rhyzopertha dominica (Coleoptera: Bostrychidae) from China using ARMS-PCR

Julius-Kühn-Archiv, 2018
The lesser grain borer, Rhyzopertha dominica is one of the serious cosmopolitan stored grain pests worldwide. High phosphine resistant R. dominica has been reported in several countries.
Lu, Yujie, Zhang, Chenguang, Wang, Zhenyan, Yan, Xiaoping, Emery, Robert N.   +4 more
doaj   +1 more source

Phosphine-Dependent Photoinitiation of Alkyl Thiols under Near-UV Light Facilitates User-Friendly Peptide Desulfurization

, 2023
Peptides are steadily gaining importance as pharmaceutical targets, and efficient, green methods for their preparation are critically needed. A key deficiency in the synthetic toolbox is the lack of an industrially viable peptide desulfurization method ...
Jennifer L. Stockdill (1308897), Ganesh Samala, Janine K. Tom, Naresh M. Venneti, Rana M. I. Morsy (14332995), Albert Isidro-Llobet (1369611), Lawrence G. Mendoza (14332998), Rana M. I. Morsy, Subha Mukherjee, Michael E. Kopach (1617553), Naresh M. Venneti (14332992), Lawrence G. Mendoza, Janine K. Tom (1247073), Michael E. Kopach, Ganesh Samala (5801636), Subha Mukherjee (1328259), Albert Isidro-Llobet, Jennifer L. Stockdill   +17 more
core   +1 more source

Reference gene selection to determine differences in mitochondrial gene expressions in phosphine-susceptible and phosphine-resistant strains of Cryptolestes ferrugineus, using qRT-PCR

Scientific Reports, 2017
Cryptolestes ferrugineus is a serious pest of stored grain and has developed high levels of resistance to phosphine fumigants in many countries. Measuring differences in expression levels of certain ‘resistant’ genes by quantitative real-time PCR (qRT ...
Pei-An Tang, Jin-Yan Duan, Hai-Jing Wu, Xing-Rong Ju, Ming-Long Yuan   +4 more
doaj   +1 more source

Controlled CO labilization of tungsten carbonyl precursors for the low-temperature synthesis of tungsten diselenide nanocrystals

Frontiers in Nanotechnology, 2022
We report a low-temperature colloidal synthesis of WSe2 nanocrystals from tungsten hexacarbonyl and diphenyl diselenide in trioctylphosphine oxide (TOPO).
Jessica Q. Geisenhoff, Hang Yin, Natacha Oget, Haeun Chang, Linfeng Chen, Alina M. Schimpf   +5 more
doaj   +1 more source

Phosphine-Stabilized Arsenium Salts:  Water-Stable, Labile, Coordination Complexes

, 2016
A series of air- and water-stable tertiary phosphine-stabilized arsenium salts of the type R3P→AsR2+PF6- has been isolated. In the crystal structures of two chiral triarylphosphine complexes of prochiral methylphenylarsenium hexafluorophosphate, the ...
Anthony C. Willis (735858), S. Bruce Wild (1642489), Keith A. Porter (1849171), Johann Zank (2728105)   +3 more
core   +1 more source

Design, Simulation, and Parametric Analysis of an Ultra-High Purity Phosphine Purification Process with Dynamic Control

Separations
Phosphine (PH3) is an important functional material that plays a pivotal role in semiconductor fields. As semiconductor technology rapidly advances toward smaller sizes and higher performance, the requirements for the purity of phosphine in chip ...
Jingang Wang, Jinyu Guo, Yu Liu, Shuyue Zhou, Yawei Du, Xuejiao Tang   +5 more
doaj   +1 more source

Adsorption of Phosphine on a BN Nanosurface [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2018
Electrical sensitivity of a Boron Nitride Nano Sheet (BNNS) to phosphine (PH3) molecule is studied using Density Functional Theory (DFT) calculations at the B3LYP/6-31G(d) level of theory.
Sahar Mohajeri, Maziar Noei, Ali Akbar Salari, Zeynab Hoseini, Nastaran Ahmadaghaei, Nazanin Molaei   +5 more
doaj  

ANALYSIS OF THE RESISTANCE OF GRAIN PESTS TO PHOSPHINE. REVIEW

Пищевые системы, 2020
Resistance of stored grain pests to phosphine is a problem that is being treated in many countries of the world. This is due to the fact that this fumigant is the most widely used in the world.
G. A. Zakladnoy
doaj   +1 more source

Phosphine-Catalyzed Formal Oxa-[4 + 2] Annulation Employing Nitroethylene and Enones: Enantioselective Synthesis of Dihydropyrans

, 2018
The first phosphine-catalyzed enantioselective formal oxa-[4 + 2] reaction between nitroethylene and α-cyano-α,β-unsaturated ketones has been developed.
Zhichao Jin, Bo Zhou (15092), Bo Zhou, Huanzhen Ni (2614123), Yixin Lu (566438), Zhichao Jin (248636), Yixin Lu, Wenrui Zheng (1622041), Huanzhen Ni, Wenrui Zheng   +9 more
core   +1 more source