It’s only fair to share… Veratraldehyde is an important chemical used in perfumery, agrochemical, and pharmaceutical industries. Current processes of manufacture of veratraldehyde use homogeneous catalysts, which make them highly polluting, creating problems of disposal of effluents and product purity. In the current work, veratraldehyde was synthesized from O-alkylation of vanillin with an environmentally …
FDA approves first subcutaneous C1 Esterase Inhibitor to treat rare genetic disease
It’s only fair to share… FDA approves first subcutaneous C1 Esterase Inhibitor to treat rare genetic disease 06/22/2017 The U.S. Food and Drug Administration today approved Haegarda, the first C1 Esterase Inhibitor (Human) for subcutaneous (under the skin) administration to prevent Hereditary Angioedema (HAE) attacks in adolescent and adult patients. The subcutaneous route of …
Iridium-catalyzed highly efficient chemoselective reduction of aldehydes in water using formic acid as the hydrogen source
It’s only fair to share… Iridium-catalyzed highly efficient chemoselective reduction of aldehydes in water using formic acid as the hydrogen source Green Chem., 2017, Advance Article DOI: 10.1039/C7GC01289F, Paper Zhanhui Yang, Zhongpeng Zhu, Renshi Luo, Xiang Qiu, Ji-tian Liu, Jing-Kui Yang, Weiping Tang A highly efficient iridium catalyst is developed for the chemoselective reduction …
A Convenient and “Greener” Synthesis of Methyl Nitroacetate
It’s only fair to share… Methyl Nitroacetate (2) Warning: Although no incidents occurred, the intermediates generated, as well as the end product, are energetic and should be handled as if they are explosive materials. It is essential that all reactions be conducted behind a blast shield and that proper protective equipment, including a face …
Selective synthesis of dimethoxyethane via directly catalytic etherification of crude ethylene glycol
It’s only fair to share… Selective synthesis of dimethoxyethane via directly catalytic etherification of crude ethylene glycol Green Chem., 2017, Advance Article DOI: 10.1039/C7GC00659D, Paper Weiqiang Yu, Fang Lu, Qianqian Huang, Rui Lu, Shuai Chen, Jie Xu A potential diesel fuel additive, dimethoxyethane, was highly selectively produced via etherification of crude ethylene glycol over …
Selective hydrogenation of N-heterocyclic compounds using Ru nanocatalysts in ionic liquids
It’s only fair to share… Selective hydrogenation of N-heterocyclic compounds using Ru nanocatalysts in ionic liquids Green Chem., 2017, 19,2762-2767 DOI: 10.1039/C7GC00513J, Communication Hannelore Konnerth, Martin H. G. Prechtl N-Heterocyclic compounds have been tested in the selective hydrogenation catalysed by small 1-3 nm sized Ru nanoparticles (NPs) embedded in various imidazolium based ionic liquids …
Is water a suitable solvent for the catalytic amination of alcohols?
It’s only fair to share… Is water a suitable solvent for the catalytic amination of alcohols? Green Chem., 2017, 19,2839-2845 DOI: 10.1039/C7GC00422B, Paper Johannes Niemeier, Rebecca V. Engel, Marcus Rose The catalytic aqueous-phase amination of biogenic alcohols with solid catalysts is reported for future development of renewable amine value-added chains. From the journal: Green Chemistry …
Efficient and Stereoselective Syntheses of Isomerically Pure 4-Aminotetrahydro-2H-thiopyran 1-Oxide Derivatives
It’s only fair to share… trans-4-Aminotetrahydro-2H-thiopyran 1-Oxide Methanesulfonate (trans–3d-MsOH) Compound ……………….afforded trans-3d-MsOH (20 g, 68%) as a white crystalline solid. 1H NMR (300 MHz, DMSO-d6) δ 1.60–1.76 (2H, m), 2.16–2.29 (2H, m), 2.31 (3H, s), 2.68–2.81 (2H, m), 3.13–3.23 (2H, m), 3.27–3.35 (1H, m), 7.86 (3H, brs). 13C NMR (75 MHz, D2O) δ 24.98, 38.51, …
Tropylium salts as efficient organic Lewis acid catalysts for acetalization and transacetalization reactions in batch and flow
It’s only fair to share… Tropylium salts as efficient organic Lewis acid catalysts for acetalization and transacetalization reactions in batch and flow Green Chem., 2017, Advance Article DOI: 10.1039/C7GC01519D, Communication D. J. M. Lyons, R. D. Crocker, D. Enders, T. V. Nguyen Tropylium salts were reported as organic-Lewis acids to efficiently catalyze acetalization reactions in …
CP 11
It’s only fair to share… Scheme 10 Synthesis of C60-PGN and C60-GAP. It has been calculated that the enthalpy of formation of Cp-5 is 2782.2 kJ mol−1, while its detonation velocity and pressure are 3282 km s−1 and 4.443 GPa, respectively.112 Upon complete combustion, the total heat of combustion for Cp-5 is 2.17 …