Category «spectroscopy»

Polymers from biomass: one pot two-step synthesis of furilydenepropanenitrile derivatives with MIL-100(Fe) catalyst

It’s only fair to share… Polymers from biomass: one pot two-step synthesis of furilydenepropanenitrile derivatives with MIL-100(Fe) catalyst Catal. Sci. Technol., 2017, 7,3008-3016 DOI: 10.1039/C7CY00463J, Paper Anastasia Rapeyko, Karen S. Arias, Maria J. Climent, Avelino Corma, Sara Iborra Monomers from biomass have been prepared from HMF and methylene active compounds through a one pot process using …

N‒(4’‒methoxyCinnamyl)aniline ( NMR IS EASY)

It’s only fair to share…   N‒(4’‒methoxyCinnamyl)aniline N‒(4’‒Methoxycinnamyl)aniline (3s): Yellow brown solid (203 mg, 85% yield), mp. 75 oC, 1H NMR (CDCl3, 600 MHz): δ 3.86 (s, 3H), 3.94 (d, 2H, J = 11.5 Hz), 6.20‒ 6.29 (m, 1H), 6.60 (d, 1H, J = 15.9 Hz), 6.74 (d, 2H, J = 8.28 Hz), 6.80 (t, …

CuI nanoparticles as recyclable heterogeneous catalysts for C-N bond formation reactions

It’s only fair to share…   CuI nanoparticles as recyclable heterogeneous catalysts for C-N bond formation reactions Catal. Sci. Technol., 2017, 7,2857-2864 DOI: 10.1039/C7CY00832E, Paper Manoranjan Kumar, Vinod Bhatt, Onkar S. Nayal, Sushila Sharma, Vishal Kumar, Maheshwar S. Thakur, Neeraj Kumar, Rajaram Bal, Bikram Singh, Upendra Sharma Herein, copper iodide nanoparticles (NPs) are reported for the …

3-Phenylpropionic acid

It’s only fair to share…     3-Phenylpropionic acid (2z) 1 1) Jiang, X.; Zhang, J.; Ma. S. J. Am. Chem. Soc. 2016, 138, 8344 Yield: 94% (142 mg), white solid. Melting point: 47-49 °C (lit.18 49 °C) (18) Helavi, V. B.; Solabannavar, S. B.; Desai, U. V.; Mane, R. B. J. Chem. Research 2003, …

syn-3,5-Dihydroxy Hexanoate

It’s only fair to share…   pure 8 (2.4 g, HPLC purity, 92%). [α]D25 = −41.3 (c = 1.0, CHCl3), >99.5% de.(8g, 9) 1H NMR (CDCl3, 400 MHz), δ/ppm: 1.47 (s, 9H), 1.71–1.75 (m, 2H), 2.42–2.44 (m, 2H), 2.54–2.56 (m, 2H), 3.71 (brs, 2H), 4.18–4.22 (m, 1H), 4.26–4.31 (m, 1H).   t-butyl 6-cyano-(5R)-hydroxy-3-oxo-hexanoate t-Butyl-6-cyano-(3R,5R)-dihydroxyhexanoate is an advanced chiral precursor for the …

(7R, 8S, 8′S, 7″S, 8″R)-abiesol A 4″-O-β-d-glucopyranoside, capselloside.

It’s only fair to share… (7R, 8S, 8′S, 7″S, 8″R)-abiesol A 4″-O-β-d-glucopyranoside, and it was named capselloside. Capselloside (1): Brownish gum; [α]25D −34.0 (c = 0.05, MeOH); UV (MeOH) λmax (log ε) 280 (1.4), 228 (3.3), 214 (3.1) nm; IR (KBr) νmax 3261, 2946, 2816, 1638, 1489, 1261 cm−1; CD (MeOH) λmax (Δ ε) 291 (−), 280 (−) 257 (−) 230 (−) …

Synthesis, characterization and anti-inflammatory evaluation of novel substituted tetrazolodiazepine derivatives

It’s only fair to share… SRM University Department of Chemistry Chennai, Tamil Nadu, India 3b R = NITRO http://nopr.niscair.res.in/handle/123456789/42358   Dr. S. Sathishkumar Assistant Professor in Chemistry, Kongu Engineering College, Perundurai, Erode – 638052 DR. HELEN P. KAVITHA Dr. Helen P. Kavitha Professor and Head of the Department E-mail: helen.p@rmp.srmuniv.ac.in Area: Chemistry Affiliation: Department of Chemistry, Ramapuram Campus, SRM …

NaBH4, twin screw technology (i.e., granulator, melt extruder, etc.) to yield the desired product in a continuous manner

It’s only fair to share…   In this work the application of green chemistry principles such as process intensification and the replacement of reagents and solvents to more benign alternatives were coupled with the advantages of continuous manufacturing. The reduction of lipophilic aromatic aldehydes using an aqueous alkaline solution of NaBH4 was achieved by means of …

Ascaridole

It’s only fair to share…   Scheme 2. Photo-Oxidation of α-terpinene 1 to Ascaridole 2 and the Common Byproduct p-Cymene 3 Continuous Photo-Oxidation in a Vortex Reactor: Efficient Operations Using Air Drawn from the Laboratory Darren S. Lee† , Zacharias Amara†, Charlotte A. Clark†, Zeyuan Xu‡, Bruce Kakimpa‡, Herve P. Morvan‡, Stephen J. Pickering‡, Martyn Poliakoff*†, and Michael W. George*†§ †School of Chemistry, ‡Department of Mechanical, Materials and Manufacturing Engineering, University of …