Results 1 to 10 of about 60,973 (249)
One-Pot Silver Nanoring Synthesis [PDF]
Silver colloidal nanorings have been synthesized by reducing silver ions with NaBH4 in trisodium citrate buffers. pH increase, by addition of NaOH, was used to speed up reduction reaction. The UV-vis absorption spectra of resulting silver nanorings showed two peaks accounting for transverse and longitudinal surface plasmon resonance, at ≈400 nm, and ...
Drogat, Nicolas +3 more
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Stereoselective one-pot synthesis of polypropionates [PDF]
AbstractPolypropionates—motifs with alternating methyl and hydroxy groups—are important segments of many natural products possessing high bioactivity and therapeutic value. Synthetic access to these structures remains an area of intensive interest, focusing on the establishment of the contiguous stereocentres and a desire for operational simplicity ...
Guo-Ming Ho +2 more
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One-Pot Synthesis of Cycloparaphenylenes [PDF]
The preparation of cycloparaphenylenes ([n]CPPs) with their bent π-system poses a long-standing challenge in organic synthesis. In the current multi-step approaches to access CPPs, pre-angulated precursors were combined using transition metal-catalysed or mediated coupling reactions.
Jan H. Griwatz, Hermann A. Wegner
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One-pot synthesis of spiroglycol
The synthesis of spiroglycol by one-pot reaction was studied using pentaerythritol, isobutyraldehyde and formaldehyde as starting materials. Under the optimum reacting conditions, the yield and purity of product were 93.6 % and 99.0 %, respectively. Compared to the synthesis methods reported in literatures, not only was the yield of product improved ...
Jun Ming Xu, Fu Sheng Liu, Shi Tao Yu
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One-pot synthesis of ethylmaltol from maltol. [PDF]
A novel route to the flavor enhancer ethylmaltol, a synthetic 4-pyrone, from naturally abundant maltol is disclosed. Two strategies were explored for the required C1 homologation.
Plangger I +3 more
europepmc +2 more sources
One-pot synthesis of (−)-Ambrox [PDF]
Abstract(−)-Ambrox is recognised as the prototype of all ambergris odorants. Widely used in perfumery, (−)-Ambrox is an important ingredient due to its unique scent and excellent fixative function. An environmentally friendly and practical preparation of (−)-Ambrox is still unavailable at present although a lot of attention has been paid to this hot ...
Shaoxiang Yang +5 more
openaire +2 more sources
One-Pot Synthesis of Enantiopure Pyrrolopiperazines [PDF]
A simple one-pot protocol for the synthesis of fused pyrrolopiperazines with a complete diastereoselectivity has been developed. This novel methodology combined the Ugi reaction with a spontaneous enamine alkylation on a multicomponent domino reaction, starting from nonprotected diamines and arylglyoxals.
Pablo Pertejo +3 more
openaire +4 more sources
A novel one-pot synthesis of flavones
A one-pot facile route for the BiCl3/RuCl3-mediated synthesis of functionalized flavones is described, including: (i) ortho-acylation of phenols with cinnamoyl chlorides, and (ii) cyclodehydrogenation of the resulting o-hydroxychalcones.
Meng-Yang Chang +2 more
openaire +3 more sources
Electrochemical Synthesis of Imidazopyridine and Benzylidene Malononitrile
A one-pot electrochemical synthesis of two medically interesting compounds is presented. 2-Phenylimidazo[1,2-a]pyridine and 2-(4-fluorobenzylidene)malononitrile were prepared using previously used starting materials.
Nitin R. Deore +3 more
doaj +1 more source
One-Pot Synthesis of Dioxime Oxalates
Dioxime oxalates, a type of carbonyl oximes, are well-known as clean sources of iminyl radicals that undergo key organic chemistry transformations. A series of dioxime oxalates is reported in this manuscript, obtained by the reaction of the corresponding
Laura Adarve-Cardona +3 more
doaj +1 more source

