hexane system
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Molecules ◽  
2021 ◽  
Vol 26 (4) ◽  
pp. 1019
Author(s):  
Ivan Limachi ◽  
Mariela Gonzalez-Ramirez ◽  
Sophie Manner ◽  
Juan C. Ticona ◽  
Efrain Salamanca ◽  
...  

The fractionation of an ethanol extract of the bark of Trichilia adolfi yielded four novel limonoids (trichilinones A-D, 1–4), with five fused rings and related to the hortiolide-type limonoids. Starting with an ε-lactone, which is α,β-unsaturated in trichilinones A and D (1 and 4), attached to a tetrahydrofuran ring that is connected to an unusual bicyclo [5.1.0] hexane system, joined with a cyclopentanone with a 3-furanyl substituent [(2-oxo)-furan-(5H)-3-yl in trichilinone D (4)], the four compounds isolated display a new 7/5/3/5/5 limonoid ring system. Their structures were established based on extensive analysis of NMR spectroscopic data. As the crude extract possessed anti-leishmanial properties, the compounds were assayed for cytotoxic and anti-parasitic activities in vitro in murine macrophages cells (Raw 264.7) and leishmania promastigotes (L. amazoniensis and L. braziliensis), respectively. The compounds showed moderate cytotoxicity (approximately 70 μg/mL), but are not responsible for the leishmanicidal effect of the extract.



2021 ◽  
pp. 152802
Author(s):  
Weitong Tao ◽  
Yan Chen ◽  
Lu Lu ◽  
Chun Liu




2019 ◽  
Vol 57 (6) ◽  
pp. 837-841
Author(s):  
I. M. Abdulagatov ◽  
S. M. Rasulov ◽  
I. A. Isaev ◽  
S. M. Orakova


2019 ◽  
pp. 38-41
Author(s):  
D. V. Orekhov ◽  
K. V. Shirshin ◽  
M. V. Savinova ◽  
O. A. Kazantsev ◽  
D. M. Kamorin ◽  
...  

Based on the data on the distribution of alkoxyoligo(ethyleneglycol) methacrylates in the water-hexane system, the HLB values of the macromonomers are determined. A good correlation between the temperatures of phase transitions of copolymers of alkoxyoligo(ethyleneglycol) methacrylates in aqueous solutions and calculated HLB values of the original macromonomers was shown.



2017 ◽  
Vol 91 (2) ◽  
pp. 330-335 ◽  
Author(s):  
S. M. Rasulov ◽  
S. M. Orakova ◽  
Z. A. Isaev


2017 ◽  
Vol 79 (1) ◽  
pp. 76-80 ◽  
Author(s):  
S. A. Kislenko ◽  
V. F. Razumov


ChemInform ◽  
2015 ◽  
Vol 46 (34) ◽  
pp. no-no
Author(s):  
Dmitrii A. Shabalin ◽  
Marina Yu. Dvorko ◽  
Elena Yu. Schmidt ◽  
Nadezhda I. Protsuk ◽  
Igor A. Ushakov ◽  
...  
Keyword(s):  


2015 ◽  
Vol 25 (2) ◽  
pp. 129-130 ◽  
Author(s):  
Dmitrii A. Shabalin ◽  
Marina Yu. Dvorko ◽  
Elena Yu. Schmidt ◽  
Nadezhda I. Protsuk ◽  
Igor A. Ushakov ◽  
...  
Keyword(s):  


Polymer ◽  
2014 ◽  
Vol 55 (14) ◽  
pp. 3100-3106 ◽  
Author(s):  
Ehsan Rezabeigi ◽  
Paula M. Wood-Adams ◽  
Robin A.L. Drew


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