Incorporating a silicon unit into a polyether backbone—an effective approach to enhance polyether solubility in CO2
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چکیده
منابع مشابه
Ionomycin, a new polyether antibiotic.
Ionomycin, a new polyether antibiotic with a high affinity for calcium ions, is obtained in pure form from fermentation broths of Streptomyces conglobatus sp. nov. Trejo by solvent extraction. It is unique amongst known polyether antibiotics in that it has a UV absorption maximum at 300 nm. thereby distinguishing it from other antibiotics of its class. The Ca salt has the molecular formula C41H...
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A new polyether antibiotic, lonomycin, was isolated from the culture of Streptomyces ribosidifcus strain TM-481. The antibiotic obtained as a sodium salt is a colorless prism having a molecular formula of C44H75O14Na(M.W. 850), m.p. 188 approximately 189 degrees C, and has no absorption maxima in the ultraviolet region. The infrared and NMR spectra of the antibiotic suggest the presence of a ca...
متن کاملEpigrisorixin, a new polyether carboxylic antibiotic.
addition of methyl oleate (1%) to the original fermentation culture increased the antibiotic titer3). Under these conditions, three nigericin-type antibiotics were isolated, grisorixin (1) (unpublished data), abierixin3) and epinigericin4) (3). The comparative biological activity of the two epimeric antibiotics, nigericin and epinigericin on a protist Tetrahymena pyriformis GL5) and Bacillus ce...
متن کاملModified polyether-sulfone membrane: a mini review
Polyethersulfone has been widely used as a promising material in medical applications and waste-treatment membranes since it provides excellent mechanical and thermal properties. Hydrophobicity of polyethersulfone is considered one main disadvantage of using this material because hydrophobic surface causes biofouling effects to the membrane which is always thought to be a serious limitation to ...
متن کاملTetronomycin, a novel polyether of unusual structure.
Tetronomycin, C34H50O8, isolated from a strain of Streptomyces sp. nov. represents a novel polycyclic ionophore polyether. The crystal structure and absolute configuration were established by X-ray analysis of the mono-O-acetyltetronomycin silver salt. Tetronomycin is the first metabolic polyether which contains a tetronic acid moiety instead of the essential carboxylic acid function. A trisubs...
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ژورنال
عنوان ژورنال: RSC Advances
سال: 2017
ISSN: 2046-2069
DOI: 10.1039/c7ra01587a