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oxazole
oxazole Chem. (ˈɒksəzəʊl) [ad. G. oxazol (Hantzsch & Weber 1887, in Ber. d. Deut. Chem. Ges. XX. 3119): see ox- 1, azo-, and -ole.] a. A weakly basic, heterocyclic compound, O·CH:N·CH:CH , which is a volatile liquid. b. Any of the derivatives of this compound obtained by substituting for hydrogen.18...
Oxford English Dictionary
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Oxazole
Oxazole is the parent compound for a vast class of heterocyclic aromatic organic compounds. Oxazole is a weak base; its conjugate acid has a pKa of 0.8, compared to 7 for imidazole.
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Oxazole (data page)
References Zoltewicz, J. A. & Deady, L. W. Quaternization of heteroaromatic compounds. Quantitative aspects. Adv. Heterocycl. Chem. 22, 71-121 (1978). Chemical data pages
Chemical data pages cleanup
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which of the following reactants is present in oxazole
The Fischer oxazole synthesis was discovered by Emil Fischer in 1896. The cyanohydrin itself is derived from a separate aldehyde.
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Fischer oxazole synthesis
The Fischer oxazole synthesis is a chemical synthesis of an oxazole from a cyanohydrin and an aldehyde in the presence of anhydrous hydrochloric acid. A more specific example of Fischer oxazole synthesis involves reacting mandelic acid nitrile with benzaldehyde to give 2,5-diphenyl-oxazole.
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Oxazolone
It was named in-line with the Hantzsch–Widman nomenclature and is part of a large family of oxazole based compounds. See also
Münchnone
Oxazole
Oxazolidone — the saturated analogues
References
Oxazolones
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Isoxazole
Due to the weak N-O bond, the isoxazole ring tends to collapse under UV irradiation, rearranging to oxazole through azirine intermediate. See also
Oxazole, an analog with the nitrogen atom in position 3
Pyrrole, an analog without the oxygen atom
Furan, an analog without the nitrogen atom
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YcaO
YcaO is a protein found in bacteria which is involved in the synthesis of thiazole/oxazole modified microcin antibiotics, such as bottromycin. YcaO performs ATP dependent cyclodehydration to form the oxazole and thiazole moieties of the microcin.
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Plantazolicin
This natural product is a ribosomally synthesized and post-translationally modified peptide (RiPP); it can be classified further as a thiazole/oxazole-modified This process converts cysteine and serine/threonine residues into thiazole and (methyl)oxazole heterocycles (as seen to the right).
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Benzoxazole
Benzoxazole is an aromatic organic compound with a molecular formula C7H5NO, a benzene-fused oxazole ring structure, and an odor similar to pyridine.
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Pristinamycin IIA
Pristinamycin IIA is of interest from a biosynthetic viewpoint because it contains the unusual dehydroproline and oxazole ring systems. The only experimental evidence bearing on the formation of the oxazole ring is found in work on the biosynthesis of the alkaloid annuloline.
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CP-944629
CP-944629, also known as 5-(3-tert-butyl-[1,2,4]triazolo[4,3-a]pyridin-6-yl)-4-(2,4,5-trifluorophenyl)-1,3-oxazole (IUPAC name), is a small molecule that
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Propargylamine
A Sonogashira coupling of the terminal alkyne end with another equivalent of benzoylchloride gives the dicarbonyl, a precursor to an oxazole.
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Retosiban
The 2-methyl oxazole ring at the 7 position gives good aqueous solubility, low protein binding and minimal Cyp450 interaction. The oxazole ring is the most solvent-exposed substituent, and the morpholine ring has no direct interactions with the receptor.
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C3H3NO
{{DISPLAYTITLE:C3H3NO}}
The molecular formula C3H3NO (molar mass: 69.06 g/mol, exact mass: 69.02146 u) may refer to:
Acetyl cyanide
Isoxazole
Oxazole
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