resorcinol उदाहरण वाक्य
उदाहरण वाक्य
- Google seems to say resorcinol ( meta-diol ) has a pka of 9.32 while para-diphenol is 9.8.
- Resorcinol crystallizes from benzene as colorless needles that are readily soluble in water, alcohol, and ether, but insoluble in chloroform and carbon disulfide.
- Part of the resorcinol structure binds to inhibits the N-terminal domain of heat shock protein 90, which is a drug target for anticancer treatments.
- At the endpoint, the first excess of metal ion catalyzes a strongly exothermic reaction between a polyhdric phenol ( such as resorcinol ) and hydrogen peroxide.
- It is a thermal combination of a substituted cyclobutenones with heterosubstituted acetylenes to produce highly substituted aromatic compounds, specifically phenols or resorcinols ( Scheme 1 ).
- Gelatin-resorcinol-formaldehyde glue ( and with formaldehyde replaced by less-toxic pentanedial and ethanedial ) has been used to repair experimental incisions in rabbit lungs.
- For phenol, the aldehyde most often used is simple formaldehyde, while larger aldehydes, like acetaldehyde, are usually required in condensation reactions with resorcinol and pyrogallol.
- The tire cord is treated first with a resorcinol-formaldehyde polymer and then with a terpolymer made from 15 % 2-vinylpyridine, styrene, and butadiene.
- Concomitantly, the American chemists Joseph Niederl and H . J . Vogel obtained similar cyclic tetramers from the acid-catalyzed reaction of resorcinol and aldehydes such as benzaldehyde.
- Alternatively, sodium sulfate is or was formed in the production of lithium carbonate, chelating agents, resorcinol, ascorbic acid, silica pigments, nitric acid, and phenol.