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- Chlorhexidine gluconate is available in different products in concentrations of 4% w/vand 0.12% w/v. H ow many milliliters of the more dilute product may be prepared fromeach fluidounce of the more concentrated product?Draw the organic product(s) formed when CH3CH2CH2OH is treated withfollowing reagent : [1] TsCl, pyridine; [2] NaSHWhen some sugars dissolve in water they spontaneously undergo changes in optical rotation called mutarrotation. The Mutarrotation of D-glucopyranose is catalyzed by acid and bases. 2-Hydroxypyridine is a more effective catalyst than phenol and pyridine for this reaction because: a.Both oxygen and N in 2-hydroxypyridine act as bases increasing the rapid interconversion of sugar b. The OH of 2-hydroxypyridine serves as the base while the current N as the acid. c. 2-hydroxypyridine acts both as a base to remove the proton from the hydroxyl group in the hemiacetal and as an acid to provide a proton to the oxygen in the hemiacetal. d.Phenol and pyridine are very expensive.
- d-Glucuronic acid is found widely in plants and animals. One of its functions is to detoxify poisonous HO-containing compoundsby reacting with them in the liver to form glucuronides. Glucuronides are water soluble and therefore readily excreted. Afteringestion of a poison such as turpentine or phenol, the glucuronides of these compounds are found in the urine. Draw thestructure of the a- and b-glucuronides formed by the reaction of b-d-glucuronic acid and phenol.Which of these reagent(s) will not react with HOCH2CH2CH2COOH? A) NaCN in ethanol B) C2H5OH in the presence of an acid catalyst. C) (CH3CO)2O D) Concentrated H2SO4What product is formed when each compound is treated first with LDA in THF solution at low temperature, followed by CH3CH2I?
- What prochirality is correct?please explain why this happends, im having trouble in this section. Part A Chymotrypsin, an enzyme that hydrolyzes peptide bonds in proteins, functions in the small intestine at an optimum pH of 7.7 to 8.0. How is the rate of the chymotrypsin-catalyzed reaction affected by each of the following conditions?Draw the products formed when CH3COCH2CH2CH = CH2 is treated with each reagent:(a) LiAlH4, then H2O;(b) NaBH4 in CH3OH;(c) H2 (1 equiv), Pd-C;(d) H2 (excess), Pd-C;(e) NaBH4 (excess) in CH3OH;(f) NaBD4 in CH3OH.