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- What product or products are obtained when d-galactose reacts with each of the following? a. nitric acid + ∆ b. Ag+, NH3, HO- c. NaBH4, followed by H3O+ d. excess CH3I + Ag2O e. Br2 in water f. ethanol + HClg. 1. hydroxylamine/trace acid 2. acetic anhydride/∆ 3. HO-/H2OPredict the products obtained when d-galactose reacts with each reagent. (c) CH3OH, H + (d) Ag(NH3) 2+ -OH(e) H2, NiDraw the products formed when α-D-galactose is treated with each reagent: i. CH3I (excess), Ag2O ii. CH3OH, H3O+ iii. NaOH, H2O iv. Br2, H2O
- Identify the sugar in each description. a. An aldopentose that is not d-arabinose forms d-arabinitol when it is reduced with NaBH4. b. A sugar that is not D-altrose forms d-altraric acid when it is oxidized with nitric acid. c. A ketose that, when reduced with NaBH4, forms d-altritol and d-allitol.Predict the products obtained when d-galactose reacts with each reagent. (h) NaBH4(i) Br2, H2O, then H2O2 and Fe2(SO4)3Identify the sugar in description. An aldopentose that is not d-arabinose forms d-arabinitol when it is reduced with NaBH4.
- Draw Fischer projections for the product(s) formed by reaction of d-ribose with the following. In addition, state whether each product is optically active or inactive Q. HNO3, warmDraw Fischer projections for the product(s) formed by reaction of d-ribose with the following. In addition, state whether each product is optically active or inactive Q. NaBH4 in H2OWhat products are obtained from the reduction of a. d-idose? b. d-sorbose?
- Draw Fischer projections for the product(s) formed by reaction of d-galactose with the following. In addition, state whether each product is optically active or inactive. Q.) HNO3, warmUsing Fischer projection structure where no cyclization took place, what product/s formed when D-galactose reacts with the following: CN- , H+ ; H2O (hydrolysis); NaBH4 NaBH4 CH3OH, HCl Acetic anhydrideDraw the products formed when β-D-galactose is treated with each reagent. a. Ag2O + CH3I b. NaH + C6H5CH2Cl c. The product in (b), then H3O+ d. Ac2O + pyridine e. C6H5COCl + pyridine f. The product in (c), then C6H5COCl + pyridine