A. image click here Perform the retrosynthetic analysis for the indicated bond and choose the correct synthetic equivalents. :0: H Na + C. +Na H- :0: D. B. + Na H +Na H OA OB Ос OD
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- Circle the correct answer in each sentence. Projection 1 is a (boat ; fischer ; haworth ; sawhorse) projection. Projection 2 is a (boat ; fischer ; haworth ; sawhorse) projection. This sugar is a (pentose ; hexose) and is a (aldose ; ketose). It is classified as a (simple ; complex) carbohydrate. This is the (L- ; D-) enantiomer of this sugar.4. Ph Draw the major product of each FGI sequence. Ph Br₂ HBr CH₂Cl₂ CC14 OSO4 NMO H₂O 1) 03-78C 2) Me₂S-78 C 3eq NaNH2 NH3 (1) 1) R₂BH |2) MeCO,H NaOMe MeOH EtBr THFCH OH CH OH CH,OH CHOH CH2 CHOH O OH OH CH2 HO OH C 3 CHOH OH OH OH OH OH OH OH OH Download Image... The oligosaccharide was subjected to exhaustive methylation followed by acid hydrolysis. The product obtained for manosaccharide A is O A. 1,2,3,4,6-penta-0-methylfructose O B. 2,3,4-tri-O-methyfructose OC 1,3,4,6-tetra-O-methylfructose O D.2,3,4,5-tetra-O-methylfructose P Type here to search
- In serine proteases, the oxygen of the hydroxyl group on serine is made more nucleophilic primarily by the side chain of a Asp. Tyr. Lys. Gly. His.lodoacetamides, maleimides, benzyl halides, and bromomethyl ketones can all be used to modify the group on residues. A) amino; basic B) phenyl; Tyr and Trp C) carboxyl; acidic D ) sulfhydryl; Cys E) hydroxyl; Ser and TyrBy using only amide/Peptide bond forming rxn and a lkylation rxns. Provide all the reaction steps with the reagent needed and conditions with out showing the mechanism for each step to form the product. Note: Use protecting groups like (Boc, Fmoc, and others) H¸NNH rxns. By using only amide / Peptide bond forming rxn and alkylation Provide all the reaction steps with the reagent needed and conditions showing the mechanism for each step to form the product. protecting groups. like (Boc, Fmoc, and others) with out Note: Use HN H₂N. -NH₂- + ΝΗ
- Threose is an aldose monosaccharide. The Fischer projection H. of D-threose is shown. Но-с—Н HO C H-C-OH C ОН ČH2OH Draw D-threose using wedge and dash bonds around the chiral CH2OH carbon atom(s). Answer Bank ....|||| III .. ...|||| Ili .13.Draw the Fisher projection of the monosaccharide which gives the two diastereomeric aldoses upon chain-extension with 1. HCN/KOH 2. H₂/Pd 3. H30+ НО НО CHO -OH CH2OH НО CHO OH OH CH2OHcan you help with product confirmation of rx?
- Q.5) Converneis hemi -acetal aid then to acctalplease solve the retrosynthesisWhat is the stereochemistry of the alpha carbons on the polypeptide? The first one (on the N-terminal side) is S but what about the second one? I assigned first priority to the NH, but then I assigned second priority to the carbon double bonded to oxygen and single bonded to N. Does this not have higher priority than simply bonded to sulfur or?