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Present a synthesis for the transformation depicted
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- Please written by handPlease help identify A-GIdentify the following pairs of structures as enantiomers, diastereomers, or identical molecules. Name the chiral centers as R or S. Et Et Br- HO. Но- Br HO HO -Br -Br Et Et OH NH2 HO H. H- CI "Me Me. -OH -NH2 ci Pr Pr H- Ph Ph “NH2 Ph. Н. -NH2 -Ph Pr Pr BrH2C НО Me. но HO, „Me HO Me Me “CH2Br ČHĄBr ČH;Br OH OH Me Me H- H. -CH2CI H- OH СООН ČH2CI
- A common alkene starting material is shown below. Predict the major product for each reaction. Use a dash or wedge bond to indicate relative stereochemistry of substituents on asymmetric centers, where applicable. Ignore any inorganic byproducts Select to Draw Select to Draw 1. BH3-THF 1. Hg(OAc)2, Water 2. Н2О2, NaOН 2. NaBHa, NaОНmost disaccharides are reducing sugars. This is because they or "hemiketal" groups which readily hydrolyze to give a free aldehyde. Disaccharides,like sucrose, which contain only "acetal" or "ketal" groups are non-reducing sugars. R₁ OH hemiketal Fiz Pis R₁ OH hemniacetal H -F1₂ R₁ Q-R4 ketal Piz P13 Rí Q-R4 acetal H Piz With this in mind, label each of the following disaccharides as "reducing" or "non-reducing". If it is a reducing" sugar, circle the hemiketal or hemiacetal group.-NH2 но NH b. OH