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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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1. L-aspartic acid + phosgene (COCl2)= ?
2.Draw the (S)-enantiomer of two sweeteners intermediate 4 + intermediate 5 = two sweeteners intermediate 6. (Intermediate 4 is the image provided)+ (Intermediate 5 is the product of number 1)= Intermediate 6

Transcribed Image Text:H
COOCH3
`NH2
methyl 2-amino-3-phenylpropanoate
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- Draw all of the possible stereoisomers of the compound shown. Group them as enantiomeric pairs, or indicate any meso compounds. Label all stereocenters with the absolute stereochemistry (R or S).arrow_forwardzarrow_forwardWhat type of product is this? A racemic mix? Achiral or meso? diastereomers?arrow_forward
- a. D-(+)-mannose is a diastereomer of glucose that is important in protein glycosylation. Find the Fischer projection of D-(+)-mannose in your textbook (Chapter 23), and draw it very clearly below. b. Draw a box around the chiral center furthest from the aldehyde/ketone. (This is the carbon which can be used to determine whether the carbohydrate is D- or L-.) c. Clearly label each of the chiral centers on D-(+)-mannose with its correct (R) or (S) configuration. d. D-(+)-mannose has two different Haworth projections-one that is a and one that is ß. Draw both Haworth projections for D-(+)-mannose, and label each as either a or B. e. In addition to Benedict's test, several other chemical tests can provide information about the type(s) of carbohydrate present in a given solution. These include Barfoed's test, Seliwanoff's test, and Bial's test. Use the internet to research what each test's possible results are, and what those results tell you about the carbohydrate's structure. Note: You…arrow_forward23) Label the following pair as a/an enantiomer, diasteromer, structural isomer or identical C₂H5 НО (I) C₂H5 Н. (II) (III) HO НО OH -C2H5 он || -C2H5 OH НО Н. но. Н OH C₂H5 OH C₂H5 H H OH ОНarrow_forwardPart II: Short answer ) 1. Draw (a) an enantiomer, and (b) a diastereomer of the following compound OH HO -CH₂ CH₂CH₂arrow_forward
- 1. Carbohydrates classification. 2. Write down the reactions: a) α,D-Glucopyranose + C2H5OH → b) D-Glucose + [Ag(NH3)2]+ → c) D-Glucopyranose + (CH3CO)2 O → d) D-Glucopyranose + CH3I → e) D-Glucose + HNO3 → f) D-Glucose + H2 → g) Lactose formation h) Sucrose hydrolysis 3. Write down the formula of β,D-galactopyranosearrow_forward7arrow_forward
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