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Determine the relationship between the two drawings:
A. Enantiomers
B. Same compound
C. Constitutional isomers
D. Diastereomers
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- h-t ownbid ㄴ HO. OH 시 3 애 애 HOW. X-glucose 근 6 HO Ito 5 4 open •애 3 애 1011. chain 애 5 How.ks 3 애 애 2 애기애 B-glucoseN-NHPH CHO CH2OH H- C=N-NHPH Но- -H- 3 equiv Но- -H- 3 equiv Но- PHNHNH2 PHNHNH, H- H- OH H- -O- H- H- -HO- H- -HO- ČH2OH ČH2OH ČH2OH D-glucose osazone D-fructose + NH3 + PHNH2 + 2 H20 The final step in the formation of the osazone from glucose is the reaction of the keto imine with 2 equivalents of phenylhydrazine to yield the osazone plus ammonia. This reaction involves the following intermediate steps: 1. Addition of phenylhydrazine to the imine and proton transfer to yield intermediate 1; 2. Elimination of ammonia to yield phenylhydrazone 2; 3. Addition of phenylhydrazine to the ketone to yield tetrahedral intermediate 3; 4. Proton transfer yields carbinolamine 4; 5. Elimination of water yields the final product osazone. Write out the mechanism on a separate sh of paper and then draw the structure of tetrahedral intermediate 3. NH НО- -H H- -ОН H- -ОН ОН Glucose keto imine Previous Ne2. The following diagram shows the straight-chain structure of an N-acetyl aminoheptose that is found in certain plants including avocado (Persea Americana). CHOH CH2OH CH,OH O: O: HO- но -HO- HO H но -HO- H- NHAC NHAC ACHN OH HN H- HO- HO CH2OH CHOH CH20H HO HO. Structure B Structure C Structure A OH OH CHOH CH2OH CH OH HO H HO H HO- H OH HO- HO H- -NHAC ACHN- ACHN HO- H OH HO ČHOH CH2OH CH2OH Structure D Structure E Structure F Which of the Fischer projections (A-F) matches the skeletal formula shown? Structure A Structure B Structure C Structure D Structure E O Structure F (1 mark) 王 HI
- Not y Given the following reaction: AH° = -118.7 kwatk CHAG)+ 02g) → C(s) + 2H20 2° ) E FI AH° = - 26.4 kcàl 1 C(s) + O 2(g) → CO (), AH° = – 67.7 kcal CO(g) + 2 → CO 2(g) O 20) Consider the combustion of meth ane, determine the AH° using Hess's Law. ΔΗ- CHAG) + 202(g) → CO2G) + 2H20» → CO 2(g) + 2H20u)es/74576/quizzes/126123/take U secondary O primary O tertiary O quaternary Question 22 Classify the compound below. H H-c-o-c-(CH216CH3 II H-c-o-c-(CH2)14CH3 H-c-o-c-(CH2),CH=CH(CH2),CH3 O fatty acid O monounsaturated triglyceride O saturated triglyceride O wax ester Question 23 Classify the functional group and amino acid in the statements below. но MacBook ProCI OH HNO3-H₂SO4 ??