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2 Mature crocodiles secrete from their skin glands the compound with the following structure. This compound is thought to be a communication pheromone for nesting or mating.

2 Mature crocodiles secrete from their skin glands the compound with the following structure. This compound is thought to be a communication pheromone for nesting or mating.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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5.52 Mature crocodiles secrete from their skin glands the compound with the following structure. This compound is thought to be a communication pheromone for nesting or mating. a. How many stereogenic centers are there in this compound? Mark them with an asterisk. b. Two stereoisomers of this compound have been isolated from crocodile skin gland secretions. How many possible stereoisomers of this compound are there? Additional Questions: 5bb (1) Which compound is the diastereomer of the following compound? H3C CH3 Br F H H3C CH H3C CH3 H3C CH3 H,C CH3 H F H" H Br "Br F F Br H. Br H H A (2) Which compound is the mesomer of the following compound? H;C CH3 CH3 H3C H F H3C CH, CH3 H E H""H H Br F H A B D
Transcribed Image Text:5.52 Mature crocodiles secrete from their skin glands the compound with the following structure. This compound is thought to be a communication pheromone for nesting or mating. a. How many stereogenic centers are there in this compound? Mark them with an asterisk. b. Two stereoisomers of this compound have been isolated from crocodile skin gland secretions. How many possible stereoisomers of this compound are there? Additional Questions: 5bb (1) Which compound is the diastereomer of the following compound? H3C CH3 Br F H H3C CH H3C CH3 H3C CH3 H,C CH3 H F H" H Br "Br F F Br H. Br H H A (2) Which compound is the mesomer of the following compound? H;C CH3 CH3 H3C H F H3C CH, CH3 H E H""H H Br F H A B D
Homework 13 Answers 5.42 How many stereoisomers are possible for each of the following structures? Draw them. and name each by the R-S and E-Z conventions, (See Problem 5.41.) a. 2,5-dichloro-3-hexene c. 3-methyl-1,4-pentadiene b. 2-chloro-5-fluoro-3-hexene d. 3-methyl-1,4-heptadiene 5.44 Following are Newman projections for the three tartaric acids (R.R), (S,S), and meso. Which is which? CO.H CO,H CO.H H. H. HO HO Но H. H HO CO.H CO,H CO,H 5.49 Chloramphenicol is an antibiotic that is particularly effective against typhoid fever. Its structure is NO, HO -NHCOCHCI, CH,OH What is the configuration (R.S) at each stereogenic center? 5.50 Methoprene (marketed as Precor), an insect juvenile hormone mimic used in flea control products for pets, works by preventing the development of flea eggs and larvae. The effective form of methoprene, shown here, is optically active. Locate the stereogenic center and determine its configuration (R,S). H,C CH, H,C H CH,O methoprene
Transcribed Image Text:Homework 13 Answers 5.42 How many stereoisomers are possible for each of the following structures? Draw them. and name each by the R-S and E-Z conventions, (See Problem 5.41.) a. 2,5-dichloro-3-hexene c. 3-methyl-1,4-pentadiene b. 2-chloro-5-fluoro-3-hexene d. 3-methyl-1,4-heptadiene 5.44 Following are Newman projections for the three tartaric acids (R.R), (S,S), and meso. Which is which? CO.H CO,H CO.H H. H. HO HO Но H. H HO CO.H CO,H CO,H 5.49 Chloramphenicol is an antibiotic that is particularly effective against typhoid fever. Its structure is NO, HO -NHCOCHCI, CH,OH What is the configuration (R.S) at each stereogenic center? 5.50 Methoprene (marketed as Precor), an insect juvenile hormone mimic used in flea control products for pets, works by preventing the development of flea eggs and larvae. The effective form of methoprene, shown here, is optically active. Locate the stereogenic center and determine its configuration (R,S). H,C CH, H,C H CH,O methoprene
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