Concept Check No. 5. (Problem 7.30) Chemical degradation of chlorophyll gives a number of substances including phytol. The constitution of phytol is given by the name 3,7,11,15-tetramethyl-2-hexadecen-1-ol. How many stereoisomers have this constitution? Identify the configurations of the stereogenic centers and the double bond of each stereoisomer. Hint: There are two stereogenic centers (*C-7 & *C-11) and a double bond. See phytol structure below. Phytol (3,7,11,15-tetramethyl-2-hexadecen-1-ol): HOCH,CH=ÇCH,CH,CH,CHCH,CH,CH,CHCH,CH,CH,CHCH, ČH; ČH; ČH, ČH3 3,7,11,15-Tetramethyl-2-hexadecen-1-ol Answers: Each answer has 3 characters, the 1st one must be either E or Z and the 2nd & 3rd must either be R or S. Give in any order for the 8 stereoisomers. Isomer 1: Isomer 2: Isomer 3: Isomer 4: Isomer 5: Isomer 6: Isomer 7: Isomer 8:

Concept Check No. 5. (Problem 7.30) Chemical degradation of chlorophyll gives a number of substances including phytol. The constitution of phytol is given by the name 3,7,11,15-tetramethyl-2-hexadecen-1-ol. How many stereoisomers have this constitution? Identify the configurations of the stereogenic centers and the double bond of each stereoisomer. Hint: There are two stereogenic centers (C-7 & C-11) and a double bond. See phytol structure below. Phytol (3,7,11,15-tetramethyl-2-hexadecen-1-ol): HOCH,CH=ÇCH,CH,CH,CHCH,CH,CH,CHCH,CH,CH,CHCH, ČH; ČH; ČH, ČH3 3,7,11,15-Tetramethyl-2-hexadecen-1-ol Answers: Each answer has 3 characters, the 1st one must be either E or Z and the 2nd & 3rd must either be R or S. Give in any order for the 8 stereoisomers. Isomer 1: Isomer 2: Isomer 3: Isomer 4: Isomer 5: Isomer 6: Isomer 7: Isomer 8:

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter4: Organic Compounds: Cycloalkanes And Their Stereochemistry

Section4.SE: Something Extra

Problem 61AP: Ketones react with alcohols to yield products called acetals. Why does the all-cis isomer of...

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