Solution Found!
(a) Count the elements of unsaturation in the three
Chapter 21, Problem 1P(choose chapter or problem)
Problem 1P
(a) Count the elements of unsaturation in the three structures shown above (parsalmide, ethynyl estradiol, and dynemicin A).
(b) Draw structural formulas of at least two alkynes of each molecular formula.
(1) C6H10 (2) C8H12 (3) C7H8
Questions & Answers
QUESTION:
Problem 1P
(a) Count the elements of unsaturation in the three structures shown above (parsalmide, ethynyl estradiol, and dynemicin A).
(b) Draw structural formulas of at least two alkynes of each molecular formula.
(1) C6H10 (2) C8H12 (3) C7H8
ANSWER:
Answer :
(a) Count the elements of unsaturation in the three structures shown above .
Step 1
Parsalmide: Here each pi bond represents one element of unsaturation .
1 ring = 1 e.u.
In this there are 4 double bonds ,1 triple bond and 1 ring =7 unsaturation