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Testbank, Question 119 [2] Your answer is incorrect. Try again What is the product of the following ring-closing metathesis reaction? Cl Ph PCy3 Ph Ph Ph Ph O IV Review of Skills - Skill Builder 23.04 Coenzyme Q10 (also called ubiquinone) is a natural product that is found throughout the human body. It resides in the nonpolar regions of biological membranes and is involved in a number of essential biochemical processes, including en generation. It can be prepared using a Negishi cross-coupling reaction between the following two partners: MeO CI MeO Coenzyme Qso is sold as a dietary supplement that is purported to produce a number of benefits, including an eneroy boost after exercdise and an immune system aid. Draw the structure of coenzyme Q10- Your answer is incorrect. Try again. Identify the carbon atoms that will be joined via a new ơ bond. Oo Meo CI 1 and 4 C 2 and 4 3 and 5 C 1 and 5 C 2 and5 and an an an Question Attempts: 2 of 3 u Do You Remember? Question 8 Which of the following compounds will be able to serve as an initiator in radical polymerization? Choose all that apply. NaOH HOOH

Answer 1

Question 119.

The right answer is compound I.

The mechanism for the formation of the compound I can be drawn as follows.

Skill Builder 23.04.

7 l?Ui Ph Ph

The right answer is 1 and 4.

The mechanism is shown below.

Question 8.

Mi me o 2

The answer is di-tert-butyl peroxide, i.e. (CH₃)₃COOC(CH₃)₃.