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Chapter 5: Q56 E_b. (page 148)

Identify the indicated faces in the following molecules as Re or Si:

(a)

(b)

Short Answer

Expert verified

(b)

Step by step solution

01

Re or Si face

There are two planar faces in a compound, with a prochiral hybridized group designated Re and Si faces.The 鈥楻e鈥� face is clockwise, and the 鈥楽i鈥� face is anticlockwise. The Si face can be obtained by flipping the molecule.

02

The faces in the crotonate molecule

(b) According to C.I.P. sequence order, 鈥楻e鈥� face is given to the lower planar face, which is clockwise. 鈥楽i鈥� face is given to the upper planar face, which is anticlockwise.


Re and Si faces in crotonate

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Most popular questions from this chapter

The reactions shown below are unlikely to occur as written. Tell what is wrong with each, and predict the actual product.

Question:Which of the following objects are chiral?

(a) Soda can

(b)Screwdriver

(c)Screw

(d)Shoe

Ribose, an essential part of ribonucleic acid (RNA), has the following structure:

(a) How many chirality centers does ribose have? Identify them.

(b) How many stereoisomers of ribose are there?

(c) Draw the structure of the enantiomer of ribose.

(d) Draw the structure of a diastereomer of ribose.

Which, if any, of the following structures represent meso compounds? (Blue = N, green = Cl.)

Which of the following objects are chiral?

(a) A basketball

(b) A fork

(c) A wine glass

(d) A golf club

(e) A spiral staircase

(f) A snowflake

(e)
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