E TOOLS VIEW stereochemistry workshop-2 spring 2017 (Prctected View) -Word PROTE

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E TOOLS VIEW stereochemistry workshop-2 spring 2017 (Prctected View) -Word PROTECTED VIEW Be careful files from the Internet can contain viruses. Unless you need to ed its safer to stay in Protected View. Enable Editing Stereochemistry Workshop Problems (a) using the R, S) TIolalion provide complete stereochemical names each of these slereoisomen. 1. The complete TUPAC name for the following compound is Answer CH F A) (S) ro-2-methylbutane B (R)-1-fluro-2-methylbutane C) (S)-2 fluro- 2-methylbutane D) fluro- 2-methylbutane (b) Stereo omer [C] is a crystalline solid, stereo omer [A] is a liquid. Which other stereo would you expect to be a crystalline solid? Explain 2. The complete UPAC name for the following compound is: A. Using the R, S and the E Znotations Provide complete stereochemical names for each of the following CH3 CH3 A) (S) bromochlorofluromethane B (R)- brom ochlorofluromethane C) (S)-chlorobromofluromcthane DO R chlorobromoflurom cthane OH 3. Following are the four stereoisomers of 3-amimo-2-butanol. CH OH H2C. CH NH CH3 NH2 OH CH OH CH H BJ SCREENS 2 OF 10 025 AM 4/3/2017

Explanation / Answer

1) Ans.B & D (R)-1-fluro-2-methylbutane.

2) Ans.B (R)-bromochlorofluromethane.

3) Ans

A   (2R,3R)-3-Amino-2-butanol

B   (2S,3S)-3-Amino-2-butanol

C (2R,3S)-3-Amino-2-butanol

D (2S,3R)-3-Amino-2-butanol

4)

I ) (2R, 3E)-pent-3-en-2-ol

II) (2R, 3Z)-pent-3-en-2-ol

III) (2S, 3E)-pent-3-en-2-ol

IV) (2S, 3Z)-pent-3-en-2-ol

5) D

Constitutional isomers

6)

d)1S,2S

e) S

S R S

7)

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