midterm1key

midterm1key - Chem 30C, Spring 2011 1st Midterm Exam Prof....

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chem 30C, Spring 2011 1st Midterm Exam Prof. Ohyun Kwon, UCLA Your Name (Please Print) Question Your points , ., 2"(1'4BOints) ' ., ,3 (20 pomts) ,,,,, ,. .. .4 5‘ (/20fliioiuts) E ' 6"(12pbints) 3 TOtal {(100 pointfis) z E ; i PAGE 1 1. When a 1:1 mixture the two ketones below is treated with sodium hydroxide, six aldol products can be formed. 0 O 6/ + A (a) (12 points) Draw the structures of the six products. i 3 g 1. NaOH, H20 2. HCI, H20 é ; (b) (4 points) Pick one product from your answers above and show how your product of choice can be formed without the contamination from the other five aldol products. PAGE 2 2. (a) (6 points) What are the common names of the molecules below? a i N - DAN N/ g I / \ O\H/O / Z z\ {6 O z (b) (8 points) Draw structural formulas for the following compounds. p} l'lLllllL‘ intlulc lilhl um .\‘ ..'\’-dimethylaniline dilso r0 lamide (LDA) PAGE 3 3. (a) (16 points) List the following amines in order of increasing basicity. N NH \ NH2 02N NH2 NH2 4—» 0 JL E] O NHa N N H2N NH2 N/ 02N H H Least basic Mom has“: (b) (4 points) Explain why the most basic amine above is the strongest neutral nitrogen base. PAGE 4 4. Suggest how to facilitate the following transformations using reagents of not more than four carbons. (a) (6 points) COgEt CE? ° (b) (6 points) are (c) (6 points) We“ C6? PAGE 5 5. Provide product for each transformation. (a) (4 points) 0 City 1 equiv LDA, —78 °c, THF; (b) (4 points) Phi" H H202; NM82 heat (c) (4 points) Ph’fi H 1. Mel, K2003 WNMeZ . 2. A920, H20, heat ((1) (8 points) 1. NaOEt, COgEt 2. NaOEt, PhCHZBr 3020 3. NaOH, H20 4. HCI, H20, heat 5. SOCI2 6. piperidine 7. LiAIH4, THF; H30+ PAGE 6 6. Show how to facilitate the following conversions. O (a) (6 points) CW (b) (6 points) cozH . . or i \ / ...
View Full Document

This note was uploaded on 09/28/2011 for the course CHEM 30C taught by Professor Kwon during the Spring '08 term at UCLA.

Page1 / 7

midterm1key - Chem 30C, Spring 2011 1st Midterm Exam Prof....

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online