Select the most suitable reagent and reaction .conditions for the following conversion. 15. Br Br Br Br Br Br A Brz, U V light Br2, AICI3 C Br2, FeBr3 D B Brz. CCI4
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- 7. Reaction Scheme. NH₂ NH2 or two differnet methods (no same steps/reagents) C5H12N2 1. xs Mel, xs K2CO3 2. Ag2O, H₂O 3. heat Br2, xs NaOH, xs H₂O OHC 1.03 2. DMS CHOMatch the reaction with the mechanism that it proceeds through. HO, HO. X catalytic H₂SO4 HBr Br₂ light 1. Free Radical Chain Reaction 2. SN1 3. SN2 4. E1 5. E23. Which of the following a a radical propagation step? a. Y+ + H-Br b. XH + Br. hv Br₂ Y. + + Br. Br+ Br. Br Y· Y→ X +
- uestion 8 of 8 Step 2 Draw step 2 of the mechanism. OりCX 0 @ H + H,C CI Br .. MacBook Air 吕口 888 F5 F7 FB F10 23 2$ 4 & 2 3 5 7 8 9 W E R. T Y D F K T Z +| +† +t +l *3a. b. C. d. E. 3) Give the mechanism но O LOH 0 1.) Brz, H₂0 2) NaOH 1.) NaH 2) Br HOS xs HIS 0 2 •SH N₂UH, Brz H ₂0 |17. Identify the major product of the following reaction. Br IN соз Br Br2, FeBr3 Br ? Jos jos Br || IV
- с-НCI (1 drop) H. OCH2CH3 H2N NH2 O2N ethanol, reflux 1. major product 2. the most plausible mechanism plzWrite down major r producto), or other recietent6) and/or fallawine the reactionconditions for the Ht Na BH (OAC)S +(CH2)2NH 1. CH3 CH2 Mg Br 2. H30+ CH2CN CH30 OEt 1.NaOH, tho A 2. H3ot 3. AChemistry Section II. Structure and Mechanism 1. a. Sometimes "Polyene" cyclization reactions can be catalyzed by a transition m etal. Provide a mechanism for th below. Pd°Ln Me Me MECN, Et,N Me Me
- The following steps, which are in no particular order, have been proposed for the initiation and propagation of a radical chain-reaction mechanism. Br BuzSn. + Bu,Sn-Br + H H-SnBu3 •SnBug + + H,C CH, С — CN CH3 N=N + NEN 2 H3C-C H3C CN H3C CN CH3 CH3 H-SnBu3 + •SnBu, + H3C `CN H,C CN (a) Draw in the appropriate curved arrows for each step. (b) Label each step as either initiation or propagation. (c) Write the balanced net reaction. (d) Provide two plausible termination steps, including curved arrows.CH,CH,СH, CI CH,СНHCICH, + 2HCI 2CH,CH,СH, + 2C1, The chlorination of propane proceeds as a radical chain reaction. Sort the 7 reaction steps (you may need to scroll down to see them all) into categories of: Initiation Propagation Termination сн, сH,CH,. CH3CH2CH2 CH,CH, CH, -di: сHсHCH- di: а — б: — 2б Cl CH3CH2CH2 CнснсH. СH,сH,CH, -н CH3CHCH3 н— н—й: сн,бнсн, CH,CнсH, CH CHCH сH,снсH,.2 Indicate if the following is likely to go through a S1 or SN2 mechanism. a) NaCI, H20 H3C-I H,C-CI 9) OCH, OCH, b) NaCN ČN h) Br Br Nal c) KBr to Br NaBr, DMSO Br LiBr, DMSO Br j) OH-, H,0 он e) Nal, CH3OH Br k) Br OH f) H20 HBr Br H20