7a. CH3 CH3 Br2 OCH3 НзСОН Br 7b. Br2 ROOR 7a. CH3 CH3 Br2 OCH3 НзСОН Br 7b. Br2 ROOR
Which of the following would serve as syntheses of (CH3)3CCO,H? i. Br2, ROOR ii. Mg. E, ii. CO2 iv. H307 i. Br2, ROOR ii. CN iii. OH®, H20, heat iv. H30+ i Cly/OH" (excess) ii. H307 i. Brz, ROOR ii. Mg. E, iii. CO iv. H307 i Cly/OH" (excess) ii. H30* X 1950F (exces) and i. CIV/OH" (excess) ii. H30* and i Bry. ROOR ii. CN ii. OH", H20, heat iv. H30*
Which of the following undergoes the most rapid electrophilic aromatic substitution with Brz/AlBr3 CH3 OCH3 OCH3 OCH3 Br a) b) c) d) NO2 OCH3 OCH3 SO3H LO) What is the major product of this reaction: H2CO Brą, light Product Br Br mootorror H3CO. H3CO. d)
4. Draw the structures of the compounds formed in the following synthetic schemes. Br2 (CH3)2CHCH2CH3 UV NaOEt HBr C ROOR 1. Br2 E KOTBU ETOH 2. NaNH2(xs) 3. Нао light a. OH CHCH3 TsCl -сHа HBr B ROOR Кови A На C NaCECH 1. BH E 2. H2O2 NaOH F base Lindlars catalyst b. Br NaOMe HBr A ROOR 1. Br2 с 2. NANH2(xs) 3. H2O KOtBu В (CH3)2CCH2CH3 D MeOH с. Br2 NaOMe HBr c NaC CHD На (CH3)3CH...
Question 11 What is the major organic product obtained from the following reaction? OCH Br OCH3 OCH3 OCH3 Br2 Br FeBr3 Br CN CN Br CN CN 1 2 a. 1 b.2 C. 3 d. 4
Draw the major organic product of the following reaction. 1) Br2 hv HBr ROOR HBr ROOR
Please help with these practices. Which undergoes the fastest electrophilic substitution with Br2 or AlBr3? Which substrate undergoes the most rapid electrophilic substitution with HNO3/H2SO4? Which reaction sequence results in this? What is the major product for the reaction? CH3 Оснз осна осна Br Б) с) d) NO2 осна осна OCH2CH3 OCH2CH3 H2C a) b) c) d) CH3 SO3H NO2 SO3H OCH3 Br OCH3 CI a) SO3 H2SO4 HNO3 H2SO4 Pd(OAC)2 AICI: (HO)2B OCH3 Br2 b) HNO3 H2SO4 SO3 H2SO4...
11) Predict the product of the following transformation: HC H H2O CH2CH2 CH3 Br2 Br H H2C Br CH3 H,Ca A) CH,CH, OH CH3CH, OH B) OH H OH H H2C CH,CH2 Br Br CH,CH, CH' D)
Testbank, Question 002 Select the best reagents for the reaction below. O Br2/hv O Br2/ROOR O HBr/ROOR O hv /NBS
In each reaction box, place the best reagent and conditions from the list below. 1) Br 2) NBS, ROOR, hv HBr, ROOR, hvBr2, H20 CH3COO Br2 BH/THF Br2. hvNHHB PBrs H202, NaOH, H (CH3)CO
What is a product of the following reaction? Br2 CH3OH (b) (c) (d) OCH3 Cechte 'OCH3 OCH3