1 QUESTION 1 Which reagent would accomplish this reaction? Он Br PBr3 NaBr Br2 O COBR2
What is the best reagent(s) to accomplish the following reaction? ? + i PCC O (CH3)2C=CH2 1.03 2. DMS Ph3P=C(CH3)2 Which reaction sequence would accomplish the following transformation? Br OS NO2 O 1. Br2 2. H2SO4, SO3 1. H2SO4, HNO3 2. Br2, FeBr3 O 1. Br2, FeBr3 2. H2SO4, HNO3 O 1. H2SO4, HNO3 2. Br2
Predict reaction : Hic O NaOH ? ethanol HC NaOH ? H ethanol 1. Br2, PBr3 ? 2. H2O ОН Br NaOH --> Cl2 ? H is the reaction of a carboxylic acid derivative with ammonia or an amine to create an amide. a. Hydrolysis b. Alcoholysis c. Aminolysis d. Reduction e. Grignard's reaction
What would be the major product
of the following reaction sequence
o H30+ ОН + Br2 ? heat Br Br Br Doc IV II III
Question 19 Propose suitable reagent(s) to accomplish the following transformation. Br Br OH o
Predict the major product(s) of the following reaction. Br2 H2O Br Br ...Br ...Br "ОН """он **OH "OH III IV 1) Only II and IV 2) Only I and IV 3) Only I and II 4) Only II and III
What is the best choice of reagent to achieve the following reaction? Br HC, -CH₃ Hac. -CH3 ? a. NaBr b. HBr. H2O C. Br2 O d. NBS, heat
In each reaction box, place the best reagent and conditions from the list below. Br 1) Br 2) 3) 4) (CH3)3CO dilute H30* PBr3 Br2, H20 ВН-/THF H2CrO4 NaBH4 H2O2, NaOH, H20 CH3СOО-
2. Provide reagents that would accomplish each of the following transformations: , ОН НО Br. Br Br OH ОН
11) Which reagent can be used to accomplish the transformation shown below? CH3CH2CH2COCH2CH2CH3 CH3CH2CHBCOCH2CH2CH3 (A) Br/OH (B) Br2/CHCO2H (c) NaOE/EVOH (D) LDA/THF
4. Propose a mechanism for the following reaction. Br Br2 ОН 7