What is the product of this reaction sequence? 1. Br2, Acetic Acid 2. Pyridine = 0...
please circle answer Shown below is the reaction between a nitrile and a Grignard reagent. What would be the first step in the mechanism? CN - 1. CH3MgBr 2. H307 Nucleophile attacks nitrile carbon Hydrolysis of the nitrile Protonate the nitrile nitrogen Base Beprotonates the alpha-carbon An unknown compound shows an infrared absorption around 2250 cm (medium intensity). What structural fragment could be causing this absorption? carbonyl OOH nitrile N-H NH 1. (CH3)2CHCOCI, pyridine 2. LIAIH4 3. H2O Product tertiary...
please help Which reaction sequence would best accomplish this transformation? ON N(CH3)2 LIN(CH3)2 SOCI (CH3)2NH NH, CH 1 (excess) O NaBH (CH3)NH Question 5 (2 points) Which reaction sequence is preferred for this conversion? chyckéon --ch,CH.CH O soc. CHUMBO SOCCHIO Which reaction sequence is preferred for this conversion? chyce.Con -ca.ch.ch O sock CHxMgBr – H40 O soch. (CH)Culi. OCHMBYMO O sock, CHL. HO
Predict the major product of the follow reaction sequence: 0 = -G pyridine to No Reaction (2) Ol=0 + do Na THF, 25°C (lower temperature)
What is the major product is this reaction sequence? Cl2, hv 5 Hg(OAc)2, H20 NaBH4 Br2 NaOET EtOH FeBr3 OH OH OH ot Br Br Br A B с D ΟΑ B D Which is the major product of this reaction? CN 1. EtMgBr 2. acid workup one OH or one A B с D B оооо What is the major product of this reaction? 1. aq. NaOH 2. acid workup NH он for HN. NH но. он NH2 -он...
1) Reactions. Provide the major products for each reaction sequence, account for stereochemistry 1) KMnO4, A 2) SOCI, CH2Cl2 3) 2 equiv. 1) ethylene oxide, THF 2) H3O+ workup Culi 3) DIBAL-H, THF 4) H3O+ workup 5) cat. TsOH, THF H3CCHE (c) HN COH 1) excess LAH, THE 2) H30+ workup 3) 1 equiv. EtN, DMF 4) pyridine i ( " culi , THF (d) PC Ph 2) H3O+/H2O workup 3) KMnO4, A 4) CH,OH, cat. H2SO4 5) cat. TsOH,...
Predict the major product of the follow reaction sequence: pyridine OH (2) NECK® OZ = 2:0..( O= THF, 25°C (lower temperature) DMF ОА OB oc
Draw the major product of the following reaction sequence. VL1.CO2 SOCI2 OH 2. H30+ pyridine pyridine Create OscerSketch Answer 1
What are the products of number 5,6,7,8? 3. Predict the product for the following reaction sequence AlCl3 pyridine 1. LiAIH4, ether 2. H30 CH OCH, HO (CHCH2 CuLi ether, 78° O 1. LiAIHA, ether 2. H3O 8. ?? 10
Question 26 (1 point) Saved Which best describes this transformation? Meo, CO Me Et Et NaoMe (2 equivalents) MeOH + H2NNH2 HNNH O 2 intermolecular nucleophilic acyl substitutions An intermolecular followed by intramolecular nucleophilic acyl substitutions O 2 intramolecular nucleophilic acyl substitutions O An intramolecular followed by intermolecular nucleophilic acyl substitutions Question 27 (1 point) What is the product of this reaction sequence? 1. NaOEt 2. BrCH_CH_CH_Br (0.5 molar equivalent) 3. NaOEt 4 H30*, Heat CH(COCH2CH3)2 -COH HOO.COM C.com HOC...
What is the expected major product for the following reaction sequence? 1. OsO4, pyridine 2. H20, NaHSO3 OH OH OH OH OH + O + O + enantiomer + enantiomer HO IV A. I D. E. IV None of the above