4. Provide skeletal structure(s) for the product(s) of the following reaction: 1) PHPB 2) NaOH, H2O
- Provide the product for the following reaction. CN 1. aqueous NaOH 2. H2O*
2) Provide the structure of the major organic product of the reaction below. -CH3 Br2, H2O 3) Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. H, H20 dilute aqueous acid 4) Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. CH3 1. Hg(OAc)2, H20 2. NaBH 5) Provide the structure of the major organic product of the reaction below. 1. BH3...
Preparation of Diphenylacetylene Post-Lab Questions: 2. Draw a stereospecific skeleti stereospecific skeletal structure for the dibrominated intermediate formed from the first step of this week's experiment (trans-stilbene reacted with PHPB). Is this intermediate chiral optically active? Explain why or why not: Pyridinium Hydrobromide Perbromide (E)-1,2-diphenylethene 3. Draw a stereospecific skeletal structure for the dibrominated intermediate formed from the reaction of cis-stilbene with PHPB (see below). Is this intermediate chiral? Is it optically active? Explain why or why not: Pyridinium Hydrobromide...
Provide the major organic product of the following reaction NaOH, H2O Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default.
Please show work 2. Provide the major product for the following reactions. 1. 12, NaOH, H2o 2. HCI (workup) 1. LDA 2. CH3CH2CH2Br 1. t-BuONa cyclopentanone 1. EtoNa 2. 1-Bromopentane 3. NaOH 4. Hyo*, heat 1. EtONa 2. Benzyl chloride 3. NaOH 4. H 0*, heat
For each of the following reaction sequences provide the structure of the final product. If there is more than one step, provide the structure(s) of any intermediate products. 1) Oso/H,02 4. H₃C CH₃ Will the product be a meso compound? 1) BH, THE 2) NaOH, HCO3 H₃C 1) H0/H Hac 1) Hg(OAC), in H,0 2) NaBH 1) NaNH, 2) (CH),CH,CH,Br 3) H,SO/H,0/ Hg(OAC), HCECH 1) NaNH, 2) (CH),CH,CH,Br 3) (Sia),BH 4) NaOH! Hoa Page 2 of 5
4. Complete the following reaction and answer the questions. 1. (Structure of LAH) 2. HC1, H2O a. Provide a mechanism of the reaction above. b. Provide two more approaches which can yield the same product in the reaction above. Different reagents and starting material are allowed to use. You need to show the reactions to earn full credits.
1. Provide the product and mechanism for the following HBr 2 equiv. H2SO4 HgSO4 H2O *No reaction mechanism necessary 1) BH3 2) H2O2, NaOH *No reaction mechanism necessary
Structure Analysis Provide the major product for the following reactions: 1. BH, THF 2. H2O2.NaOH Os04 NMO THF/H20 1. NaNH2 2. H20 HOSO, H2SO4 но 13. For one of the following reaction, provide a complete and detailed electron pushing mechanism accounting for the product that is obtained/indicated. Only one reaction mechanism will be graded. Use proper arrows. HB
5) Provide the product of each reaction shown below NaOH H2O 1) NaCN Br 31H0 2) CH3CH2MgBr 3) H20 COH 1) SOCI 2/(CH3CH2)2NH Bra CH3COOH 1) NaOEU/EVOH + HC0 Et 2) H30* ♡ weak + . CHOCOCH,en CHOCOCH CN base