4. Identify all electrophilic positions in compound A and all nucleophilic positions in compound B given...
Classify the circled atom as nucleophilic, electrophilic, or neither. Select one: O a. Nucleophilic O b. Electrophilic c. Neither Draw the mechanism for the following SN1 reaction. Indicate which of the following statements is true. Select all correct answers to receive full credit. Cl +NaF Select one or more: a. The mechanism involves only a loss of leaving group and a nucleophilic attack and no other steps. b. A carbocation rearrangement occurs. c. The first step is a proton transfer....
3. Indicate the nucleophilic group and the electrophilic group in each of the following reactions. then draw curved arrows to show the electron flow: H H-N: H-CI: Н (a) H-N H Н (b) HJ - :0: :O: (c) Cl: Cl-APCI: C : H-CI: A-CI: CF: 4. The following reaction has a small, positive AG and takes place slowly at room temperature:
The alpha-carbon in the enol tautomer of a carbonyl compound is: a. nucleophilic b. electrophilic c. amphiphilic d. sp2 hybridized as the ketone tautomer e. sp3 hybridized as the enol tautomer
2. Identify the nucleophilic center, the electrophilic center, and the leaving group in these nucleophilic acyl substitution reactions. مسلسل به مع کہا ہوئے - INH,
Identify the electrophilic and nucleophilic carbons.
Draw the B-hydroxy product of aldol condensation
Draw the dehydration product of aldol condensation
CHEMISTRY 204 CONDENSATION REACTIONS WORKSHEET 1. For each of the reactions below: identify electrophilic and nucleophilic carbons draw the B-hydroxy product of aldol condensation . draw the dehydration product of aldol condensation. OH, H2O heat a) CH3CH2CHCH3CH2CH OH, H2O b) CH3CH2CH CH3CH2CH2CH heat еон, H2O heat CH OH, H2O d) heat CH3CH2CH OCH3, CH3OH H, H20 CH3CCH2CH2CH2CCH3 heat
CHEMISTRY 204...
3. Indicate the nucleophilic group and the electrophilic group in each of the following reactions, then draw curved arrows to show the electron flow: (a) H- N H -CH: (D) - (C) NH :CI: CI-APë: :CA: 1-ci: A-CI: 4. The following reaction has a small, positive AG and takes place slowly at room temperature: H3C-CI H-OH - H3C-OH - H-CI (a) The mechanism for the reaction is shown below. Which bond is being broken in the slowest step? Which bond...
O H2N-OH 2. нса a Electrophilic addition b-E2 Elimination d- Sy2 Nucleophilic substitution-Nucleophilic subs at carbonyl(acyl Xfer) e-Electrophilic aromatic substitution h -Conjugate (nucleophilic) addn SNI Nucleophilic substitution r-Carbonyl nucleophilic addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a -i for your answers. 2. Submit Answor Retry Entire Group 9 more group attempts remaining
OCH3 3. Indicate the electrophilic or nucleophilic centers for the following compounds: a) b) d) 4. Answer the following questions regarding 2,3-dimethylbutane: a) draw any staggered Newman projection of this compound looking down the C2-C3 bond. b) draw the highest energy conformation (as a Newman projection). Label each example of steric and/or torsional strain. c) draw the lowest energy conformation. Identify any sources of steric or torsional strain if present. m md iminetahm 5 Draw tra possiblechair conformatex For Jbrom-s-7ethiTmethychayo...
8. Identify the nucleophilic and electrophilic sites (one of each) in the two reactants in the following reaction. HOME Гоме
DRAW ALL THE RESONANACE STRUCTURES THAT WOULD RESULT
FROM ELECTROPHILIC AROMATIC SUBSTITUTION OF THE ORTHO, META, AND
PARA POSITIONS OF THE AROMATIC COMPOUND SHOWN BELOW. IDENTIFY ANY
PARTICULAR STABLE OR UNSTABLE INTERMEDIATES AND DETERMINE IF THE
SUBSTITUTION IS ORTHO, PARA, OR META DIRECTING BASED ON THE
RELATIVE STABILITY OF THE INTERMEDIATES.
-t Br meta.