This proposed alpha-alkylation reaction would not work. Identify what is wrong with it.1. LiNi-Pr₂/THF2. CH3CH₂Brhere or pull up for additional resourcesAThis reaction would require a different solvent.CH₂BThe base is too weak to deprotonate this compound.сThere is a problem with the order of addition.DThe wrong nucleophilic position was used.

The correct answer is (D) The wrong nucleophilic position was used.Explanation:

Answered: This proposed alpha-alkylation reaction…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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2. In the following reactions identify the nucleophile by writing Nu on the atom that does the attacking. Then circle the atom that is the leaving group in the electrophile. a. b. N Br F + + Na Me Iton MeOH olapidmolo-1 ydw niele, brinsw Insbrta staulis pach Maiy book
13. The presented scheme has flaws. What is/are the flaw/s? CH3 соон 1. Cl2, FeCk 2. KMNO, 14. Predict major product/s that would form during alkylation reaction presented below SO3H CH;CH;CI AIC3
What is the rate-determining step in the mechanism of an electrophilic substitution reaction of benzene? Select one: OA. Attachment of the electrophile to benzene ring. OB. Bonding of catalyst to electrophile precursor. O C. Reformation of acid catalyst. OD. Formation of the electrophile. OE. Loss of H+ ion form arenium ion intermediate to reform aromatic ring.
This proposed alpha-alkylation reaction would not work. Identify what is wrong with it. ан 1. LiN-Pr₂/THF 2. CH3CH2Br CH3 A) This reaction would require a different solvent. B) The wrong base was used. C) There is a problem with the order of addition. D) The nucleophile isn't appropriate for this electrophile.
1. Rank the following from most reactive (number 1) to least reactive (number 4) toward nucleophilic acyl substitution. ob ob or ollo 2. Carboxylic Acids. Fill in the missing reagents or products. Indicate the section where each reaction can be found. (From Chapter 20 Reaction Wheel) NO₂ F руг. NH3 (xs) OH E OH B C 1. SOCI₂, pyr 2. (CH3)2CuLi D or
Rank the nucleophiles in each group in order of increasing nucleophilicity. а. "ОН, NH, Ha0 b. "OH, Br", F (polar aprotic solvent) c. H20, "OH, CHC0O
Match each reaction with its type. H,0* + CH,NH, но Choose.. Choose... E2 H,O* Nucleophilic Acyl Substitution OH но H,0 Nucleophilic Addition SN2 Electrophilic Addition HCI E1 heat None of the above SN1
Q5. A. Complete the incomplete reactions. Also write stepwise mechanism for the given reactions. CH3 i. BH3, THE ii. H2O2, HO Br H20 ii. H3C OH H. H3C Br Br2, H20 CH3 Br OH organic solvent CH3 КОН CI V. + CHCI3 KCI CI
Question 20 In a unimolecular elimination (E1) reaction, the correct order of mechanistic steps is А. dissociation of the leaving group, then deprotonation at the ß position. simultaneous dissociation of the leaving group and deprotonation of the B position. association of the nucleophile/base, then dissociation of the leaving group. deprotonation at the B position, then dissociation of the leaving group. В. C. D. В O A
Which reaction (s) does an anhydride produce? HO. NEl3 CI КОН I. calor OK II NH2 O. IV HO HO. calor III a. Ob., IV Oc. I, II d., II, III, IV
4. Circle the electrophilic and nucleophilic atoms in each substitution reaction below. Provide the neutral organic product; where a stereocenter is created, use a wavy bond to indicate a mixture of configurations or wedges/dashes for stereospecific reactions. Also, provide the dominant reaction mechanism (Sn2 or SN1) somewhere in each box. A. Br NaSEt DMF В. ELOH C. .SO2NHNA Cl + D. NaH Br- HO, DMF
Circle the correct bolded word. a. Hydrogenation of an alkyne with palladium on carbon can / cannot be controlled to give an alkene. b. When a reaction becomes more exothermic, the transition state looks more like the substrate / product. C. Addition of two equivalents of HBr to an alkyne results in a vicinal / geminal dibromide. d. An SN2 reaction involves the collision of two alkyl halides to form a new carbon-carbon bond. True / False

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