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**WRITTEN WORK** For the following set of reaction conditions, use the table to identify which mechanism...
give the major product and
mechanism used. label leaving group, solvent and Nucliphile and
also identify what reaction it is ( Sn1, sn2, e2 or e1)
use
arrow pushing
LOT с онт CH2CO2Na CH2CO2H
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway? O a. Neutral nucleophile work just fine. b. The leaving group is typically the conjugate base of a strong acid. O c. The rate is not dependent upon the concentration of the nucleophile. d. The temperature is relatively "cooler" to reduce competing elimination products. e. The solvent is polar and aprotic. Of. The substrate has a leaving group that is typically on a 30,...
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Which reaction pathway is favored given the following substrate and conditions? Ci xi NaBr Acetone a. SN2 b. Sni c. E1 d. SN2/E2 e. E2 f. Sn1/E1
If you desire to perform a "clean" E2 reaction, which of the following factors helps avoid competition with SN2 mechanism? a. use of a polar solvent b. use of a hindered bulky base c. use of a good nucleophile d. use of a good leaving group Alcohol dehydration is mechanistically an: a. SN2 reaction b. E2 reaction c. E1 reaction d. SN1 reaction
Which reaction pathway is favored given the following substrate and conditions? CH3OH -78 °C OTS a. Sn1/E1 b. Sn2/E2 CSN2 d. E1 e. E2 f. SN1
Provide a mechanism with
arrows of this reaction
b) In our reaction, which factors create conditions favorable
for an SN1 mechanism, which
factor(s) suggest that the mechanism might prefer an SN2
mechanism?
HO-6 но но но-s Camphor-10-sulfonic MW 232.30 он он OCH3 OCH3 4-Methoxybenzaldehyde Methyl α-D-gluco- pyranoside GlcMe MW 194.2 DMSO Axial position of OCH3 group dimethyl acetal acid (racemic) on C-1 indicates a-configuration MW 312 MW 182.2 bp 235 °C den. 1.068 solvent mp 167 - 168 °C mp...
Q1. Identify the reaction mechanism most likely to take place (E1, SN1, E2, SN2 or a combination of these) in each of the following cases. Draw the major product(s), include stereochemistry when relevant. Br -OtBu Br NaCN, DMF → CI Носна 1. Nal/acetone 2. NaCN/DMF NaoMe H2SO4 OH Lyon CN (CH3)2CO CI NaOH →
We begin with the surmise that the nucleophilic substitution reactions can occur only by one of two mechanisms: Sn1 solvolysis: three-step mechanism R-X slow, R® + to R® + ROH fast , ROM R' H. R-O + R'OH fast , ROR' + R- SN2: one-step mechanism R-X + Nuc slow, Nuc-R + x Begin by answering the three questions below. If you don't understand what's up, please ask! 1. Write out the rate law for the above Sn1 reaction and...
1. Determine whether the following reactions will go through SN1, SN2, E1, or E2 mechanism a. 1-bromobutane + sodium hydroxide b. 2-chloro-2-methylpentane + sodium hydroxide + heat C. 2,3-dimethyl-3-bromopentane + water d. 2-bromobutane + methanol 2. Draw the major product for the following reactions (draw both products if racemic): NaSH DMSO TsO CHA Nal CH, acetone CH,CH,ONa+ ethanol CH,OH/H-0 Solite Nal (1 equiv.) acetone F CH2CH OH 25°C
find products for the following interactions and identify the
mechanism as sn1, sn2, e1, or e2
A) 2-Iodo-2-phenyl butane + water CH3-CHO-Na+ / ethanol B) 2-Chloro-2-methyl propane + СН3 H3C CH C) 1-Chloro pentane + Nal / acetone + Concentrated H.SO. (No Water added) -----> D) 2-phenylbutan-2-ol ОН 10 pts) E) Write a complete mechanism for Reaction D above Be sure to show the intermediate or transition state.