EBK ORGANIC CHEMISTRY STUDY GUIDE AND S
6th Edition
ISBN: 9781319385415
Author: PARISE
Publisher: VST
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Chapter 25, Problem 25.12P
Interpretation Introduction
Interpretation:
The curve arrow mechanism for the hydrolysis of phosphotyrosine esters in protein by enzyme catalysis with enzyme protein phosphotyrosine phosphatases including the structure of the phosphoenzyme intermediate is to be shown.
Concept Introduction:
In the hydrolysis of phosphotyrosine esters in protein proceed through phosphoenzyme intermediate formed by nucleophilic attack of thiol of cysteine residue, which is further on nucleophilic attack of water forms the phosphate.
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Students have asked these similar questions
Part 2. A solution of 6.00g of substance B in 100.0mL of aqueous solution is in equilibrium, at room temperature,
wl a solution of B in diethyl ether (ethoxyethane) containing 25.0 g of B in 50.0 mL
9) what is the distribution coefficient of substance B
b) what is
the mass of B extracted by shaking 200 ml of an aqueous solution containing
10g of B with call at room temp):
i) 100 mL of
diethyl ether
ii) 50ml of diethyl ether twice
iii) 25ml of diethyl ether four times
- Rank the following groups of compounds from most acidic (1) to least acidic (4). Place the number
corresponding to the compound's relative rank in the blank below the structure.
a.
NO₂
NO₂
CH2CH2CH2CH2OH
CH3 CH3CH2CHOH
CH3CH2CH2CH2OH
NO₂
CH3CHCH2CH2OH
b.
OH
OH
CH₂OH
CO₂H
HC
CN
CN
CN
Give the major organic product(s) of the following reactions or sequences of reactions. Show all
relevant stereochemistry
a.
H
MgBr
1. ether
2. H₂O*
4
COH
b.
1. LIAIH, ether
2. H₂O
Choose the best reagent(s) for carrying out the following conversions from the list provided below.
Place the letter of the best choice in the blank to the left of the conversion. Reagents may be used
more than once.
a. 1.
CH3MgBr, ether
2. H3O+
NaOH
b. 1.
PBr3
2.
C.
2.
1. (CH3)3SiCl, (CH3CH2)3N
CH3MgBr, ether
3. H₂O*+
2. H3O+
e. 1. p-TosCl, pyridine
f.
نها
g.
2. NaOH
CrO3, H₂SO4, H₂O
1.
NaBH4, ethanol
2. H30*
h. PCC, CH2Cl2
Ovoldo-6
a.
b.
OH
OH
H
OH
O
any organic
Chapter 25 Solutions
EBK ORGANIC CHEMISTRY STUDY GUIDE AND S
Ch. 25 - Prob. 25.1PCh. 25 - Prob. 25.2PCh. 25 - Prob. 25.3PCh. 25 - Prob. 25.4PCh. 25 - Prob. 25.5PCh. 25 - Prob. 25.6PCh. 25 - Prob. 25.7PCh. 25 - Prob. 25.8PCh. 25 - Prob. 25.9PCh. 25 - Prob. 25.10P
Ch. 25 - Prob. 25.11PCh. 25 - Prob. 25.12PCh. 25 - Prob. 25.13PCh. 25 - Prob. 25.14PCh. 25 - Prob. 25.15PCh. 25 - Prob. 25.16PCh. 25 - Prob. 25.17PCh. 25 - Prob. 25.18PCh. 25 - Prob. 25.19PCh. 25 - Prob. 25.20PCh. 25 - Prob. 25.21APCh. 25 - Prob. 25.22APCh. 25 - Prob. 25.23APCh. 25 - Prob. 25.24APCh. 25 - Prob. 25.25APCh. 25 - Prob. 25.26APCh. 25 - Prob. 25.27APCh. 25 - Prob. 25.28APCh. 25 - Prob. 25.29APCh. 25 - Prob. 25.30APCh. 25 - Prob. 25.31APCh. 25 - Prob. 25.32APCh. 25 - Prob. 25.33APCh. 25 - Prob. 25.34APCh. 25 - Prob. 25.35APCh. 25 - Prob. 25.36APCh. 25 - Prob. 25.37APCh. 25 - Prob. 25.38APCh. 25 - Prob. 25.39APCh. 25 - Prob. 25.40AP
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