The validation concerning the molecule, sphingosine according to the given description has to be stated. Concept introduction: Sphingosine is the 18 carbon monounsaturated amino dialcohol platform for sphingolipids. Fatty acids and phosphate groups attached to sphingosine molecule and an alcohol attached to the phosphate group give sphingophospholipids.
The validation concerning the molecule, sphingosine according to the given description has to be stated. Concept introduction: Sphingosine is the 18 carbon monounsaturated amino dialcohol platform for sphingolipids. Fatty acids and phosphate groups attached to sphingosine molecule and an alcohol attached to the phosphate group give sphingophospholipids.
Solution Summary: The author explains that the validation concerning the molecule, sphingosine according to the given description has to be stated.
Definition Definition Organic compounds with a nitrogen atom having a lone pair of electrons on it. Amines are derived from ammonia (NH 3 ), wherein hydrogen atoms are substituted by an aryl or alkyl group.
Chapter 19, Problem 19.78EP
(a)
Interpretation Introduction
Interpretation: The validation concerning the molecule, sphingosine according to the given description has to be stated.
Concept introduction: Sphingosine is the 18 carbon monounsaturated amino dialcohol platform for sphingolipids. Fatty acids and phosphate groups attached to sphingosine molecule and an alcohol attached to the phosphate group give sphingophospholipids.
(b)
Interpretation Introduction
Interpretation: The validation concerning the molecule, sphingosine according to the given description has to be stated.
Concept introduction: Sphingosine is the 18 carbon monounsaturated amino dialcohol platform for sphingolipids. Fatty acids and phosphate groups attached to sphingosine molecule and an alcohol attached to the phosphate group give sphingophospholipids.
(c)
Interpretation Introduction
Interpretation: The validation concerning the molecule, sphingosine according to the given description has to be stated.
Concept introduction: Sphingosine is the 18 carbon monounsaturated amino dialcohol platform for sphingolipids. Fatty acids and phosphate groups attached to sphingosine molecule and an alcohol attached to the phosphate group give sphingophospholipids.
(d)
Interpretation Introduction
Interpretation: The validation concerning the molecule, sphingosine according to the given description has to be stated.
Concept introduction: Sphingosine is the 18 carbon monounsaturated amino dialcohol platform for sphingolipids. Fatty acids and phosphate groups attached to sphingosine molecule and an alcohol attached to the phosphate group give sphingophospholipids.
Part II. Given two isomers: 2-methylpentane (A) and 2,2-dimethyl butane (B) answer the following:
(a) match structures of isomers given their mass spectra below (spectra A and spectra B)
(b) Draw the fragments given the following prominent peaks from
each spectrum:
Spectra A m/2 =43 and 1/2-57
spectra B m/2 = 43
(c) why is 1/2=57 peak in spectrum A more intense compared
to the same peak in spectrum B.
Relative abundance
Relative abundance
100
A
50
29
29
0
10
-0
-0
100
B
50
720
30
41
43
57
71
4-0
40
50
60 70
m/z
43
57
8-0
m/z = 86
M
90 100
71
m/z = 86
M
-O
0
10 20 30
40 50
60
70
80
-88
m/z
90
100
Part IV. C6H5 CH2CH2OH is an aromatic compound which was subjected to Electron Ionization - mass
spectrometry (El-MS) analysis. Prominent m/2 values: m/2 = 104 and m/2 = 9) was obtained.
Draw the structures of these fragments.
For each reaction shown below follow the curved arrows to complete each equationby showing the structure of the products. Identify the acid, the base, the conjugated acid andconjugated base. Consutl the pKa table and choose the direciton theequilibrium goes. However show the curved arrows. Please explain if possible.
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