Part (a) Identify the key characteristics of click chemistry. Detail, using schematics, the use of ligand co-catalysts as an important proponent of the overall CuAAC mechanism. Part (b) (1) (ii) Parallel synthesis and combinatorial chemistry are two approaches to the development of drug libraries. Identify the key differences between the two and compare the advantages and disadvantages of both. The structure below is a part of an overall oligonucleotide generated through solid- phase synthesis. Identify the 3 sites that need to be protected during the SPS process and provide an example of a protecting group that can be used in each site. Choose any one of the protection groups and describe the deprotection mechanism.

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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Part (a)
Identify the key characteristics of click chemistry. Detail, using schematics, the use of
ligand co-catalysts as an important proponent of the overall CuAAC mechanism.
Part (b)
(1)
(ii)
Parallel synthesis and combinatorial chemistry are two approaches to the
development of drug libraries. Identify the key differences between the two and
compare the advantages and disadvantages of both.
The structure below is a part of an overall oligonucleotide generated through solid-
phase synthesis. Identify the 3 sites that need to be protected during the SPS
process and provide an example of a protecting group that can be used in each
site. Choose any one of the protection groups and describe the deprotection
mechanism.
0-P=0
Part (c)
Nusinersen is an ASO used for the treatment of spinal muscular atrophy (SMA). Using your
knowledge of antisense oligonucleotide development, identify the key aspects of the design
of this oligonucleotide. Suggest possible chemical modifications that can be introduced to
improve its targeting properties in cellular environments. Use schematics and provide
reasoning for all changes made.
Transcribed Image Text:Part (a) Identify the key characteristics of click chemistry. Detail, using schematics, the use of ligand co-catalysts as an important proponent of the overall CuAAC mechanism. Part (b) (1) (ii) Parallel synthesis and combinatorial chemistry are two approaches to the development of drug libraries. Identify the key differences between the two and compare the advantages and disadvantages of both. The structure below is a part of an overall oligonucleotide generated through solid- phase synthesis. Identify the 3 sites that need to be protected during the SPS process and provide an example of a protecting group that can be used in each site. Choose any one of the protection groups and describe the deprotection mechanism. 0-P=0 Part (c) Nusinersen is an ASO used for the treatment of spinal muscular atrophy (SMA). Using your knowledge of antisense oligonucleotide development, identify the key aspects of the design of this oligonucleotide. Suggest possible chemical modifications that can be introduced to improve its targeting properties in cellular environments. Use schematics and provide reasoning for all changes made.
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