What is Repetition and Optimization

The synthesis may require multiple rounds of these steps, and optimization of reaction conditions to improve yield and selectivity.

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Synthesis of neothramycins A and B
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Asymmetric synthesis Stereoselective synthesis Total synthesis D-ribose Cyclization Carbon-carbon bond formation Isolation and Purification Retrosynthetic analysis Purification and characterization Final steps Stereochemistry Control Purification and Analysis Functional Group Transformations Protection and Deprotection Chiral Starting Materials Elaboration Coupling reactions Stereocontrolled Reactions Assembly of Fragments Ester Formation Isolation and Analysis

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