Topic: Conjugation

Articles by Topic "Conjugation"

Knowledge Base
Technical articles

Experimental Assessment of HOPO in Carbodiimide-Mediated Amide Coupling: Low-Racemization Control, Application Scenarios, and Process Considerations

2-Hydroxypyridine N-oxide (2-hydroxypyridine N-oxide, HOPO) is commonly referred to simply as HOPO. In published pharmaceutical process case studies, it can be found in amide coupling conditions used in combination with carbodiimides such as EDCI, especially in steps where racemization control, ...

Updated Apr 20268 min read ✓ Reviewed
Technical articles

Experimental Assessment of Dibenzyl N,N-Diisopropylphosphoramidite for Alcohol O-Phosphorylation: Coupling, Oxidation, and Debenzylation

In alcohol O-phosphorylation, dibenzyl N,N-diisopropylphosphoramidite does not correspond to a one-step construction of the free phosphate. Rather, it belongs to a stepwise synthetic route. In the initial stage, a protected phosphate fragment is first attached to the alcohol in the form of a ...

Updated Apr 20268 min read ✓ Reviewed
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