A concise and efficient synthesis of various 2-aryl iminocyclitols is reported from (R)-p-hydroxyphenylglycine using Upjohn dihydroxylation and base-promoted intramolecular cyclization. These 2-aryl iminocyclitols are the important structural framework of various bioactive compounds and also known as glycosidase inhibitors.
Keywords
Upjohn dihydroxylation - alkaloids - iminocyclitols - diastereoselectivity - glycosidase inhibitor