Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... De-branched nagstatin and its analogs have been synthesized from protected L-ribo- and xylofuranoses through the inter- and intra-molecular nucleophilic reactions with the imidazole moieties. ... Nagstatin analogs (1∼5) have been synthesized from l-ribo- and xylofuranoses through the inter- ...