Starting from 2-deoxyribose, 1-chloro-2-deoxy-3,5-di-O-p–toluoyl-α-D-pentofuranosyl was synthesizedvia the way of methylation, protection and chlorination, then the sugar moiety was condensed with 2-chloro-6-aminopurineand deprotection to give cladribine with an overall yield of 21%.

Research on Cyhalothrion-β-CD's Clarithromycin Preparation Process;

Preparation and in vitro floating characteristics of floating-bioadhesive microcapsules containing clarithromycin;

Preparation of clarithromycin-containing floating pellets in stomach;

Prospects of exploring Palaeozoic primary oil and gas pools in southern area of North China cratonic basin;

Formation mechanism and tectonic types of intracratonic paleo-uplifts in the Tarim basin;

Relationship between gas carbon isotope and maturity in cratonic basin, Tarim Basin;

Selective production of clavulanic acid by lat gene replacement in Streptomyces clavuligerus;

Breeding of clavulanic acid producing strain and optimization of fermentative conditions;

Clinical analysis of amoxicillin-clavulanic acid consecutive therapy in treating acute community-acquired low respiratory tract infections;