Practical and Efficient Method for α-Sialylation with an Azide Sialyl Donor Using a Microreactor
Yosuke UchinashiDepartment of Chemistry, Graduate School of Science, Osaka University,1‐1 Machikaneyama, Toyonaka, Osaka 560‐0043, JapanKatsunori TanakaDepartment of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan; RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, JapanYoshiyuki ManabeDepartment of Chemistry, Graduate School of Science, Osaka University,1‐1 Machikaneyama, Toyonaka, Osaka 560‐0043, JapanYukari FujimotoDepartment of Chemistry, Graduate School of Science, Osaka University,1‐1 Machikaneyama, Toyonaka, Osaka 560‐0043, JapanKoichi FukaseDepartment of Chemistry, Graduate School of Science, Osaka University,1‐1 Machikaneyama, Toyonaka, Osaka 560‐0043, Japan
2014en
ABI
Abstract
Efficient α-sialylation with a C5 azide sialyl donor was investigated under microfluidic conditions using a microreactor composed of a Comet X-01 micromixer and a tube reactor. Precise temperature control realized excellent α-selectivity, and Siaα(2,6)Gal, Siaα(2,3)Gal, and Siaα(2,9)Sia disaccharides were obtained in moderate to good yields.
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