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. Author manuscript; available in PMC: 2018 Jul 20.
Published in final edited form as: Chem Commun (Camb). 2017 Jul 20;53(59):8280–8283. doi: 10.1039/c7cc04090c

Scheme 1.

Scheme 1

An efficient chemoenzymatic strategy for synthesizing complex glycosphingolipids by enzymatic extension of lactosyl sphingosine (LacβSph, 3) using sequential one-pot multienzyme (OPME) reactions with C18-cartridge purification after each glycosylation reaction followed by a simple acylation process. The structures of target α-Gal pentasaccharyl sphingosine Galα3nLc4βSph (2) and α-Gal pentasaccharyl ceramide Galα3nLc4βCer (1) are also shown.