1,3-Dioxolane C-Nucleosides: Asymmetric Synthesis of Four Stereoisomers of 2-[2-(Hydroxymethyl)-1,3-Dioxolan-S-yl)-1,3-Thiazole-4-Carboxamide

Add time:07/15/2019    Source:sciencedirect.com

Asymmetric synthesis of four novel C-nucleosides, (2′R,5′R)-, (2′S,5′R)-, (2′S,5′S)- and (2′R,5′S)-2-[2-hydroxymelhy])-1,3-dioxolan-5-yl]-1 ,3-thiazole-4-carboxamide has been accomplished by the condensation of key intermediates, 2-(1R- and 1S-glycol-1-yl)-4-ethoxycarbonyl-1,3-thiazole with 2-benzoyloxy acetaldehyde dimethyl acetal.

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