Furanose Monosaccharides

Monosaccharides also occur in a furanose form. Furanose forms can be more difficult to work with because the ring is analogous to cyclopentane—i.e. they have a greater number of conformations that must be taken into account than the pyranose type. If a furanose pictured below has more than one name, then the less-used name is written below in smaller print.

The furanose and pyranose forms of D-glucose
The furanose form of D-glucose has not been isolated

Several Furanose Monosaccharides

apiose
3-C-hydroxymethyl-D-glycero-tetrofuranose
(of parsley)
deoxy ribose
2-deoxy-β-D-erythro-pentofuranose
blastmycinone
(of blastmycin)
 

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