Carb-34. Replacement of Ring Oxygen by Other Elements

2-Carb-34. Replacement of ring oxygen by other elements 

5-Amino-5-deoxy-D-glucopyranose trivial name nojirimycin 

1-Amino-1,5-anhydro-1 -deoxy-D-mannitol or 1,5-dideoxy-1,5-imino-D-mannitol trivial name deoxymannojirimycin 

Note the extension of the use of anhydro in the above example to include the elimination of water between -NH2 and -OH (cf. 2-Carb-26). 

Methyl 3-deoxy-3-aza-a-D-nbo-hexopyranoside 2-Carb-34.2. Replacement by carbon 

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