Match the following terms about carbohydrates 1: aldaric acid 2: aldonic acid 3: alditol 4: osazone 5: Kiliani-Fischer Synthesis 6: xylitol匹配题

A

modified sugar with a single terminal carboxylic acid

B

modified carbohydrate with two C=N-NHR groups

C

makes a carbohydrate with a single carbon shorter chain

D

a carboxylic acid used for melting points

E

a polyalcohol used as an energy storage compound

F

makes a carbohydrate with an extra carbon in the chain

G

a modified sugar with an imine

H

the highest numbered stereocenter

I

reduced sugar with no carbonyl

J

a modified sugar with no alcohols

K

a poly alcohol used as a sweetner

L

modified sugar with terminal dicarboxylic acids

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类似问题

During chemical modification of starches, the ______________ groups can be replaced with bulkier groups, which in turn will reduce the formation of gels, disallowing the chains to come together, if gel formation is undesirable for certain products.

Which carbon in this molecule is the anomeric carbon? (Indicate by the appropriate letter.)

1. Carbohydrates are complex chemical compounds built exclusively from 3 elements: carbon (C), oxygen (O), and hydrogen (H)

Determine if each of the following is True or False:   True Acetals of sugars only open to carbonyls in acidic conditions so are non-reducing. True Hemiacetals and acetals are more reactive in acidic conditions than alcohols or ethers. True It is possible to selectively form or break bonds at the anomeric carbon vs. other carbons in a carbohydrate. True Reactions in basic conditions will tend to keep the stereochemistry of the anomer, while reactions in acidic conditions will tend to mix the stereochemistry of the anomer. True Alcohols in carbohydrates form ethers analogously to simple alcohols. False Reducing sugars are always ketoses.

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