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why glyceraldehyde does not have cyclic form
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Topic: why glyceraldehyde does not have cyclic form (Read 8150 times)
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kimchi521
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why glyceraldehyde does not have cyclic form
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on:
March 25, 2010, 11:35:35 PM »
why glyceraldehyde does not have cyclic form? while tetroses with only one more carbon atom form a ring readily.
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Schrödinger
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Re: why glyceraldehyde does not have cyclic form
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Reply #1 on:
March 26, 2010, 12:29:10 AM »
Glyceraldyhyde is a 3 carbon chain. If you attempt to form a ring using the OH on the 2nd carbon, you will get a 3-membered ring, which is highly strained.
Moreover, formation of the ring is improbable due to the orientation of the OH group...its quite far away from the 1st carbon.
See
http://en.wikipedia.org/wiki/Glyceraldehyde
for structure.
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why glyceraldehyde does not have cyclic form