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The pyranose ring is formed by the reaction of the hydroxyl group on carbon 5 (C-5) of a sugar with the aldehyde at carbon 1. This forms an intramolecular hemiacetal . If reaction is between the C-4 hydroxyl and the aldehyde, a furanose is formed instead. [ 1 ]
A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s). [1] Heterocyclic organic chemistry is the branch of organic chemistry dealing with the synthesis, properties, and applications of organic heterocycles .
Compounds containing rings with five atoms in them. ... Thiazoles (5 C, 126 P) Thiazolidines (1 C, 25 P) Thiazolines (1 C, 10 P) Thiolanes (8 P) Thiophenes (4 C, 130 P)
The chemical structure of ribose in its furanose form. The wavy bond indicates a mixture of β-ribofuranose and α-ribofuranose. The furanose ring is a cyclic hemiacetal of an aldopentose or a cyclic hemiketal of a ketohexose.
In organic chemistry, a hemiacetal is a functional group the general formula R 1 R 2 C(OH)OR, where R 1, R 2 is a hydrogen atom or an organic substituent. They generally result from the nucleophilic addition of an alcohol (a compound with at least one hydroxy group ) to an aldehyde ( R−CH=O ) or a ketone ( R 2 C=O ) under acidic conditions.
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To make this 20-minute vegan curry even faster, buy precut veggies from the salad bar at the grocery store. To make it a full, satisfying dinner, serve over cooked brown rice.
Pages in category "Heterocyclic compounds with 5 rings" The following 108 pages are in this category, out of 108 total. This list may not reflect recent changes .