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WikiCards · Card list · Science cards · Anomeric effect
Common card · Science
Anomeric effect, a Common card
In organic chemistry, the anomeric effect or Edward-Lemieux effect is a stereoelectronic effect describing the tendency for vicinal heteroatomic substituents of a cyclic heteroatom – e.g., oxygen in a tetrahydropyran ring – to assume the relative axial orientation, rather than a less sterically-hindered equatorial…
- Rarity
- Common
- Domain
- Science
- ATK
- 64
- DEF
- 61
- Power
- 125
- Wikipedia reads a year
- 13,000
Ranked #2,391 of the 3,000 cards of the base set by power (ATK + DEF).
Anomeric effect quiz: 3 questions
Three questions on the Anomeric effect card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
This effect was first observed in pyranose rings by J. T. Edward in 1955, while studying ______ chemistry.
Answer
carbohydrate. This effect was first observed in pyranose rings by J. T. Edward in 1955, while studying carbohydrate chemistry. From the Anomeric effect article on Wikipedia.
In which decade?
The term "anomeric effect" gained common usage by ____, derived from the stereochemical designation for the lowest-numbered ring-carbon of a pyranose ring – the anomeric carbon.
Answer
1950s. The term "anomeric effect" gained common usage by 1958, derived from the stereochemical designation for the lowest-numbered ring-carbon of a pyranose ring – the anomeric carbon. From the Anomeric effect article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Sodium polyacrylate. Sodium polyacrylate 71 · Asparagine 67 · Anomeric effect 64 · 66391 Moshup 61 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- This effect was first observed in pyranose rings by J. T. Edward in 1955, while studying carbohydrate chemistry.
- The term "anomeric effect" gained common usage by 1958, derived from the stereochemical designation for the lowest-numbered ring-carbon of a pyranose ring – the anomeric carbon.
- Anomeric molecules are isomers differing only in their configuration at the anomeric carbon, D-glucopyranose anomers are diastereomers, where the β-anomer is oriented such that the hydroxyl group is pointed upwards equatorially, while the α-anomer hydroxyl points downward axially.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Anomeric effect article was read about 13,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 64 and blocks with 61: each hit it takes is cut by 24 %.
How to get Anomeric effect
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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Credits
Text : Wikipedia, Anomeric effect (revision), CC BY-SA 4.0. Photo : Kmk982013, CC BY-SA 3.0, Wikimedia Commons.
