Haworth projection
E695648
A Haworth projection is a common way of drawing cyclic sugars that represents the three-dimensional arrangement of atoms in a planar ring form.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Haworth projection canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7803579 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Haworth projection Context triple: [Fischer projection, relatedTo, Haworth projection]
-
A.
Fischer projection
The Fischer projection is a two-dimensional representation used in organic chemistry to depict the three-dimensional stereochemistry of molecules, especially carbohydrates and amino acids.
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B.
Lewis structures
Lewis structures are diagrams in chemistry that represent the bonding between atoms and the distribution of valence electrons in molecules and ions.
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C.
Eschenmoser
Eschenmoser is a Swiss surname most notably associated with Albert Eschenmoser, a prominent organic chemist known for his pioneering work in the synthesis of complex natural products and studies on the origin of life.
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D.
Sawhorse
Sawhorse is a magically animated wooden horse from L. Frank Baum’s Oz series, serving as a loyal but stiff and speedy steed for characters like Tip and the Scarecrow.
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E.
Lambert conformal conic projection
The Lambert conformal conic projection is a map projection that preserves local shapes and angles, commonly used for aeronautical charts and regional maps in mid-latitude areas.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Haworth projection Target entity description: A Haworth projection is a common way of drawing cyclic sugars that represents the three-dimensional arrangement of atoms in a planar ring form.
-
A.
Fischer projection
The Fischer projection is a two-dimensional representation used in organic chemistry to depict the three-dimensional stereochemistry of molecules, especially carbohydrates and amino acids.
-
B.
Lewis structures
Lewis structures are diagrams in chemistry that represent the bonding between atoms and the distribution of valence electrons in molecules and ions.
-
C.
Eschenmoser
Eschenmoser is a Swiss surname most notably associated with Albert Eschenmoser, a prominent organic chemist known for his pioneering work in the synthesis of complex natural products and studies on the origin of life.
-
D.
Sawhorse
Sawhorse is a magically animated wooden horse from L. Frank Baum’s Oz series, serving as a loyal but stiff and speedy steed for characters like Tip and the Scarecrow.
-
E.
Lambert conformal conic projection
The Lambert conformal conic projection is a map projection that preserves local shapes and angles, commonly used for aeronautical charts and regional maps in mid-latitude areas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
chemical notation
ⓘ
structural formula representation ⓘ |
| appliesTo |
D-fructose
ⓘ
D-glucose ⓘ deoxyribose ⓘ galactose ⓘ lactose ⓘ maltose ⓘ ribose ⓘ sucrose ⓘ |
| assumes | planar ring geometry for depiction ⓘ |
| category |
carbohydrate structural representation
ⓘ
chemical nomenclature and structure representation ⓘ |
| contrastsWith |
Fischer projection
ⓘ
chair conformation representation ⓘ |
| developedIn | early 20th century ⓘ |
| field |
biochemistry
ⓘ
carbohydrate chemistry ⓘ organic chemistry ⓘ |
| hasConvention |
anomeric carbon placed to the right of ring oxygen
ⓘ
heavier line for bonds closer to viewer ⓘ oxygen atom typically placed at upper right of ring ⓘ ring drawn as planar polygon ⓘ substituents drawn above or below ring plane ⓘ |
| namedAfter | Walter Norman Haworth ⓘ |
| relatedTo |
Fischer–Haworth conversion
ⓘ
Newman projection ⓘ
linked to:
sawhorse projection
sawhorse projection ⓘ |
| represents |
anomeric configuration of sugars
ⓘ
cyclic hemiacetal forms of sugars ⓘ furanose forms of sugars ⓘ pyranose forms of sugars ⓘ three-dimensional arrangement of atoms in a planar ring form ⓘ |
| shows |
alpha and beta anomers of carbohydrates
ⓘ
configuration at the anomeric carbon ⓘ relative positions of substituents above and below the ring plane ⓘ stereochemistry at chiral centers in the ring ⓘ |
| simplifies |
representation of cyclic structures for teaching
ⓘ
three-dimensional chair conformations ⓘ |
| usedBy |
biochemists
ⓘ
chemists ⓘ students of chemistry ⓘ |
| usedFor |
depicting monosaccharide ring forms
ⓘ
illustrating carbohydrate stereochemistry ⓘ representing cyclic sugars ⓘ |
| usedIn |
biochemistry education
ⓘ
organic chemistry education ⓘ textbook illustrations of carbohydrates ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Haworth projection Description of subject: A Haworth projection is a common way of drawing cyclic sugars that represents the three-dimensional arrangement of atoms in a planar ring form.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.