chemistry

RU-28251

RU-28251 is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand RU-28251 rather than just read about it. In short: RU-28251, also known as 4,α-methylene-N,N-dipropyltryptamine (4,α-methylene-DPT), is a tricyclic cyclized tryptamine and simplified or partial ergoline. It is a dopamine D2-like receptor agonist and shows affinity for the serotonin 5-HT1 and 5-HT2 receptors (IC50Tooltip half-maximal inhibitory concentration = 141 nM and 723 nM, respectively).

Key takeaways

RU-28251 belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect RU-28251 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of RU-28251 from memory before moving on to harder problems.

Reference excerpt

RU-28251, also known as 4,α-methylene-N,N-dipropyltryptamine (4,α-methylene-DPT), is a tricyclic cyclized tryptamine and simplified or partial ergoline. It is a dopamine D2-like receptor agonist and shows affinity for the serotonin 5-HT1 and 5-HT2 receptors (IC50Tooltip half-maximal inhibitory concentration = 141 nM and 723 nM, respectively). The drug inhibits prolactin secretion in animals. The chemical synthesis of RU-28251 has been described. RU-28251 was first described in the scientific literature by 1978.

See also Partial ergoline Bay R 1531 (LY-197206) LY-293284 LY-178210 RU-27849 RU-28306

References

Illustrations

Worked examples

Example 1 — a first encounter with RU-28251

Start with the simplest possible case. Write down what RU-28251 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to RU-28251 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about RU-28251 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of RU-28251

In research: RU-28251 appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses RU-28251 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: RU-28251 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alpha-Alkyltryptamines, D2 receptor agonists, Dipropylamino compounds, so understanding it makes those chapters shorter.
In everyday life: Look for RU-28251 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study RU-28251 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what RU-28251 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain RU-28251 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is RU-28251 in simple terms?

Why does RU-28251 matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study RU-28251?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on RU-28251.